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Carboxine Side Effects

Generic name: carbinoxamine

Medically reviewed by Last updated on Dec 18, 2023.

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

Applies to carbinoxamine: oral solution, oral suspension extended release, oral tablet.

Serious side effects of Carboxine

Along with its needed effects, carbinoxamine (the active ingredient contained in Carboxine) 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 immediately if any of the following side effects occur while taking carbinoxamine:

Incidence not known

Get emergency help immediately if any of the following symptoms of overdose occur while taking carbinoxamine:

Symptoms of overdose

Other side effects of Carboxine

Some side effects of carbinoxamine 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

Incidence not known

For Healthcare Professionals

Applies to carbinoxamine: oral capsule extended release, oral liquid, oral suspension, oral suspension extended release, oral tablet, oral tablet extended release.

Nervous system

Nervous system side effects have included sedation, dizziness, headache, and nervousness.[Ref]


Ocular side effects have included diplopia.[Ref]


Gastrointestinal side effects have included vomiting, diarrhea, dry mouth, nausea, heartburn, and anorexia.[Ref]


Other side effects have included weakness.[Ref]


Genitourinary side effects have included polyuria.[Ref]


1. (2003) "Product Information. Histex Pd 12 (carbinoxamine)." Teamm Pharmaceuticals Inc

2. (2004) "Product Information. Palgic (carbinoxamine)." Alfasigma USA Inc (formerly Pamlab LLC)

3. (2004) "Product Information. Histex I/E (carbinoxamine)." Teamm Pharmaceuticals Inc

4. (2004) "Product Information. Histex CT (carbinoxamine)." Andrx Pharmaceuticals

5. (2004) "Product Information. Histex PD (carbinoxamine)." Andrx Pharmaceuticals

6. (2004) "Product Information. Pediatex (carbinoxamine)." Zyber Pharmaceuticals Inc

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.