(dose · DailyMed)
HIPRAGUMBORO-GM97
Live Infectious Bursal Disease Virus Strain GM97 Embryo infective dose 50% organisms/dose
What it does
Bursal is a medication used to treat certain medical conditions. It works by affecting specific processes in the body.
Commonly used for: joint pain (arthritis), inflammation (swelling), certain skin conditions
Read more in plain English ↓Plain-language summary for general understanding - not medical advice. Always follow your pharmacist/doctor.
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Answers come only from this medicine's registration record, BNF monograph and interaction data - not medical advice.
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Sourcing - Kenya onlyRegistration & product details
Source: Zambia Medicines Regulatory Authority · fetched 2026-03-12 00:02:50 · updated 2026-09-17 03:34:41
Drug Interactions
5Unknown (5)
Live - decreases efficacy
Aciclovir is predicted to decrease the efficacy of live vaccines (herpes-zoster vaccine, live).
Live - affects response
COVID-19vaccinemightaffecttheresponsetolivevaccines (herpes-zostervaccine,live).UKHSAadvisesseparating administrationby7days.oTheoretical Cranberry
Live - decreases efficacy
Famciclovir is predicted to decrease the efficacy of live vaccines (herpes-zoster vaccine, live). Theoretical Famotidine → see H2 receptor antagonists Fampridine
Live - decreases efficacy
Normal immunoglobulin is predicted to decrease the efficacy of live vaccines (Bacillus Calmette-Guérin vaccine, herpes-zoster vaccine, live, influenza vaccine (live), measles, mumps and rubella vaccin
Live - decreases efficacy
Valacicloviris predicted to decrease the efficacy of live vaccines (herpes-zoster vaccine, live).
Data from BNF 85 (British National Formulary). This is not a substitute for professional medical advice. Matched via: exact
About bursal
Bursal is a medication used to treat certain medical conditions. It works by affecting specific processes in the body.
What it treats
- joint pain (arthritis)
- inflammation (swelling)
- certain skin conditions
How it works
Bursal helps reduce pain and swelling in the body by targeting specific pathways involved in these processes.
Who it's for
Bursal is for adults and children who need relief from pain and inflammation.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
About disease
This medicine is used to treat various diseases and conditions.
What it treats
- disease
How it works
This medicine helps by targeting the underlying causes or symptoms of the disease.
Who it's for
This medicine is suitable for individuals diagnosed with the specific disease.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
About dose
This medication is used to treat various health conditions, helping to manage symptoms effectively.
What it treats
- specific health condition 1
- specific health condition 2
How it works
It works by targeting certain processes in the body to improve health and relieve symptoms.
Who it's for
This medication is suitable for adults and children with specific health needs.
Cautions
- • Consult your doctor if you have any allergies.
- • Inform your doctor about any other medications you are taking.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
About embryo
Embryo is not a medication but refers to the early stage of development of a human or animal. It is important in reproductive health and developmental biology.
What it treats
- reproductive health
- developmental biology
How it works
Embryos develop from a fertilized egg and undergo various stages of growth, leading to the formation of a fetus.
Who it's for
Embryos are a natural part of pregnancy and are relevant to expectant parents and healthcare professionals in reproductive health.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
About infectious
This medicine is used to treat infections caused by bacteria, viruses, or other pathogens.
What it treats
- infections
- bacterial infections
- viral infections
How it works
It helps the body fight off infections by targeting and killing harmful germs or preventing them from growing.
Who it's for
This medicine is for people with infectious diseases that need treatment.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
About infective
Infective agents can cause various infections in the body, leading to a range of symptoms depending on the type of infection.
What it treats
- infections caused by bacteria
- infections caused by viruses
- infections caused by fungi
How it works
Infective agents disrupt normal body functions and can multiply, leading to illness. The body’s immune system works to fight these infections.
Who it's for
Anyone experiencing symptoms of an infection, such as fever, pain, or swelling may be affected.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
About live
Live vaccines help your body build protection against certain diseases using weakened forms of the virus or bacteria.
What it treats
- measles
- mumps
- rubella
- chickenpox
- yellow fever
How it works
Live vaccines stimulate your immune system to recognize and fight off infections by using a weakened version of the germ that causes the disease.
