What it does
Betamethasone is a strong anti-inflammatory medicine used to reduce swelling and treat various conditions.
Commonly used for: allergic reactions, skin conditions (like eczema and psoriasis), inflammatory conditions (like arthritis), certain respiratory issues (like asthma)
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Source: Pharmacy and Medicines Regulatory Authority · fetched 2026-04-21 17:37:38 · updated 2026-09-22 04:33:01
About this medicine
Betamethasone is a strong anti-inflammatory medicine used to reduce swelling and treat various conditions.
What it treats
- allergic reactions
- skin conditions (like eczema and psoriasis)
- inflammatory conditions (like arthritis)
- certain respiratory issues (like asthma)
How it works
It works by suppressing the immune system's response, which helps to decrease inflammation and relieve symptoms.
Who it's for
It is for adults and children who need relief from inflammation or allergic reactions.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
Clinical monograph: batamethasone
Betamethasone is a potent synthetic glucocorticoid corticosteroid used primarily for its anti-inflammatory and immunosuppressive properties. It is commonly utilized in various conditions such as allergies, skin disorders, and certain types of arthritis. Betamethasone can be administered via various routes including oral, injectable, and topical forms.
Indications
- Allergic conditions
- Asthma
- Rheumatoid arthritis
- Dermatitis
- Psoriasis
- Systemic lupus erythematosus
- Certain cancers
- Inflammatory bowel disease
Dosage
Children: Refer to the BNF for Children for appropriate dosing information for pediatric patients.
Adults: Refer to the BNF for specific dosing recommendations based on the condition being treated.
Mechanism of action
Betamethasone exerts its effects by binding to the glucocorticoid receptor, leading to the regulation of gene expression. This interaction results in the suppression of pro-inflammatory cytokines, inhibition of leukocyte infiltration at the site of inflammation, and decreased production of inflammatory mediators. It also influences carbohydrate, protein, and fat metabolism.
Pharmacodynamics
The pharmacodynamics of betamethasone involve its ability to modulate immune responses and inflammation. By reducing the activity of the immune system, it alleviates the symptoms associated with allergic reactions, autoimmune diseases, and inflammatory conditions. Betamethasone has a longer duration of action compared to many other corticosteroids, providing effective relief from symptoms with fewer doses.
Pharmacokinetics
Betamethasone is well absorbed when administered orally and has a high bioavailability due to its lipid solubility. It is metabolized primarily in the liver and has a relatively long half-life, allowing for once-daily dosing in some cases. The drug is excreted in urine, predominantly as metabolites. Its pharmacokinetic profile can be affected by factors such as age, liver function, and the presence of other medications.
Contra-indications
- Systemic fungal infections
- Hypersensitivity to betamethasone or any of its components
- Live vaccines in immunocompromised patients
Adverse effects
- Increased risk of infections
- Osteoporosis
- Adrenal suppression
- Cushing's syndrome
- Mood changes
- Gastrointestinal disturbances
- Hyperglycemia
- Hypertension
- Skin atrophy or thinning
Interactions
- Nonsteroidal anti-inflammatory drugs (NSAIDs) can increase the risk of gastrointestinal side effects
- Antidiabetic agents may require dosage adjustments due to hyperglycemic effects
- Live vaccines may be less effective or cause disease in immunocompromised patients
- Potassium-depleting diuretics can increase the risk of hypokalemia
Precautions
- Use with caution in patients with a history of tuberculosis
- Monitor for signs of infection during treatment
- Consider dosage adjustments in renal or hepatic impairment
- Caution in patients with peptic ulcer disease or recent gastrointestinal surgery
Pregnancy
Betamethasone is classified as category C. It should only be used if the potential benefit justifies the potential risk to the fetus.
Breast-feeding
Betamethasone is excreted in breast milk. Caution should be exercised when administering to nursing mothers.
Storage
Store at room temperature, away from light and moisture. Keep out of reach of children.
Formulations
- Oral tablets
- Injectable solution
- Topical cream
- Topical ointment
- Inhalation aerosol
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.