May 30, - Patients across Australia are being warned to stop taking Valium after the drug's maker discovered evidence of tampering. Drug information on Valium (diazepam), includes drug pictures, side effects, drug interactions, directions for use, symptoms of overdose, and what to avoid. Jun 1, - “Roche, in consultation with the TGA and our distribution partner, Apotex, issued an Urgent Medicine Recall to retrieve all Valium 5mg tablets in.