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Celontin

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Celontin

Celontin

Celontin Patient Information Including Side Effects

Brand Names: Celontin

Generic Name: methsuximide (Pronunciation: meth SUX i mide)

What is methsuximide (Celontin)?

Methsuximide is an anti-epileptic medication, also called an anticonvulsant.

Methsuximide is used alone or in combination with other medications to treat absence seizures (also called "petit mal" seizures) in adults and children.

Methsuximide may also be used for purposes not listed in this medication guide.

Celontin 300 mg

white/yellow, imprinted with 300mg, PD 525

What are the possible side effects of methsuximide (Celontin)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Report any new or worsening symptoms to your doctor, such as: mood or behavior changes, anxiety, panic attacks, trouble sleeping, or if you feel impulsive, irritable, agitated, hostile, aggressive, restless, hyperactive (mentally or physically), depressed, or have thoughts about suicide or hurting yourself.

Call your doctor at once if you have a serious side effect such as:

  • signs of infection such as fever, chills, sore throat, flu symptoms, easy bruising or bleeding (nosebleeds, bleeding gums), mouth sores, feeling very weak or tired;
  • signs of liver damage, such as nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
  • joint pain or swelling with fever, swollen glands, muscle aches, chest pain;
  • patchy skin color, red spots, or a butterfly-shaped skin rash over your cheeks and nose (worsens in sunlight);
  • severe skin reaction -- fever, sore throat, swelling in your face or tongue, 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; or
  • worsening of seizures.

Less serious side effects may include:

  • diarrhea, constipation;
  • stomach pain, nausea, weight loss;
  • dizziness, drowsiness, nervousness, confusion;
  • headache;
  • blurred vision; or
  • loss of balance or coordination.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the Celontin (methsuximide) Side Effects Center for a complete guide to possible side effects

What is the most important information I should know about methsuximide (Celontin)?

Methsuximide can cause a decrease in many types of blood cells (white cells, red cells, platelets). Call your doctor at once if you have any unusual bleeding, weakness, or any signs of infection, even if these symptoms first occur after you have been using the medication for several months.

Methsuximide may also cause liver damage. Call your doctor if you have symptoms such as loss of appetite, stomach pain, or jaundice (yellowing of the skin or eyes).

You may have thoughts about suicide while taking this medication. Your doctor will need to check you at regular visits. Do not miss any scheduled appointments.

Report any new or worsening symptoms to your doctor, such as: mood or behavior changes, anxiety, panic attacks, trouble sleeping, or if you feel impulsive, irritable, agitated, hostile, aggressive, restless, hyperactive (mentally or physically), depressed, or have thoughts about suicide or hurting yourself.

Do not stop using methsuximide without first talking to your doctor, even if you feel fine. You may have increased seizures if you stop using methsuximide suddenly. You may need to use less and less before you stop the medication completely.

Contact your doctor if your seizures get worse or you have them more often while taking methsuximide.

Wear a medical alert tag or carry an ID card stating that you take methsuximide. Any doctor, dentist, or emergency medical care provider who treats you should know that you take seizure medication.

Side Effects Centers
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Celontin - User Reviews

Celontin User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Celontin sorted by most helpful. Patient Discussions FAQs

Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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