Registered Malawi · PMRA

CO-EX COMBINATION PRODUCT SYRUP

ASPIDOSPERMA QUEBRACHO, IPECACUANHA, JUSTICIA ADHATODA, PASSIFLORA INCARNATA & YERBA SANTA

PMPB/PL446/3 SYRUP respiratory system

What it does

Ahdatoda is a herbal remedy often used for respiratory issues.

Commonly used for: cough, asthma, bronchitis

Read more in plain English ↓

Plain-language summary for general understanding - not medical advice. Always follow your pharmacist/doctor.

Ask about this medicine

Answers come only from this medicine's registration record, BNF monograph and interaction data - not medical advice.

Medicine sourcing is available in Kenya only. We don't sell or dispense medicines - licensed pharmacies do.

Sourcing - Kenya only

Registration & product details

Registration no.
PMPB/PL446/3
Registration date
17/04/2015
Expiry date
30/06/2020
Status
Registered
Active ingredient
ASPIDOSPERMA QUEBRACHO, IPECACUANHA, JUSTICIA ADHATODA, PASSIFLORA INCARNATA & YERBA SANTA
Dosage form
SYRUP
Strength
-
Pack size
-
Therapeutic class
-
ATC class (WHO)
R05CA - Expectorants
Drug group
RESPIRATORY SYSTEM
RxNorm RxCUI
5975
Manufacturer / MAH
-
Applicant / LTR
-
Country of origin
-

Source: Pharmacy and Medicines Regulatory Authority · fetched 2026-04-21 17:37:43 · updated 2026-09-29 04:33:05

Disclaimer: This information is sourced from Pharmacy and Medicines Regulatory Authority (Malawi). Always consult a qualified healthcare professional before using any medication.

About adhatoda

Ahdatoda is a herbal remedy often used for respiratory issues.

What it treats

  • cough
  • asthma
  • bronchitis

How it works

Ahdatoda helps to relax the airways and reduce coughing.

Who it's for

Suitable for adults and children experiencing respiratory problems.

AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.

About aspidosperma

Aspidosperma is a natural product derived from a tree that has been traditionally used for various health benefits.

What it treats

  • cough
  • respiratory conditions

How it works

Aspidosperma is thought to help clear mucus and ease breathing by relaxing the airways.

Who it's for

Aspidosperma may be used by adults and children with cough or respiratory issues.

AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.

About incarnata

Incarnata is a herbal remedy often used for its calming effects.

What it treats

  • anxiety
  • insomnia
  • nervousness

How it works

Incarnata is believed to help promote relaxation and improve sleep quality.

Who it's for

It is suitable for adults experiencing stress or sleep disturbances.

Cautions

  • • Consult a healthcare professional if you are pregnant or breastfeeding.
  • • May cause drowsiness; use caution when driving or operating machinery.

AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.

About ipecacuanha

Ipecacuanha is a natural medicine used to make you vomit in case of poisoning or overdose. It helps to remove harmful substances from the stomach.

What it treats

  • poisoning
  • overdose

How it works

Ipecacuanha works by stimulating the stomach to induce vomiting, helping to clear out toxins.

Who it's for

It is used for people who have ingested toxic substances or overdosed on certain medications.

Cautions

  • • Not recommended for use in all poisoning cases, especially if the person is unconscious or having seizures.
  • • Should not be used without medical advice.

AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.

About justicia

Justicia is a natural remedy that is often used in traditional medicine.

What it treats

  • inflammation
  • skin conditions
  • fever

How it works

Justicia is believed to have properties that help reduce inflammation and may support the body in fighting infections.

Who it's for

Justicia may be used by people seeking natural remedies for various mild ailments.

AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.

About passiflora

Passiflora is a natural remedy often used to help with anxiety and sleep problems.

What it treats

  • anxiety
  • insomnia
  • restlessness

How it works

Passiflora is thought to work by affecting certain chemicals in the brain that help regulate mood and sleep.

Who it's for

Passiflora is suitable for adults looking for a natural way to manage anxiety or improve sleep.

AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.

About quebracho

Quebracho is a natural substance that is sometimes used for various health purposes.

What it treats

  • cough relief
  • respiratory issues
  • asthma
  • bronchitis

How it works

Quebracho may help by soothing the airways and reducing coughing.