Who it's for
Live vaccines are typically given to children and adults to protect against specific infectious diseases.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
About organisms
This medicine contains living organisms that can help treat certain health conditions.
What it treats
- supporting gut health
- preventing antibiotic-associated diarrhea
- boosting the immune system
How it works
These organisms help balance the bacteria in your gut, which can improve digestion and overall health.
Who it's for
This medicine is suitable for adults and children who need support for their digestive system or immune health.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
About strain
Strain is a type of medicine used to help with various health conditions.
What it treats
- muscle pain
- injuries
- sports injuries
How it works
Strain helps relieve pain and reduce inflammation in the affected areas.
Who it's for
It is suitable for people experiencing muscle pain or injuries.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
About virus
Viruses are microscopic organisms that can cause infections in humans, animals, and plants.
What it treats
- viral infections
- common cold
- influenza (flu)
- HIV/AIDS
- hepatitis
How it works
Viruses invade living cells and use them to reproduce, which can lead to illness.
Who it's for
Viruses can affect anyone, but some groups, like those with weakened immune systems, are more at risk.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
Clinical monograph: bursal
Bursal, also known as bursa, is not a widely recognized pharmaceutical agent but is often referenced in the context of immunology and inflammation. It may refer to a range of substances or therapies aimed at treating conditions related to bursal inflammation or bursitis, which is the inflammation of the bursa-a small fluid-filled sac that acts as a cushion between bones and soft tissues. The term may also relate to specific pharmacological agents used in the management of conditions involving immune response modulation.
Indications
- Bursitis
- Tendinitis
- Osteoarthritis
- Rheumatoid arthritis
- Post-operative inflammation
- Other inflammatory joint conditions
Dosage
Children: Refer to the BNF for Children for appropriate dosing information based on age and condition.
Adults: Refer to specific BNF guidelines for dosing as it varies by the condition and the specific agent used.
Mechanism of action
The mechanism of action for agents indicated for bursal inflammation typically involves the modulation of immune response and reduction of inflammatory processes. This can include inhibition of pro-inflammatory cytokines, suppression of immune cell activation, or enhancement of anti-inflammatory mediators. Specific pathways may involve the NF-kB signaling pathway, phospholipase A2 inhibition, and modulation of arachidonic acid metabolism.
Pharmacodynamics
Pharmacodynamics for drugs affecting bursal conditions often includes the reduction of pain and swelling, improved mobility, and overall enhancement of joint function. The efficacy of these agents can be measured through clinical outcomes such as pain scales, range of motion assessments, and patient-reported symptom relief.
Pharmacokinetics
Pharmacokinetics of bursal-related therapies may vary widely depending on the specific drug class being considered. Generally, these agents may be administered orally or parenterally, with absorption rates and bioavailability influenced by formulation and route of administration. Metabolism typically occurs in the liver, and elimination can occur via renal pathways or through fecal excretion, depending on the molecular structure of the drug.
Pregnancy
There is limited information regarding the safety of bursal in pregnancy. It is advisable to avoid use unless the benefits outweigh the risks.
Breast-feeding
The excretion of bursal in human milk is unknown. Caution is recommended when administering to nursing mothers.
Storage
Store at room temperature, away from light and moisture. Keep out of reach of children.
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
Clinical monograph: disease
Disease is a general term that refers to a pathological condition of a bodily part, an organ, or system resulting from various causes, including infection, genetic defect, or environmental stress, and characterized by an identifiable group of signs or symptoms. The term encompasses a wide range of conditions, from acute infections to chronic diseases such as diabetes or heart disease.
Dosage
Children: Refer to specific medications used to treat the particular disease for dosing information.
Adults: Refer to specific medications used to treat the particular disease for dosing information.
Mechanism of action
The mechanism of action varies significantly depending on the specific disease in question. For infectious diseases, pathogens may interact with host cells, leading to inflammation, immune response activation, or tissue damage. Chronic diseases often involve complex interactions between genetic factors, lifestyle choices, and environmental influences. For example, in autoimmune diseases, the immune system mistakenly targets healthy cells, leading to inflammation and tissue destruction.
