Diphenhydramine HCL is the same thing as diphenhydramine citrate.

Another question is: What does diphenhydramine citrate actually do?

Diphenhydramine, an antihistamine, is used to treat symptoms such as hay fever, allergy, and common cold. Itchy, watery eyes and itchy nose/nose/throat are some of the symptoms. It can also be used to treat motion sickness symptoms like nausea, vomiting, and dizziness.

Dogs can also be given diphenhydramine HCL. Diphenhydramine HCL is FDA approved for external use in cats and dogs. Diphenhydramine injectable and oral is not FDA-approved for use in veterinary medicine. However, it is common practice to administer this medication to cats and dogs . Dogs and cats usually receive 0.5-2mg/pound once every 8-12 hours.

Consider this: Is diphenhydramine hydrochloride equivalent to hydrocortisone?

While hydrocortisone is effective, Lipman prefers it for small itchy areas (silver-dollar-sized) and calamine or diphenhydramine (see below) for larger areas. Lerner states that an OTC hydrocortisone cream can be used for insect bites and contact allergy.

Do you feel diphenhydramine HCL25 mg makes you sleepy?

Side effects. Side effects include dizziness, constipation and stomach upset. These effects may persist or get worse, so consult your doctor immediately.