Who it's for

It may be suitable for individuals experiencing cough and respiratory problems.

AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.

About santa

Santa is a medication used to treat various health conditions.

How it works

The exact way Santa works is not specified, but it helps improve health.

Who it's for

Santa is suitable for people who need treatment for certain health issues.

AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.

About yerba

Yerba is a natural product often used for its potential health benefits, including boosting energy and supporting overall wellness.

What it treats

  • energy enhancement
  • wellness support

How it works

Yerba may help increase energy levels and improve focus due to its natural compounds.

Who it's for

Adults looking for a natural way to boost energy and support their health.

AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.

Clinical monograph: adhatoda

Adhatoda, commonly known as Adhatoda vasica, is a perennial shrub belonging to the family Acanthaceae. It has been traditionally used in Ayurvedic and folk medicine for its various therapeutic properties, particularly in respiratory and inflammatory conditions. The leaves of Adhatoda are rich in alkaloids, flavonoids, and other phytochemicals, which contribute to its pharmacological effects. It is often employed as an expectorant and is used to treat cough, bronchitis, asthma, and other respiratory disorders. Additionally, it has anti-inflammatory and antimicrobial properties.

Indications

  • Cough
  • Bronchitis
  • Asthma
  • Respiratory tract infections
  • Inflammatory conditions

Dosage

Children: Refer to established guidelines or consult a healthcare professional for appropriate dosing.

Adults: Refer to established guidelines or consult a healthcare professional for appropriate dosing.

Mechanism of action

The primary active components of Adhatoda, particularly vasicine and vasicinone, exhibit bronchodilator effects by relaxing the bronchial smooth muscles. They also act as mucolytics, facilitating the clearance of mucus from the respiratory tract. Furthermore, these compounds have been shown to exert anti-inflammatory effects by inhibiting the release of pro-inflammatory cytokines and mediators. This multi-faceted mechanism makes Adhatoda effective in alleviating symptoms associated with respiratory ailments.

Pharmacodynamics

Adhatoda demonstrates a range of pharmacodynamic effects, including bronchodilation, mucus secretion modulation, and anti-inflammatory action. The alkaloids enhance ciliary action in the respiratory tract, improving mucus clearance. The anti-inflammatory properties reduce airway inflammation, which is beneficial in conditions such as asthma and chronic bronchitis. Additionally, the antimicrobial activity of Adhatoda may help in preventing secondary infections in respiratory diseases.

Pharmacokinetics

The pharmacokinetics of Adhatoda have not been extensively studied. However, it is known that the active compounds are absorbed after oral administration, with effects typically observed within hours. The metabolic pathways of vasicine and other alkaloids involve hepatic metabolism, and they are likely excreted in urine. The bioavailability and half-life of these compounds require further investigation to establish precise pharmacokinetic profiles.

Adverse effects

  • Nausea
  • Vomiting
  • Diarrhea
  • Dizziness
  • Headache
  • Skin rash

Interactions

  • May interact with anticoagulants, increasing the risk of bleeding
  • Potential interaction with antihypertensive medications

Precautions

  • Use with caution in patients with a history of gastrointestinal disorders
  • Should be used cautiously in patients with liver disease
  • Monitor for potential allergic reactions

Pregnancy

Ahdatoda should be used cautiously during pregnancy. Consultation with a healthcare provider is recommended.

Breast-feeding

Safety during breastfeeding has not been established; consult a healthcare provider.

Storage

Store in a cool, dry place away from direct sunlight. Keep out of reach of children.

Formulations

  • Dried leaves
  • Powdered form
  • Extracts

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: aspidosperma

Aspidosperma is a genus of flowering plants in the family Apocynaceae, with species such as Aspidosperma quebracho-blanco known for their medicinal properties, particularly as sources of alkaloids with potential therapeutic effects. Traditionally, it has been used for its respiratory and stimulatory effects, particularly in the treatment of bronchitis and as a cough suppressant.

Indications

  • Bronchitis
  • Cough relief
  • Respiratory stimulation
  • Bronchial asthma (adjunct treatment)

Dosage

Children: Dosage must be determined based on the child's age, weight, and specific clinical condition. Consult pediatric dosing guidelines or a healthcare professional for appropriate dosing.

Adults: Dosage varies depending on the specific formulation and indication. Refer to relevant medical guidelines or literature for specific dosing recommendations.

