Methsuximide Side Effects

Brand Names: Celontin

Please note - some side effects for Methsuximide may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

Side Effects of Methsuximide - for the Consumer

Methsuximide

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Methsuximide:

Constipation; diarrhea; dizziness; drowsiness; headache; loss of appetite; loss of coordination; nausea; stomach pain; trouble sleeping; vomiting; weight loss.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); aggressive behavior; bloody urine; blurred vision or other vision changes; clumsiness; confusion; dark urine; fever, chills, or persistent sore throat; hallucinations; new or worsening mood or mental changes (eg, anxiety, depression, nervousness, restlessness, irritability, panic attacks, behavior changes, suicidal thoughts or attempts); new or worsening seizures; red, swollen, peeling, or blistered skin; sensitivity to light; yellowing of the skin or eyes.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

Side Effects by Body System - for Healthcare Professionals

Ocular

Ocular side effects have included periorbital edema.

Genitourinary

Genitourinary side effects have included proteinuria and microscopic hematuria.

Cardiovascular

Cardiovascular side effects have included hyperemia.

Dermatologic

Dermatologic side effects have included urticaria, Stevens-Johnson syndrome, and pruritic erythematous rashes.

Nervous system

Nervous system side effects have included drowsiness, ataxia or dizziness, irritability and nervousness, headache, blurred vision, photophobia, hiccups, and insomnia.

Psychiatric

Psychiatric side effects have included confusion, instability, mental slowness, depression, hypochondriacal behavior, and aggressiveness. There have also been rare reports of psychosis, suicidal behavior, and auditory hallucinations.

Hematologic

Hematologic side effects have included eosinophilia, leukopenia, monocytosis, and pancytopenia with or without bone marrow suppression.

Gastrointestinal

Gastrointestinal side effects have included nausea, vomiting, anorexia, diarrhea, weight loss, epigastric and abdominal pain, and constipation.

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