Diphenhydramine is ideally processed in a clean and advanced infrastructure premises. This medication is able to treat various allergies which is caused in body. It is directly used by mouth or injected through vein. It is used to give relive form fever, cold, sneezing and itchiness in eyes. Diphenhydramine is helpful to prevent from motion sickness, insomnia and much more. It is available in various types of packaging as per the demands of users.