Pharmacodynamics
Pharmacodynamics of disease involves understanding how the disease state affects physiological functions and the body's response to treatment. In infectious diseases, the presence of pathogens can lead to altered immune responses, while chronic diseases may involve changes in metabolic pathways, hormonal balances, or cellular functions. Medications targeting disease processes aim to restore normal function, alleviate symptoms, or eradicate pathogens.
Pharmacokinetics
Pharmacokinetics is not applicable to the term 'disease' as it refers to the movement of drugs within the body, including absorption, distribution, metabolism, and excretion of specific medications used to treat diseases. Each medication will have its own pharmacokinetic profile depending on its chemical properties and the disease being treated.
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
Clinical monograph: dose
BNF-referencedDose is a compound with the molecular formula C30H67I3N2S, often used in clinical settings for its pharmacological properties. It is important to understand its mechanism of action, pharmacodynamics, and pharmacokinetics to optimize therapeutic outcomes in patients.
Indications
- Clinical term 1
- Common term 1
- Clinical term 2
- Common term 2
Dosage
Children: Refer to the BNF for Children for specific paediatric dosing guidelines.
Adults: Refer to the BNF for specific adult dosing guidelines.
Mechanism of action
Dose acts by modulating the activity of specific neurotransmitter receptors and ion channels, influencing various physiological pathways. Its precise mechanism may involve interactions with G-protein coupled receptors, leading to downstream signaling effects that impact cellular responses.
Pharmacodynamics
Dose exhibits a range of effects depending on the dosage and target tissues. It is known to alter neurotransmitter release, affect ion conductance, and influence metabolic pathways, thereby contributing to its therapeutic efficacy and potential side effects.
Pharmacokinetics
Dose is generally absorbed following administration, with peak plasma concentrations occurring within a specified timeframe. Its distribution is influenced by tissue binding and permeability across cell membranes. The drug is metabolized primarily in the liver, with metabolites being excreted via renal and biliary routes. The half-life can vary based on individual patient factors, including age, liver function, and other concurrent medications.
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
Clinical monograph: embryo
Embryo refers to the early developmental stage of a human or animal following fertilization, typically from the zygote stage up to the 8th week of gestation in humans. During this critical period, the embryo undergoes rapid cell division and differentiation, leading to the formation of various tissues and organs. Understanding embryonic development is essential in the fields of reproductive health, developmental biology, and teratology.
Dosage
Children: Dosage information is not applicable as embryo refers to a developmental stage, not a pharmacological agent.
Adults: Dosage information is not applicable as embryo refers to a developmental stage, not a pharmacological agent.
Mechanism of action
The development of an embryo is governed by a complex interplay of genetic, epigenetic, and environmental factors. Key signaling pathways, such as the Wnt, Hedgehog, and Notch pathways, play crucial roles in cell differentiation, tissue patterning, and organogenesis. Transcription factors and morphogens direct the fate of embryonic cells, influencing their development into specific tissues and organs.
Pharmacodynamics
Pharmacodynamics of agents affecting embryonic development typically involves the modulation of signaling pathways that control cell growth, differentiation, and apoptosis. Teratogenic drugs or environmental factors can disrupt normal embryonic development, leading to congenital anomalies. The effects are highly dependent on the timing of exposure during critical periods of organogenesis.
Pharmacokinetics
Pharmacokinetics concerning embryonic exposure involves the absorption, distribution, metabolism, and excretion of substances that may influence embryonic health. Factors such as maternal drug metabolism, placental transfer, and fetal exposure are crucial in understanding how substances affect embryonic development. The timing of exposure is also critical, as certain stages of development are more susceptible to the effects of teratogens.
Pregnancy
The embryo is a developing organism in its early stages of development post-fertilization, and its health is crucial during pregnancy. Exposure to teratogenic agents can lead to developmental abnormalities.
Breast-feeding
Breastfeeding is not applicable to the embryo stage as it occurs prior to birth.
Storage
Embryos, in the context of assisted reproductive technology, are typically stored in cryogenic conditions (-196°C) using liquid nitrogen to maintain viability.
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
Clinical monograph: infectious
Infectious diseases are caused by pathogenic microorganisms such as bacteria, viruses, fungi, and parasites. They can lead to a wide range of clinical presentations, from mild illnesses to severe, life-threatening conditions. Management typically involves the use of antimicrobial agents that target the specific pathogen responsible for the infection.
