About pheniramine maleate
First-generation antihistamine
Used for
- Relieves allergy symptoms such as sneezing, runny nose, and itchy eyes
- May help relieve itching from hives or other allergic skin reactions
Usual adult dose
Usually 25 mg every 4–6 hours; maximum 150 mg daily. Follow the product label.
Usual dose in children
Dosing depends on age and product labeling; not suitable for children under 2 years without medical direction.
Common side effects
- Drowsiness
- Dry mouth, nose, or throat
- Blurred vision
- Constipation or difficulty urinating
Important warnings
- Can cause significant sleepiness; avoid driving if affected.
- Alcohol and sedatives can increase drowsiness.
- Use cautiously with glaucoma, urinary problems, or breathing conditions.
- Do not combine with other antihistamines unless advised by a clinician.
Pregnancy
Safety information is limited; use during pregnancy only when a healthcare professional considers it necessary.
Breastfeeding
May cause infant drowsiness or reduce milk supply; use only with professional guidance.
Interactions
- Alcohol, opioids, sleeping medicines, and sedatives may increase drowsiness.
- Monoamine oxidase inhibitors may intensify side effects.
- Other medicines with anticholinergic effects can increase dry mouth, constipation, or urinary difficulty.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.