Chemo Drugs manufactures Phenytoin Sodium Pharmaceutical Tablets. Chemo Drugs is an ISO 9001:2000 certified company. The Phenytoin Sodium Pharmaceutical Tablets is a commonly used antiepileptic. Phenytoin acts to suppress the abnormal brain activity seen in seizure by reducing electrical conductance among brain cells by stabilizing the inactive state of voltage gated sodium channels. Phenytoin Sodium Pharmaceutical Tablets are used in treatment of trigeminal neuralgia as well as certain cardiac arrhythmias.