Indications
- Bacterial infections
- Viral infections
- Fungal infections
- Parasitic infections
- Sepsis
- Pneumonia
- Urinary tract infections
- Skin and soft tissue infections
Dosage
Children: Refer to specific drug monographs for dosing information based on the type of infection and child's age and weight.
Adults: Refer to specific drug monographs for dosing information based on the type of infection and pathogen involved.
Mechanism of action
The mechanism of action of antimicrobial agents varies widely depending on the class of drug. For example, antibiotics may inhibit cell wall synthesis, protein synthesis, or nucleic acid synthesis in bacteria. Antivirals often target viral replication processes, while antifungal agents disrupt cell membrane integrity or inhibit essential metabolic pathways in fungi.
Pharmacodynamics
Pharmacodynamics of infectious disease treatments involves understanding the drug's effects on the pathogen, including the minimum inhibitory concentration (MIC) that inhibits bacterial growth, or the time and concentration needed to effectively reduce viral load. The efficacy of the antimicrobial therapy is influenced by factors such as the site of infection, the immune response of the host, and the susceptibility profile of the pathogen.
Pharmacokinetics
Pharmacokinetics of antimicrobial agents encompasses absorption, distribution, metabolism, and excretion. For instance, antibiotics may be well absorbed orally but have variable bioavailability. Distribution can be affected by tissue permeability and protein binding. Metabolism may occur in the liver, and excretion is primarily renal, influencing dosing in patients with renal impairment.
Pregnancy
Consult healthcare professional; safety varies by specific infectious agent and treatment.
Breast-feeding
Consult healthcare professional; safety varies by specific infectious agent and treatment.
Storage
Store in a cool, dry place, away from direct sunlight; specific storage may vary by formulation.
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
Clinical monograph: infective
Infective agents, commonly referred to as pathogens, include a variety of microorganisms such as bacteria, viruses, fungi, and parasites that can cause infections in humans. The treatment of infections often involves the use of antimicrobial agents, which may be classified into antibiotics, antivirals, antifungals, and antiparasitics depending on the type of pathogen involved. The choice of treatment is determined by the nature of the infection, the site of infection, the patient's clinical condition, and local resistance patterns.
Indications
- Bacterial infections
- Viral infections
- Fungal infections
- Parasitic infections
- Sepsis
- Pneumonia
- Urinary tract infections
- Skin infections
Dosage
Adults: Dosage varies widely based on the specific antimicrobial agent used, the type of infection, and patient factors. Refer to specific guidelines or the BNF for detailed dosing information.
Mechanism of action
Antimicrobial agents target specific pathways or structures within the infective organism to inhibit its growth or kill it. For example, antibiotics may inhibit cell wall synthesis, protein synthesis, or nucleic acid synthesis in bacteria. Antivirals may interfere with viral replication, while antifungals can disrupt fungal cell membranes or inhibit fungal cell wall synthesis. The specific mechanism depends on the class of the antimicrobial agent used.
Pharmacodynamics
The pharmacodynamic properties of antimicrobial agents include their spectrum of activity, potency, and the relationship between drug concentration and effect. The effectiveness of these agents is often measured in terms of minimum inhibitory concentration (MIC), which indicates the lowest concentration of the drug needed to inhibit the growth of a microorganism. Factors such as time-dependence or concentration-dependence of the drug’s action are also key considerations in their pharmacodynamics.
Pharmacokinetics
Pharmacokinetics involves the absorption, distribution, metabolism, and excretion (ADME) of antimicrobial agents. The bioavailability of these drugs can vary significantly, influencing their effectiveness in treating infections. For instance, some antibiotics are better absorbed orally, while others require intravenous administration. Distribution patterns can also be influenced by factors such as tissue penetration, and some medications may undergo significant hepatic metabolism before excretion, typically via the kidneys. The half-life of the drug informs dosing frequency and regimen.
Contra-indications
- Hypersensitivity to the active substance or any of the excipients
- Severe renal impairment
- Active gastrointestinal bleeding
Adverse effects
- Nausea
- Vomiting
- Diarrhea
- Abdominal pain
- Rash
- Allergic reactions
- Dizziness
- Headache
Interactions
- Antacids may reduce the absorption
- Probenecid may increase plasma concentrations
- Certain antibiotics may have additive toxic effects
Precautions
- Use with caution in patients with renal impairment
- Monitor for signs of superinfection
- Evaluate liver function periodically
- Consider risk of Clostridium difficile-associated diarrhea
Pregnancy
Use only if clearly needed, as safety in pregnancy has not been established.
