Diastat ( Diazepam Rectal Gel ): Prescribing information for this FDA-approved at-home medication for the treatment of cluster seizures, also known as acute repetitive seizures.Diazepam: T-Quil, Valium (from Internet Mental Health).Diazepam: Information from the RxList on the pharmacology of the injected form.Diazepam ( T-Quil, Valrelease, Valium): Diazepam is an antianxiety agent (benzodiazepines) used primarily for short-term relief of mild to moderate anxiety.Diazepam - DrugDigest: Brief Patient FAQ.