Medically reviewed by Alex Yampolsky, PharmD Key Takeaways Hydroxyzine and Benadryl are both sedating antihistamines that help manage allergy symptoms.Hydroxyzine is only available with a prescription ...

If you’ve ever had allergies or an allergic reaction, you’ve likely turned to Benadryl for relief. Benadryl is an antihistamine that alleviates allergy symptoms including sneezing, runny nose, watery ...

What do Benadryl products treat? The main active ingredient in all Benadryl products is diphenhydramine. Diphenhydramine works to block a substance in your body called histamine. Benadryl products ...

Benadryl is safe to give your dog for allergies, anxiety, motion sickness, and vaccine side effects. Though a typical Benadryl pill is 25 mg, you should only give your dog 0.9-1.8 mg per pound of ...

Benadryl can cause certain side effects, some of which are more common than others. These side effects may be temporary, lasting a few days to weeks. However, if the side effects last longer than that ...

Benadryl (diphenhydramine) is an over-the-counter (OTC) antihistamine that is commonly used to treat allergy symptoms, like sneezing, itching, and hives (rashes), motion sickness, and even difficulty ...