| Availability: Over the Counter
Diphenhydramine HCL 50 mg, 100 Capsules blocks histamine in dogs and cats, which is a substance that causes itching and swelling in response to allergic reactions. Diphenhydramine eases the symptoms of allergies and bug bites and stings.
Good for dogs with allergies or car sickness
I have dogs that weigh 50+ lbs and have to give 2 of the regular diphenhydramine (25mg) at a time. These are much more convenient in that I can now give just one instead of two every time. They are a big help with a dog that was having allergies when everything started growing & blooming and had to have them every 6 hrs. I also have another that gets carsick but he doesn't if I give him these before taking him anywhere. The only disappointment was that they still have to be given every 4-6 hrs - they aren't time release to last longer. I was really hoping for something to get my itchy one through the night without giving them at 3 am.
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