Petnidan
Petnidan contains the active substance ethosuximide, an anticonvulsant drug of the succinimide class. It is primarily indicated for the treatment of absence seizures (petit mal epilepsy) in adults, adolescents, and children. It works by reducing abnormal electrical activity in the brain.
Dosage by Body Weight
Dosage must be adjusted individually by a physician based on clinical response and tolerability. Typically initiated at a low dose (approx. 15 mg/kg/day) and increased gradually every 4 to 7 days. Total daily dosage is usually split into 2 doses, taken during or after meals to reduce gastrointestinal side effects.
- Body Weight
- Below 5 kg
- Dose
- Not routinely recommended
- Frequency
- Use only if prescribed by specialist
- Tracking Notes
- Safety and efficacy in infants under 5 kg have not been established. Strictly follow specialist guidance.
- Body Weight
- 5-7 kg
- Dose
- 75 mg to 100 mg daily
- Frequency
- Divided into 1 to 2 doses
- Tracking Notes
- Oral solution is required for accurate dosing in this weight class. Start low and titrate slowly.
- Body Weight
- 8-10 kg
- Dose
- 100 mg to 150 mg daily
- Frequency
- Divided into 1 to 2 doses
- Tracking Notes
- Monitor clinical response. Titration should be guided by seizure frequency and potential side effects.
- Body Weight
- 11-15 kg
- Dose
- 150 mg to 250 mg daily
- Frequency
- Divided into 1 to 2 doses
- Tracking Notes
- Adjust doses in small increments. Standard maintenance dose is around 20 mg/kg daily.
- Body Weight
- 16-20 kg
- Dose
- 250 mg to 300 mg daily
- Frequency
- Divided into 1 to 2 doses
- Tracking Notes
- Can utilize capsules (250 mg) or oral solution. Regular monitoring of blood counts and liver enzymes is recommended.
| Body Weight | Dose | Frequency | Tracking Notes |
|---|---|---|---|
| Below 5 kg | Not routinely recommended | Use only if prescribed by specialist | Safety and efficacy in infants under 5 kg have not been established. Strictly follow specialist guidance. |
| 5-7 kg | 75 mg to 100 mg daily | Divided into 1 to 2 doses | Oral solution is required for accurate dosing in this weight class. Start low and titrate slowly. |
| 8-10 kg | 100 mg to 150 mg daily | Divided into 1 to 2 doses | Monitor clinical response. Titration should be guided by seizure frequency and potential side effects. |
| 11-15 kg | 150 mg to 250 mg daily | Divided into 1 to 2 doses | Adjust doses in small increments. Standard maintenance dose is around 20 mg/kg daily. |
| 16-20 kg | 250 mg to 300 mg daily | Divided into 1 to 2 doses | Can utilize capsules (250 mg) or oral solution. Regular monitoring of blood counts and liver enzymes is recommended. |
Formulation
Purpose
Treatment of absence seizures (petit mal) and myoclonic-astatic petit mal epilepsy.
Generic Name
EthosuximideScheduled Drug
No. This medicine is generally not treated as a scheduled/prescription-only drug in common consumer references, but local rules may vary.