About chlorpheniramine maleate + pseudoephedrine hcl
Antihistamine and nasal decongestant
Used for
- Relieves allergy symptoms such as sneezing, runny nose, and itchy, watery eyes.
- Temporarily relieves nasal congestion from colds or allergies.
Usual adult dose
Common immediate-release combination doses are chlorpheniramine 4 mg plus pseudoephedrine 60 mg every 4–6 hours; follow the product label.
Usual dose in children
For ages 6–11, common doses are chlorpheniramine 2 mg plus pseudoephedrine 30 mg every 4–6 hours. Not for children under 6 unless directed by a clinician.
Common side effects
- Drowsiness, dizziness, or blurred vision
- Dry mouth or constipation
- Restlessness, trouble sleeping, or nervousness
- Fast heartbeat or increased blood pressure
Important warnings
- May cause drowsiness; avoid alcohol and take care with driving.
- Pseudoephedrine can raise blood pressure and heart rate.
- Do not combine with monoamine oxidase inhibitors or use within 14 days of stopping them.
- Check other medicines for duplicate antihistamines or decongestants.
Pregnancy
Safety is not fully established. Use during pregnancy only when a healthcare professional considers it necessary.
Breastfeeding
Chlorpheniramine may cause infant drowsiness and reduce milk supply; pseudoephedrine may also reduce milk production.
Interactions
- Monoamine oxidase inhibitors can cause dangerous blood pressure increases.
- Other sedatives or alcohol can increase drowsiness.
- Other decongestants or stimulants may increase blood pressure or heart rate.
- Anticholinergic medicines can worsen dry mouth, constipation, or blurred vision.
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 It may be incomplete or out of date.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.