Methsuximide Side Effects
Not all side effects for methsuximide may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
For the Consumer
Applies to methsuximide: oral capsule
In addition to its needed effects, some unwanted effects may be caused by methsuximide. In the event that any of these side effects do occur, they may require medical attention.
You should check with your doctor immediately if any of these side effects occur when taking methsuximide:Rare
- Attempts at killing oneself
- feeling that others are watching you or controlling your behavior
- feeling that others can hear your thoughts
- feeling, seeing, or hearing things that are not there
- severe mood or mental changes
- unusual behavior
- Attack, assault, or force
- blistering, peeling, or loosening of the skin
- blood in the urine
- bloody, black, or tarry stools
- chest pain
- cloudy urine
- cough or hoarseness
- feeling sad or empty
- high fever
- joint or muscle pain
- lack of appetite
- loss of interest or pleasure
- lower back or side pain
- mood or mental changes
- painful or difficult urination
- pale skin
- red skin lesions, often with a purple center
- red, irritated eyes
- shakiness and unsteady walk
- shortness of breath
- sore throat
- sores, ulcers, or white spots on the lips or in the mouth
- swelling around the eyes
- swollen glands
- trouble with concentrating
- trouble with sleeping
- unexplained bleeding or bruising
- unsteadiness, trembling, or other problems with muscle control or coordination
- unusual bleeding or bruising
- unusual tiredness or weakness
- vision changes
If any of the following symptoms of overdose occur while taking methsuximide, get emergency help immediately:Symptoms of overdose
- Change in consciousness
- difficult or troubled breathing
- irregular, fast or slow, or shallow breathing
- loss of consciousness
- pale or blue lips, fingernails, or skin
Some of the side effects that can occur with methsuximide may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:Incidence not known
- Blurred vision
- change in color vision
- difficulty having a bowel movement (stool)
- difficulty seeing at night
- hives or welts
- increased sensitivity of the eyes to sunlight
- loss of appetite
- nausea or vomiting
- pain or discomfort in the chest, upper stomach, or throat
- redness of the skin
- skin rash
- unable to sleep
- weight loss
For Healthcare Professionals
Applies to methsuximide: oral capsule
Ocular side effects have included periorbital edema.
Genitourinary side effects have included proteinuria and microscopic hematuria.
Cardiovascular side effects have included hyperemia.
Dermatologic side effects have included urticaria, Stevens-Johnson syndrome, and pruritic erythematous rashes.
Nervous system side effects have included drowsiness, ataxia or dizziness, irritability and nervousness, headache, blurred vision, photophobia, hiccups, and insomnia.
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 side effects have included eosinophilia, leukopenia, monocytosis, and pancytopenia with or without bone marrow suppression.
Gastrointestinal side effects have included nausea, vomiting, anorexia, diarrhea, weight loss, epigastric and abdominal pain, and constipation.
More about methsuximide
- Other brands: Celontin
Related treatment guides
Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.