Clinical Overview
Pheniramine Maleate Injection (22.75mg/ml) (Avil) is a parenteral first-generation alkylamine H1-antihistamine on the WHO Model List framework. It competitively blocks H1 receptors, rapidly relieving severe acute allergic reactions, angioedema, serum sickness, drug eruptions, and anaphylaxis (as adjunctive therapy following adrenaline).
Active Pharmaceutical Ingredients
Verified Clinical References
Usage Guidelines
Administer by slow intravenous injection over at least 2 to 3 minutes, or by deep intramuscular injection (1 to 2 mL as needed). Do NOT inject rapidly IV (causes severe hypotension and central stimulation).
General Administration Advice: Adhere strictly to the prescribed dosage, frequency, and treatment course. For oral medications, swallow with sufficient water. Never stop antibiotics, psychiatric medications, or antihypertensives abruptly without clinical direction.
Possible Side Effects
Common: Drowsiness, dry mouth, blurred vision, dizziness, injection site pain. Rare/Severe: Severe hypotension with rapid IV push, convulsions, urinary retention, and hallucinations.
*Note: Individual physiological responses vary. While many patients experience few or no side effects, notify your treating physician if adverse reactions persist or if hypersensitivity (angioedema, skin rash, dyspnea) occurs.
Precautions & Warnings
Inject slowly IV to prevent hypotension. Causes heavy sedation; patient must remain recumbent following parenteral administration. Contraindicated in narrow-angle glaucoma and prostatic hypertrophy.
Schedule H (Prescription Required)
This medication is scheduled under statutory drug regulatory frameworks (CDSCO / Drugs & Cosmetics Rules). Dispensing requires a valid medical prescription from a registered medical practitioner. Self-medication or unsupervised dosage adjustment carries significant clinical risks.
Medical Disclaimer: Statutory Clinical Disclaimer: The information provided is for educational and price-transparency purposes only and does not constitute medical advice, pulmonological diagnosis, or respiratory management recommendations. Inhalation therapies and allergy medications should be used strictly under the guidance of a qualified pulmonologist or registered medical practitioner.