- Brand Name : Celontin
- Drug Class : Anticonvulsants, Succinimide
- Medical Author : Dr. Vinod Katiboina, Pharm. D.
- Medical Reviewer : Divya Jacob, Pharm. D.
- _eael_post_view_count : 9
What Is Methsuximide and How Does It Work?
Methsuximide is a prescription medicine used for the treatment of absence seizures (also called “petit mal seizures).
- Methsuximide is available under the following different brand names: Celontin
What Are Side Effects Associated with Using Methsuximide?
Common side effects of methsuximide include:
- drowsiness
- dizziness
- stomach/abdominal pain
- loss of appetite
- nausea
- vomiting
- weight loss
- diarrhea
- constipation
- headache
- loss of balance or coordination
- nervousness
- confusion
- blurred vision
Serious side effects of methsuximide include:
- hives
- difficulty breathing
- swelling of the face, lips, tongue, or throat
- mood or behavior
- anxiety
- panic attacks
- trouble sleeping
- impulsive behavior
- irritableness
- agitation
- hostility
- aggression
- restlessness
- hyperactivity (mentally or physically)
- depression
- thoughts of suicide or self-harm
- fever
- swollen glands
- sore throat
- easy bruising
- unusual bleeding (nose, mouth)
- weakness
- tiredness
- confusion
- hallucination
- unusual thoughts or behavior
- extreme fear
- worsening seizures
- joint pain or swelling with fever
- swollen glands
- muscle aches
- chest pain
- vomiting
- patchy skin color
- burning in your eyes
- skin pain followed by a red or purple skin rash that spreads (especially in the face or upper body) and causes blistering and peeling
Rare side effects of methsuximide include:
- none
Seek medical care or call 911 at once if you have the following serious side effects:
- Severe headache, confusion, slurred speech, arm or leg weakness, trouble walking, coordination loss, unsteady, very stiff muscles, high fever, profuse sweating, or tremors
- Serious eye symptoms such as sudden vision loss, blurred vision, tunnel vision, eye pain or swelling, or seeing halos around lights
- Serious heart symptoms include fast, irregular, or pounding heartbeats; fluttering in the chest; shortness of breath; sudden dizziness, light-headedness, or passing out
This is not a complete list of side effects and other serious side effects or health problems that may occur because of the use of this drug. Call your doctor for medical advice about serious side effects or adverse reactions. You may report side effects or health problems to FDA at 1-800-FDA-1088.