Clinical reference
Antihistamine · Antihistamine · Allergy, Primary Care, Pediatrics
Chlorpheniramine maleate is an oral antihistamine. Tablets [OTC]: 4 mg. Sustained-release tablets [OTC]: 12 mg. Syrup [OTC]: 2 mg/5 mL (120, 473 mL); may contain 5% alcohol and/or parabens. Doses may be administered on a scheduled basis or PRN. Use with caution in asthma. May cause sedation, dry mouth, blurred vision, urinary retention, polyuria, and dist…