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Isopto Homatropine Side Effects

Generic name: homatropine ophthalmic

Medically reviewed by Last updated on Jul 24, 2023.

Note: This document contains side effect information about homatropine ophthalmic. Some dosage forms listed on this page may not apply to the brand name Isopto Homatropine.

Applies to homatropine ophthalmic: ophthalmic solution.

Side effects include:

Elevated IOP, transient stinging, burning. With prolonged administration, local irritation (characterized by follicular conjunctivitis, vascular congestion, edema, exudate, and eczematoid dermatitis ), thirst, dry mouth, increased light sensitivity of eyes.

For Healthcare Professionals

Applies to homatropine ophthalmic: compounding powder, ophthalmic solution.


The most frequently reported side effects were transient stinging/burning upon instillation and increased sensitivity to light.[Ref]


Common (1% to 10%): Transient burning, transient stinging, increased sensitivity to light

Uncommon (0.1% to 1%): Eye irritation

Rare (0.01% to 0.1%): Local irritation, vascular congestion, edema, exudates, eczematoid dermatitis, follicular conjunctivitis

Postmarketing reports: Conjunctivitis, photophobia, mydriasis prolonged, eye pain, eye edema, eye discharge, eye irritation, ocular hyperemia[Ref]


Rare (0.01% to 0.1%): Thirst, dryness of mouth

Frequency not reported: Abdominal distention infants, gastrointestinal motility diminished, salivary secretion decreased, sweat gland secretion decreased[Ref]

Nervous system

Frequency not reported: Ataxia, incoherent speech, hyperactivity, seizure, unusual drowsiness

Postmarketing reports: Somnolence[Ref]


Frequency not reported: Restlessness, hallucination, disorientation, failure to recognize people

Postmarketing reports: Confusion[Ref]


Frequency not reported: Urinary retention[Ref]


Frequency not reported: Secretion decreased in pharynx/bronchi/nasal passages, rapidly progressive respiratory depression[Ref]


Frequency not reported: Hyperpyrexia[Ref]


Frequency not reported: Tachycardia, vasodilation, hypotension

Postmarketing reports: Heart rate increased[Ref]


Frequency not reported: Skin rash[Ref]


1. Cerner Multum, Inc. "Australian Product Information."

2. (2017) "Product Information. Homatropine Hydrobromide (homatropine ophthalmic)." OCuSOFT

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.