Europe — EMA
Orfiril Long (Sodium Valproate)
GNH USA supplies Orfiril Long (Sodium Valproate), an anticonvulsant for generalized seizures, bipolar disorder and migraine prophylaxis.
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What is Sodium Valproate?
Sodium Valproate, the active ingredient in Orfiril Long, is an anticonvulsant presented as an extended‑release tablet for oral use. It treats generalized tonic‑clonic seizures, absence seizures, myoclonic seizures, bipolar disorder, and migraine prophylaxis in appropriate patients.
GNH USA supplies Orfiril Long as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.
What is Sodium Valproate used for?
Orfiril Long (sodium valproate) is used to manage several seizure types and related neurological conditions.
- Generalized tonic‑clonic seizures: reduces frequency and severity of convulsive episodes. - Absence seizures: controls brief loss‑of‑awareness episodes. - Myoclonic seizures: diminishes rapid jerking movements. - Bipolar disorder: stabilizes mood and prevents manic episodes. - Migraine prophylaxis: decreases frequency of migraine attacks.
What are the side effects of Sodium Valproate?
Adverse reactions may occur with sodium valproate therapy.
Common Side Effects: - Nausea or gastrointestinal upset. - Weight gain or increased appetite. - Tremor or mild coordination difficulties. - Hair thinning or loss. - Drowsiness or fatigue.
Serious or Rare Side Effects: - Acute liver failure or severe hepatitis. - Pancreatitis with abdominal pain and elevated enzymes. - Severe skin reactions such as Stevens‑Johnson syndrome. - Thrombocytopenia or significant drop in platelet count. - Hyperammonemic encephalopathy presenting with confusion.
What precautions apply to Sodium Valproate?
Careful monitoring and patient education are essential when using sodium valproate.
- Pregnancy: Category D – risk of fetal malformations; avoid unless essential. - Liver function: monitor hepatic enzymes regularly. - Blood counts: periodic CBC to detect thrombocytopenia. - Drug interactions: review concomitant medications for potential interactions. - Renal impairment: adjust dosing if required by prescriber. - Store at ambient temperature: keep below 25°C in the original container, protect from moisture.
What does Sodium Valproate interact with?
Sodium valproate may interact with several medicines; classification guides clinical decisions.
Major Interactions (Avoid): - Carbapenem antibiotics: markedly reduce valproate plasma levels. - Lamotrigine: increased risk of severe skin reactions. - Phenobarbital: additive central nervous system depression.
Moderate Interactions (Monitor Closely): - Aspirin: may affect platelet function. - Warfarin: potential enhancement of anticoagulant effect. - Oral contraceptives: may reduce contraceptive efficacy.



