Diphenhydramine HCl Injection provides rapid antihistamine relief for allergic reactions and related conditions. Each single-dose vial contains 50 mg/mL in 1 mL volume, suitable for intramuscular or intravenous administration. Sterile formulation ensures safety and efficacy in emergency and clinical settings. Box of 25 vials offers convenient inventory management for hospitals, urgent care facilities, and emergency departments. Non-returnable pharmaceutical product meets strict quality standards for immediate therapeutic response.