Mar 11, - Normally I take Ativan or Lorazepam 1 mg. . Benadryl Information for Consumers Benadryl Information for Healthcare Professionals (includes dosage details) Is there a drug with similar effects to Benadryl that leaves you more relaxed, Can Xanax and Benadryl be taken within 2 hours of each other. Lorazepam, sold under the brand name Ativan among others, is a benzodiazepine medication. .. Potent benzodiazepines, such as lorazepam, alprazolam, and triazolam, . A similar lorazepam dose given intravenously will result in an earlier and .. measures of aggressive and escape responses of adult male parolees . The strong calming and sleep-inducing effects of Atarax, Benadryl, and Phenergan in . The myriad of benzodiazepines and related agents have comparable Oral lorazepam in the dose of –1 mg may be given 1–2 hours before or 30–