Description:
Ethosuximide is an anti-epileptic (anticonvulsant) medicine used primarily for the treatment of absence seizures (petit mal epilepsy) by reducing abnormal electrical activity in the brain.

Prescription:
Prescription-only medicine; to be used under medical supervision.

Dosage:
Typical adult and pediatric dose (children ≥6 years) starts at 250 mg twice daily; may be gradually increased to an effective dose (usually 20 mg/kg/day). Maximum daily dose is generally 1.5 g. Dosage must be individualized by a healthcare professional.

Therapeutic Category:
Anticonvulsant / Anti-epileptic.

Active Ingredients/Composition:

• Ethosuximide 250 mg (per capsule or per 5 mL if in liquid form). 

Variant:
Available in capsules and oral solution.

Consume Type:
Oral.

Directions/Usage:

• Take exactly as prescribed, usually in divided doses with food or milk to reduce stomach upset.
  
• Do not stop suddenly without medical advice.
  
• Regular blood monitoring may be recommended. 

Common Side Effects:

• Gastrointestinal upset (nausea, vomiting, stomach pain)
  
• Drowsiness, dizziness, fatigue
  
• Headache
  
• Loss of appetite
  
• Rare: blood disorders, mood changes, lupus-like symptoms.
  

Package Type:

• Blister packs for capsules 
• Bottles for oral solution. 

Storage Advice:

• Store below 25 °C in a dry place, away from light and moisture. 
• Keep out of reach of children. 

Safety Advice:

• Not to be used without confirmed diagnosis of absence seizures. 
• Avoid alcohol and activities requiring alertness until effects are known. 
• Report any unusual bleeding, persistent sore throat, or mood changes to a doctor immediately.
  
• Use with caution in patients with liver or kidney problems.
  

Product Substitutes:

• Zarontin® (Pfizer)
  
• Generic Ethosuximide capsules or syrup.
  

Manufacturer/Marketer:
Varies by brand; e.g., Pfizer (Zarontin) or other generic manufacturers.

Country of Origin:
Depends on brand; original formulation by Pfizer (USA).