Sodium

Phenytoin sodium 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. Aside from seizures, it is an option in the treatment of trigeminal neuralgia as well as certain cardiac arrhythmias

A β-lactamase inhibitor used as the sodium salt to increase the antibacterial activity of penicillins and cephalosporins against β-lactamase–producing organisms.

Sulfacetamide is a sulfonamide antibiotic.Sulfacetamide 10% topical lotion, sold under the brand name Klaron or Ovace, is approved for the treatment of acne and seborrheic dermatitis.