Mechanism of action

The active compounds in Aspidosperma, primarily the alkaloids, are thought to act by stimulating the respiratory center in the brain, enhancing respiratory drive. They may also exhibit bronchodilator effects, facilitating improved airflow in the lungs. The specific pathways involve modulation of neurotransmitter release and interactions with adrenergic receptors, promoting increased bronchial smooth muscle relaxation.

Pharmacodynamics

Aspidosperma exhibits a range of pharmacological effects, including respiratory stimulation and potential bronchodilation. The alkaloids may also have mild analgesic and anti-inflammatory properties. Their effects can vary based on the specific species and the concentration of active compounds present in the extracts.

Pharmacokinetics

The pharmacokinetics of Aspidosperma alkaloids are not extensively studied. However, it is known that such compounds are typically absorbed in the gastrointestinal tract, undergo hepatic metabolism, and are excreted primarily via the kidneys. The onset of action and duration can vary based on the formulation and route of administration.

Adverse effects

  • Nausea
  • Vomiting
  • Tachycardia
  • Hypertension
  • Dizziness
  • Headache

Precautions

  • Use with caution in patients with cardiovascular disease
  • Monitor for potential drug interactions with other cardiovascular medications
  • Avoid use in individuals with known hypersensitivity to aspidosperma or its components

Pregnancy

There is insufficient data on the safety of aspidosperma during pregnancy. Use only if the potential benefit justifies the potential risk to the fetus.

Breast-feeding

It is not known whether aspidosperma is excreted in human milk. Caution is advised when administering to nursing mothers.

Storage

Store in a cool, dry place away from direct sunlight. Keep out of reach of children.

Formulations

  • Oral tablet
  • Liquid extract

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: incarnata

Incarnata, commonly known as passionflower, is a plant belonging to the Passifloraceae family. It has been traditionally used for its sedative and anxiolytic properties. The plant's aerial parts, including leaves and flowers, are often utilized in herbal medicine for various conditions, particularly those related to anxiety and sleep disorders. Incarnata is available in various forms, including teas, tinctures, and capsules.

Indications

  • Anxiety
  • Insomnia
  • Stress
  • Nervous tension
  • Hyperactivity

Dosage

Children: Refer to established herbal dosage guidelines, as specific dosing may vary based on the formulation and preparation of incarnata for children. Always consult with a healthcare professional.

Adults: Refer to established herbal dosage guidelines, as specific dosing may vary based on the formulation and preparation of incarnata. Always consult with a healthcare professional.

Mechanism of action

The exact mechanism of action of incarnata is not fully understood, but it is believed to act on the central nervous system. It may enhance the activity of gamma-aminobutyric acid (GABA), a neurotransmitter that promotes relaxation and reduces neuronal excitability. This action is thought to contribute to its calming effects, making it useful in treating anxiety and insomnia.

Pharmacodynamics

Incarnata exhibits sedative, anxiolytic, and muscle relaxant effects. Its active constituents, including flavonoids and alkaloids, may interact with various neurotransmitter systems, primarily modulating GABAergic activity. This leads to a reduction in anxiety levels and an increase in sleep quality. The plant may also possess mild analgesic properties.

Pharmacokinetics

The pharmacokinetics of incarnata are not well-characterized. However, it is generally believed that its active compounds are absorbed in the gastrointestinal tract. The onset of action typically occurs within 30 to 60 minutes when taken orally, and the effects can last several hours. Metabolism occurs primarily in the liver, and excretion is likely through the kidneys, although specific pathways remain to be elucidated.

Adverse effects

  • Drowsiness
  • Dizziness
  • Gastrointestinal upset
  • Allergic reactions

Interactions

  • Sedatives
  • Alcohol
  • Antidepressants

Precautions

  • Use caution in patients with liver disease
  • Use caution in patients with a history of substance abuse
  • Not recommended for use in children without medical supervision

Pregnancy

Safety in pregnancy has not been established, use only if clearly needed.

Breast-feeding

Consult a healthcare provider, as safety in breastfeeding is not well established.

Storage

Store in a cool, dry place, away from light and moisture.

