Benadryl is an over-the-counter medicine that can be given to dogs. Can Benadryl Give Dogs Diarrhea? If you have questions or concerns about flavored medications for your dog, share these with your vet. Zyrtec-D contains the active ingredient pseudoephedrine, which can be incredibly harmful to dogs and can cause high blood pressure, seizures, and even death. This is usually used for motion sickness but also causes drowsiness like the benadryl. Standard Zyrtec and generic Zyrtec contain the active ingredient cetirizine, which veterinarians deem safe when administered appropriately. As you can see in the dosage chart, for every 1 lb of your dog’s weight, you can give 1mg of Benadryl. So, if Benadryl doesn’t work for an itchy dog after using it for 14 days I would … A dog’s cough can be indicative of serious disease. However, if you’re mainly giving Benadryl to your dog for sleeping, we recommend reducing the dosage by half to be safe. This antihistamine can be purchased as tablets, capsules, liquid gels and even liquid in multiple strengths or milligrams depending on your needs. Benadryl for dogs is a safe option to turn to when your dog is dealing with allergies or itchy skin. Another alternative is dramamine, which is sold over the counter. I am not sure how big your cats are but ask the vet if you can cut up benadryl tablets and dose them that way. If you have a 15 lb dog, then you can give 15mg of Benadryl. Learn more about safe dosages. Since there is no real grape … Doing What is Best for Your Dog. To ease our dogs’ discomfort and allergy symptoms, many veterinarians are recommending, even prescribing, certain human over-the-counter antihistimines as a safe, effective treatment […] Good luck. Benadryl is an over-the-counter antihistamine medication, so it does not require a prescription. However, dogs can cough for other reasons: dust or allergens in the air, kennel cough or a collapsed trachea. And the concentration is 12.5 mg in 5 ml. Diphenhydramine, the most common active ingredient, is an H 1 antagonist, which means it helps to prevent the uptake of histamine (a type of substance responsible for allergic reactions) by receptors in the body. If you do choose to give these medications to your dog, just remember that you have to be very careful with storage. Your dog needs to take their medicine; flavoring can … I have not found antihistamines to be very good at controlling the itchy dog, as there are many things that can cause a dog to be itchy and histamine release is only one pathway. Cats usually do not like any flavored medication--they will drool etc. Most owners of a dog with allergies – either seasonal, food, or environmental – are all too familiar with the redness, itching, and discomfort that our dogs can experience during a flare-up. In such cases, an over-the-counter cough suppressant may be appropriate to control or to prevent coughing. 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