Drug reference
dexchlorpheniramine
H1 antihistaminic (mild sedative) · Antihistaminic
H1 antihistaminic (mild sedative)Antihistaminic
CDSCO approved
EXCRETION
—
not curated
INTERACTIONS
—
none in our sources
PREGNANCY
—
not curated
Mechanism
H1 antagonism. Also has anticholinergic action.
Dosing
- Adult
- 2 mg oral
Side effects
Common
sedationdiminished alertnesslight headednessmotor incoordinationfatiguetendency to fall asleepdry mouthalteration of bowel movementurinary hesitancyblurring of vision
Other H1 antihistaminic (mild sedative) drugs
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Sources: KD Tripathi 7e·Verified: 2026-05-10 · House clinical team