Formulations

  • Capsules
  • Tablets
  • Liquid extract

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: ipecacuanha

Ipecacuanha, derived from the roots of the plant Cephaelis ipecacuanha, is primarily known for its emetic properties. It has been historically used to induce vomiting in cases of poisoning or overdose, particularly with certain toxic substances. Although its use has declined in modern medicine due to the availability of more effective treatments, it remains a notable substance in the pharmacological landscape.

Indications

  • Acute poisoning
  • Overdose of certain toxins
  • As an emetic in specific clinical scenarios

Dosage

Children: For children, the dosage is typically 10 to 15 mL of syrup of ipecac for children aged 1 year and older. Again, it is crucial to seek guidance from a poison control center or healthcare provider.

Adults: For adults, the typical dose for inducing emesis is 15 to 30 mL of syrup of ipecac, taken orally. However, due to the risks associated with its use, consultation with a poison control center or healthcare provider is recommended for specific situations.

Mechanism of action

Ipecacuanha contains alkaloids such as emetine and cephaeline, which stimulate the chemoreceptor trigger zone in the medulla oblongata, leading to the induction of vomiting. These compounds also increase gastric motility and secretions, further contributing to its emetic effect.

Pharmacodynamics

The emetic action of ipecacuanha is dose-dependent, with lower doses potentially causing nausea without vomiting, while higher doses can lead to significant emesis. Its effects are mediated through the central nervous system and gastrointestinal tract.

Pharmacokinetics

Ipecacuanha is absorbed through the gastrointestinal tract, with peak plasma concentrations occurring within 1-3 hours after administration. The elimination half-life and specific metabolic pathways of the active components are not well characterized, but they are believed to be metabolized in the liver and excreted primarily in urine.

Contra-indications

  • Hypersensitivity to ipecacuanha
  • Use in patients with a known or suspected bowel obstruction
  • Concurrent use of emetics or in cases of poisoning with corrosive substances

Adverse effects

  • Nausea
  • Vomiting
  • Diarrhea
  • Abdominal pain
  • Drowsiness
  • Cardiac arrhythmias
  • Hypotension

Interactions

  • May interact with other emetics or central nervous system depressants
  • Potential for altered absorption of orally administered medications due to vomiting

Precautions

  • Use with caution in patients with a history of cardiac issues
  • Monitor for dehydration due to vomiting
  • Not recommended for use in children without professional supervision

Pregnancy

Ipecacuanha is not recommended during pregnancy due to potential for adverse effects.

Breast-feeding

Caution is advised when using ipecacuanha while breastfeeding, as it may affect the infant.

Storage

Store in a cool, dry place, away from direct sunlight. Keep out of reach of children.

Formulations

  • Syrup
  • Powder
  • Capsules

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: justicia

Justicia is a genus of flowering plants in the family Acanthaceae, commonly known as waterwashes or shrimps. Several species within this genus have been used traditionally in various cultures for their medicinal properties, including anti-inflammatory, antimicrobial, and analgesic effects. Justicia species are often utilized in herbal medicine to treat a variety of ailments, although scientific evidence regarding their efficacy and safety is limited.

Indications

  • Anti-inflammatory treatment
  • Antimicrobial therapy
  • Pain relief
  • Supportive therapy in respiratory conditions
  • Traditional medicine for digestive issues

Dosage

Children: Refer to specific herbal product guidelines or consult a qualified herbalist for appropriate dosing.

Adults: Refer to specific herbal product guidelines or consult a qualified herbalist for appropriate dosing.

Mechanism of action

The mechanism of action of Justicia is not well-defined in scientific literature. However, it is believed that the bioactive compounds present in Justicia may exert their effects by modulating inflammatory pathways and inhibiting microbial growth. Some studies suggest that flavonoids and other phytochemicals found in Justicia may possess antioxidant properties, contributing to its therapeutic potential.

Pharmacodynamics

The pharmacodynamics of Justicia largely depend on the specific compounds present in the plant species used. Generally, the anti-inflammatory effects may be mediated through the inhibition of pro-inflammatory cytokines and enzymes, while antimicrobial activity could involve disruption of microbial cell membranes or interference with metabolic processes in pathogens. The exact relationship between dosage, plasma concentration, and therapeutic effect remains to be fully elucidated.

Pharmacokinetics

Limited pharmacokinetic data is available for Justicia, as studies often focus on specific compounds rather than the whole plant. However, it is expected that the absorption, distribution, metabolism, and excretion of Justicia's active constituents would be influenced by factors such as the mode of administration, solubility, and individual patient characteristics. Further investigations are needed to clarify the pharmacokinetics of Justicia extracts and their components.