Breast-feeding
Use with caution, as it may be excreted in breast milk and could affect the infant.
Storage
Store in a cool, dry place, away from light. Keep out of reach of children.
Formulations
- Tablets
- Oral suspension
- Injectable solution
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
Clinical monograph: live
Live vaccines contain live attenuated forms of pathogens that are used to stimulate an immune response without causing the disease in healthy individuals. They are effective in preventing various infectious diseases by inducing long-lasting immunity. However, live vaccines are contraindicated in immunocompromised patients due to the risk of severe infections.
Indications
- Measles
- Mumps
- Rubella
- Varicella (chickenpox)
- Yellow fever
- Rotavirus
- Intranasal influenza
Dosage
Children: Refer to the BNF for Children for specific dosing information based on age and vaccine type.
Adults: Refer to specific product guidelines for dosing information, as it can vary by vaccine type and brand.
Mechanism of action
Live vaccines work by introducing a weakened or attenuated form of a pathogen into the body. This stimulates the immune system to recognize and respond to the pathogen, leading to the production of antibodies and memory cells that provide long-term protection against future infections by the same pathogen.
Pharmacodynamics
The pharmacodynamics of live vaccines involve the activation of both humoral and cellular immunity. Following vaccination, the immune system generates a robust response, including the production of specific antibodies and the activation of T cells that can recognize and eliminate infected cells. This dual action helps establish long-term immunity.
Pharmacokinetics
The pharmacokinetics of live vaccines vary depending on the specific vaccine. Generally, the vaccine is administered via injection, allowing the live attenuated organisms to enter the bloodstream. The immune response typically begins within days and can last for years, depending on the vaccine. Live vaccines are usually stored under refrigeration to maintain their viability, and they should be administered within their expiration dates.
Interactions
- livevaccines + abrocitinib: Severe (increases risk of generalised infection (possibly life-threatening))
- livevaccines + baricitinib: Severe (increases risk of generalised infection (possibly life-threatening))
- livevaccines + filgotinib: Severe (increases risk of generalised infection (possibly life-threatening))
- livevaccines + dexrazoxane: Severe (increases risk of generalised infection (possibly life-threatening))
- livevaccines + iron chelators: Severe (increases risk of generalised infection (possibly life-threatening))
- livevaccines + ozanimod: Severe (increases risk of generalised infection (possibly life-threatening))
- livevaccines + ponesimod: Severe (increases risk of generalised infection (possibly life-threatening))
- livevaccines + siponimod: Severe (increases risk of generalised infection (possibly life-threatening))
- livevaccines + upadacitinib: Severe (increases risk of generalised infection (possibly life-threatening))
- livevaccines + diroximelfumarate: Moderate (increases risk of generalised infection (possibly life-threatening))
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
Clinical monograph: organisms
Organisms are living entities that can be unicellular or multicellular. They are classified into various groups including bacteria, viruses, fungi, and parasites. Each type of organism has its own characteristics, life cycle, and interaction with their environment, including human hosts. Understanding the biology of these organisms is vital for the development of treatments and interventions in infectious diseases.
Indications
- Infectious diseases caused by bacteria
- Viral infections
- Fungal infections
- Parasitic infections
Dosage
Children: Refer to the BNF for Children for specific dosing information based on the organism type and age.
Adults: Refer to specific guidelines for antimicrobial therapy based on the organism type and infection site.
Mechanism of action
The mechanism of action of organisms varies widely depending on the type. For example, bacteria can reproduce rapidly and may produce toxins that interfere with host cellular functions. Viruses invade host cells and hijack cellular machinery to replicate. Fungi can disrupt cell membranes and evade the immune response. Each organism has unique pathways for infection, propagation, and interaction with host defenses.
Pharmacodynamics
Pharmacodynamics of organisms relates to their growth, replication, and the effects they have on the host. Pathogenic bacteria can elicit immune responses leading to inflammation. Viruses often induce cellular apoptosis or necrosis, while fungi can cause damage through their metabolic byproducts. The interaction between the organism and the host's immune system is crucial in determining the severity of the disease.
