Dixie EMS Medical Supplies ems supplies, ems products, medical supplies, emt supplies, first aid supplies, bandages, diagnostic equipment, Immobilization, iv supplies, medical bags and kits, medical education and training, oxygen and resuscitation, pharmaceuticals Diphenhydramine (Benadryl) 50mg/ml - 1ml Vial. $1.99. This item requires a Prescription Drug Authorization Form on file. Quantity. Add to Your List. MediTAC. SKU: 101800-Parent.