Pregnancy

Insufficient data available to determine safety in pregnancy.

Breast-feeding

Insufficient data available; caution is advised while breastfeeding.

Storage

Store in a cool, dry place away from direct sunlight.

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: passiflora

Passiflora, commonly known as passionflower, is a plant belonging to the Passifloraceae family. It has been traditionally used for its calming effects and is often utilized in herbal medicine for its sedative properties. Passiflora is primarily known for its potential to alleviate anxiety, insomnia, and other stress-related conditions, making it popular in complementary and alternative therapies.

Indications

  • Anxiety disorders
  • Insomnia
  • Stress-related conditions
  • Nervous tension
  • Restlessness

Dosage

Children: Refer to established guidelines or consult a healthcare professional for specific dosing recommendations. Caution is advised when using herbal supplements in children.

Adults: Refer to established guidelines or consult a healthcare professional for specific dosing recommendations. Standardized extracts are commonly used in clinical practice.

Mechanism of action

The exact mechanism of action of Passiflora is not fully understood. However, it is believed to exert its effects primarily through modulation of gamma-aminobutyric acid (GABA) receptors. This interaction may enhance GABAergic activity, leading to anxiolytic and sedative effects. Additionally, Passiflora may influence serotonin and dopamine pathways, contributing to its mood-stabilizing properties.

Pharmacodynamics

Passiflora exhibits anxiolytic, sedative, and possibly muscle-relaxant effects. Its active constituents, such as flavonoids and alkaloids, are thought to play a role in its pharmacological effects. Clinical studies suggest that Passiflora may reduce anxiety levels and improve sleep quality without significant sedation, making it a preferred option for patients seeking relief from mild to moderate anxiety without the side effects commonly associated with synthetic anxiolytics.

Pharmacokinetics

The pharmacokinetics of Passiflora are not well-characterized due to the complexity of its composition and the presence of various bioactive compounds. However, it is generally believed that the active constituents are absorbed in the gastrointestinal tract after ingestion, with effects typically noted within an hour. The elimination half-life of Passiflora metabolites is not well-defined, and further research is needed to clarify its metabolism and excretion pathways.

Adverse effects

  • Drowsiness
  • Dizziness
  • Confusion
  • Nausea
  • Vomiting
  • Allergic reactions

Interactions

  • May enhance the effects of sedatives and CNS depressants
  • Potential interaction with anticoagulants
  • May interfere with the metabolism of certain medications processed by the liver

Precautions

  • Use with caution in patients with liver disease
  • Monitor for increased sedation when used with other CNS depressants
  • Not recommended for use in children without medical supervision

Pregnancy

There is insufficient data on the safety of passiflora during pregnancy. It is advised to avoid use unless directed by a healthcare provider.

Breast-feeding

There is limited information on the safety of passiflora while breastfeeding. Caution is advised.

Storage

Store in a cool, dry place away from direct sunlight. Keep out of reach of children.

Formulations

  • Dried herb
  • Tincture
  • Extracts
  • Capsules
  • Tablets

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: quebracho

Quebracho is a natural product derived from the bark of the Schinopsis species, particularly Schinopsis balansae and Schinopsis lorentzii. It is recognized for its high tannin content and has been traditionally used in herbal medicine. Quebracho is most commonly associated with its use as a cough suppressant and anti-inflammatory agent. It is often utilized in the treatment of respiratory conditions due to its properties that may help in soothing the throat and reducing irritation.

Indications

  • Cough
  • Bronchitis
  • Respiratory tract irritation
  • Inflammation

Dosage

Children: Refer to specific product guidelines or consult a healthcare professional for appropriate dosing.

Adults: Refer to specific product guidelines or consult a healthcare professional for appropriate dosing.

Mechanism of action

The primary bioactive components in quebracho are condensed tannins, which exert astringent effects. These tannins can bind to proteins and other macromolecules, potentially leading to a reduction in inflammation and irritation in the respiratory tract. Additionally, some studies suggest that quebracho may modulate mucus production and enhance respiratory function, although the exact pathways remain to be fully elucidated.

