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Miostat Side Effects

Generic name: carbachol ophthalmic

Medically reviewed by Last updated on Apr 21, 2023.

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

Applies to carbachol ophthalmic: ophthalmic intraocular injection, ophthalmic topical solution.

Side effects include:

Topical solution: Ocular irritation (burning or discomfort), lacrimation, temporal or periorbital headache, painful ciliary or accommodative spasm, blurred vision or myopia, conjunctival vascular congestion, poor vision in dim light.

For Healthcare Professionals

Applies to carbachol ophthalmic: compounding powder, intraocular solution, ophthalmic solution.


The most commonly reported side effects were headache and increased intraocular pressure.[Ref]


Uncommon (0.1% to 1%): Increased intraocular pressure

Frequency not reported: Corneal clouding, persistent bullous keratopathy, retinal detachment/postoperative iritis following cataract extraction, anterior chamber inflammation, corneal edema, eye inflammation, visual impairment, corneal degeneration, miosis, blurred vision, eye pain, ocular hyperemia[Ref]


Frequency not reported: Flushing[Ref]


Frequency not reported: Sweating[Ref]


Frequency not reported: Epigastric distress, abdominal cramps, vomiting[Ref]


Frequency not reported: Tightness in urinary bladder[Ref]

Nervous system

Uncommon (0.1% to 1%): Headache[Ref]


1. Cerner Multum, Inc. "Australian Product Information." O 0

2. "Product Information. Miostat (carbachol ophthalmic)." Alcon Laboratories Inc (2011):

3. "Product Information. Isopto Carbachol (carbachol ophthalmic)." Alcon Laboratories Inc (2011):

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.