Drug reference

pheniramine

H1 antagonist · Antihistamine

H1 antagonistAntihistamine

CDSCO approved

EXCRETION

—

not curated

INTERACTIONS

—

none in our sources

PREGNANCY

—

not curated

Mechanism

Not yet extracted

Indications

allergic conjunctivitis (in combination)

Dosing

Adult: 20–50 mg oral, i.m.

Side effects

Common

sedationdiminished alertnesslight headednessmotor incoordinationfatiguetendency to fall asleepdry mouthalteration of bowel movementurinary hesitancyblurring of vision

Related guidelines

Pulmonary tuberculosis

RNTCP · Infectious Disease · 2023

Dyslipidaemia in diabetes

RSSDI · Endocrinology · 2022

Hepatitis C — chronic infection

EASL · Gastroenterology · 2020

Dyslipidaemia management

ESC · Cardiology · 2019

Hypothyroidism in adults

ENDOCRINE_SOCIETY · Endocrinology · 2014

Other H1 antagonist drugs

antazoline

0 brands

emedastine difumarate

0 brands

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Sources: KD Tripathi 7e, Goodman & Gilman 14e·Verified: 2026-05-10 · House clinical team