Pharmacodynamics

Quebracho exhibits anti-inflammatory and astringent properties. The tannins interact with epithelial tissues of the respiratory tract, which may help to decrease inflammation and promote a soothing effect. Its cough-suppressant action may be attributed to the reduction of irritation in the throat and airways, leading to decreased cough reflex activity.

Pharmacokinetics

The pharmacokinetics of quebracho have not been extensively studied in humans. However, it is known that tannins can be poorly absorbed in the gastrointestinal tract, leading to limited systemic availability. The effects are primarily local, acting in the gut and respiratory system. The metabolism of tannins involves complex pathways including hydrolysis and microbial degradation, with possible interactions with gut microbiota influencing their bioactivity.

Pregnancy

There is insufficient evidence regarding the safety of quebracho during pregnancy. Consult a healthcare provider for individual assessment.

Breast-feeding

Due to limited data on the excretion of quebracho in breast milk and its effects on the infant, caution is advised. Consult a healthcare provider.

Storage

Store in a cool, dry place away from light. 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: santa

Santa is not a recognized pharmaceutical agent, and thus lacks a formal profile in pharmacology or clinical usage. It may refer to a colloquial or cultural term rather than a specific medication. Any related information would be purely anecdotal or based on non-scientific sources.

Dosage

Children: Dosage information is not available due to the lack of a recognized drug profile.

Adults: Dosage information is not available due to the lack of a recognized drug profile.

Pregnancy

Safety in pregnancy has not been established. Consult with a healthcare professional before use.

Breast-feeding

Safety during breastfeeding is not well established. Consult with a healthcare professional before use.

Storage

Store in a cool, dry place away from direct sunlight and moisture.

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: yerba

Yerba mate is a traditional South American beverage made from the leaves of the Ilex paraguariensis plant. It is known for its stimulant effects, primarily due to its caffeine content. Yerba mate is consumed for its potential health benefits, including antioxidant properties and effects on mental alertness.

Indications

  • Cognitive enhancement
  • Increased physical endurance
  • Antioxidant support
  • Mood elevation

Dosage

Children: Refer to established guidelines for caffeine intake in children. Generally, caffeine consumption is not recommended for young children.

Adults: Refer to established guidelines for caffeine intake. Generally, moderation is advised.

Mechanism of action

Yerba mate contains several bioactive compounds, including caffeine, theobromine, and polyphenols. Caffeine acts as a central nervous system stimulant by antagonizing adenosine receptors, which enhances alertness and reduces fatigue. Theobromine may contribute to mood enhancement and relaxation effects, while polyphenols offer antioxidant protection.

Pharmacodynamics

The pharmacodynamic effects of yerba mate are largely attributed to its caffeine content, which can increase heart rate and blood pressure temporarily. It may also enhance physical performance and improve cognitive function. The antioxidants in yerba mate may help reduce inflammation and oxidative stress.

Pharmacokinetics

Caffeine is rapidly absorbed after ingestion, with peak plasma concentrations typically occurring within 1-2 hours. It is metabolized primarily in the liver by cytochrome P450 enzymes, particularly CYP1A2. The half-life of caffeine varies widely among individuals, ranging from 3 to 7 hours, influenced by factors such as age, liver function, and genetic polymorphisms. Yerba mate's other components, such as theobromine, also exhibit variable absorption and metabolism.

Adverse effects

  • Insomnia
  • Nervousness
  • Stomach upset
  • Headaches
  • Increased heart rate
  • High blood pressure
  • Gastrointestinal disturbances

Interactions

  • Caffeine-containing products may enhance stimulant effects
  • Anticoagulants may have increased bleeding risk
  • Monoamine oxidase inhibitors (MAOIs) may cause hypertensive reactions
  • Stimulants may increase the risk of cardiovascular side effects

Precautions

  • Use with caution in individuals with cardiovascular disorders
  • May cause gastrointestinal irritation
  • Monitor for side effects in patients with anxiety or sleep disorders

Pregnancy

Yerba mate should be avoided during pregnancy due to potential stimulant effects and insufficient safety data.

Breast-feeding

Caution is advised as caffeine can pass into breast milk; consult a healthcare professional.

Storage

Store in a cool, dry place away from direct sunlight.

Formulations

  • Loose leaf tea
  • Tea bags
  • Powdered extract
  • Ready-to-drink beverages

AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.

This drug in other countries

The same active ingredient registered across other registries we cover - including different brands.