Pheniramine

Pheniramine is an antihistamine used to relieve symptoms of allergic reactions, such as itching, sneezing, and runny nose. It is commonly used in the treatment of allergic rhinitis, urticaria, and other allergic conditions.

Indications

-Allergic rhinitis -Urticaria (hives) -Allergic conjunctivitis -Allergic skin reactions

Dosage

-Adults: Typically 25 mg every 4-6 hours as needed, not exceeding 150 mg per day. -Children: Dosage should be adjusted based on age and weight, usually starting at 12.5 mg every 4-6 hours, not exceeding 75 mg per day.

Contra-Indications

-Hypersensitivity to Pheniramine or any component of the formulation -Acute asthma -Severe liver or kidney impairment

Special Precautions

-Use with caution in patients with glaucoma, peptic ulcer disease, or prostate enlargement. -May cause drowsiness; avoid operating heavy machinery or driving. -Should not be used in combination with alcohol or other central nervous system depressants.

Side Effects

-Drowsiness -Dizziness -Dry mouth -Blurred vision -Constipation -Urinary retention

Drug Interactions

-May interact with other central nervous system depressants, including alcohol, benzodiazepines, and opioids. -Potential interaction with other antihistamines or drugs that affect the liver enzyme system.