Carbastat Side Effects

Generic name: carbachol ophthalmic

Medically reviewed by Drugs.com. Last updated on Apr 21, 2025.

Note: This document provides detailed information about Carbastat Side Effects associated with carbachol ophthalmic. Some dosage forms listed on this page may not apply specifically to the brand name Carbastat.

Applies to carbachol ophthalmic: ophthalmic solution.

Common side effects of Carbastat

Some side effects of carbachol ophthalmic may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common side effects

• blurred vision or change in near or distance vision
• eye pain
• stinging or burning of the eye

Less common side effects

• headache
• irritation or redness of eyes
• twitching of eyelids

Serious side effects of Carbastat

Along with its needed effects, carbachol ophthalmic (the active ingredient contained in Carbastat) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor as soon as possible if any of the following side effects occur while taking carbachol ophthalmic:

Rare side effects

• veil or curtain appearing across part of vision

Symptoms of too much medicine being absorbed into the body

• diarrhea, stomach cramps or pain, or vomiting
• fainting
• flushing or redness of face
• frequent urge to urinate
• increased sweating
• irregular heartbeat
• shortness of breath, wheezing, or tightness in chest
• unusual tiredness or weakness
• watering of mouth

For healthcare professionals

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

General adverse events

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

Ocular

• 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]

Cardiovascular

• Frequency not reported: Flushing^[Ref]

Dermatologic

• Frequency not reported: Sweating^[Ref]

Gastrointestinal

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

Genitourinary

• Frequency not reported: Tightness in urinary bladder^[Ref]

Nervous system

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

Further information

Carbastat side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.

Medical Disclaimer