About chlorpheniramine maleate tablets
First-generation antihistamine
Used for
- Relief of allergy symptoms such as sneezing, runny nose, and itchy eyes
- Relief of itching and hives
Usual adult dose
Usually 4 mg every 4–6 hours; maximum 24 mg in 24 hours.
Usual dose in children
Age 6–11 years: usually 2 mg every 4–6 hours; maximum 12 mg daily. Not for children under 6 without medical direction.
Common side effects
- Drowsiness
- Dizziness or impaired coordination
- Dry mouth, nose, or throat
- Blurred vision or difficulty urinating
Important warnings
- May cause significant sleepiness; avoid driving if affected.
- Alcohol and sedatives can increase drowsiness.
- Use caution with glaucoma, urinary problems, or breathing conditions.
- Older adults may be more sensitive to side effects.
Pregnancy
Use only when needed and after discussion with a healthcare professional; pregnancy-specific evidence is limited.
Breastfeeding
May cause infant drowsiness or irritability and could reduce milk supply; seek professional guidance, especially with repeated use.
Interactions
- Alcohol, sleeping medicines, opioids, and other sedatives
- Monoamine oxidase inhibitors, including use within the past 14 days
- Other medicines with anticholinergic effects, such as some antidepressants
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 It may be incomplete or out of date.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.