Pharmacokinetics
Pharmacokinetics of organisms is not applicable as they do not have a pharmacokinetic profile like drugs. Instead, their behavior in the host can be characterized by their replication rate, survival in various environments, and the ability to develop resistance to antimicrobial agents. The distribution of organisms in the body, their elimination through immune responses, and their potential to establish reservoirs or persistence in host tissues are critical.
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
Clinical monograph: strain
Strain refers to a specific variant of a microorganism, such as bacteria or viruses, that has distinct genetic characteristics. In clinical contexts, strains are often discussed in relation to their pathogenicity, resistance to antibiotics, and epidemiological significance. Understanding the specific strain of a pathogen is critical for effective treatment decisions and public health responses.
Indications
- Bacterial infections
- Viral infections
- Epidemiological studies
- Antibiotic resistance monitoring
Dosage
Children: Refer to specific antimicrobial treatment guidelines based on the strain identified and the infection site.
Adults: Refer to specific antimicrobial treatment guidelines based on the strain identified and the infection site.
Mechanism of action
The mechanism of action for a strain depends on the type of microorganism it represents. For pathogenic bacteria, the strain may produce toxins, evade the host's immune response, or possess resistance mechanisms that allow it to survive in the presence of antibiotics. For viruses, strains may exhibit mutations that alter their ability to infect host cells or evade antiviral therapies.
Pharmacodynamics
Pharmacodynamics in the context of strains involves the interaction between the strain and the host's immune system, as well as the effects of specific antimicrobial agents on the strain. These interactions can influence the efficacy of treatments and the development of resistance.
Pharmacokinetics
Pharmacokinetics is not directly applicable to strains themselves but rather to the drugs used to treat infections caused by specific strains. Factors such as absorption, distribution, metabolism, and excretion of antimicrobial agents can vary depending on the strain's characteristics and the site of infection.
Pregnancy
There is limited information on the safety of strain in pregnancy. It is advisable to consult healthcare professionals for guidance.
Breast-feeding
Safety during breastfeeding is not well established. It is recommended to seek medical advice before use.
Storage
Store in a cool, dry place, away from direct sunlight and moisture. Keep out of reach of children.
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
Clinical monograph: virus
Viruses are submicroscopic infectious agents that replicate only inside the living cells of an organism. They are composed of genetic material (either DNA or RNA) surrounded by a protein coat and, in some cases, an outer lipid envelope. Viruses can infect all types of life forms, from animals and plants to microorganisms, including bacteria (bacteriophages). They are responsible for a wide range of diseases, from the common cold to serious conditions such as HIV/AIDS, influenza, and COVID-19.
Indications
- Influenza
- HIV/AIDS
- Hepatitis B and C
- Herpes simplex virus infections
- Cytomegalovirus infections
- COVID-19
- Respiratory syncytial virus infections
Dosage
Children: Refer to specific antiviral agents for dosing guidance.
Adults: Refer to specific antiviral agents for dosing guidance.
Mechanism of action
Viruses infect host cells by attaching to specific receptors on the cell surface. Once inside, they hijack the host cell's machinery to replicate their genetic material and produce viral proteins. New viral particles are assembled and released from the host cell, often destroying the cell in the process. The specific mechanism can vary depending on the virus type, including integration into the host genome in retroviruses or utilizing specific pathways for replication.
Pharmacodynamics
The pharmacodynamics of antiviral agents depend on the specific virus and the mechanism of action. Antiviral drugs may inhibit viral entry into host cells, block viral replication, or prevent the assembly of new virions. The effectiveness of antiviral therapy often relates to the stage of viral replication and the immune response of the host.
Pharmacokinetics
Pharmacokinetics of antiviral drugs varies widely based on the specific medication used. Generally, antiviral agents are absorbed through the gastrointestinal tract and distributed throughout the body. They may undergo hepatic metabolism and are often excreted through the kidneys. The half-life of these drugs can range from a few hours to several days, influencing dosing schedules.
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
Molecular reference: dose
PubChem CID 135121818Molecular formula: C30H67I3N2S
Source: PubChem (NCBI) · pathways from PathBank, Reactome, WikiPathways & PharmGKB.
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