Benadryl for Dogs







Benadryl for Dogs

Benadryl - Dogs - Benadryl - or diphenhydramine - is an antihistamine. It has been around for a very long time, and it has survived the test, often out performing newer antihistamines.

Benadryl for Dogs - Cautions

Benadryl should not be used in pregnant or nursing animals. Do not use the diphenhydramine available in combination with sinus or cold medicines in your dog.

Benadryl - Dogs - Benefits

  • Insect/flea bites


  • Skin irritation


  • Anxiety and Insomnia in dogs


  • Vaccination reactions


  • Eye/ear infections


  • Wasp/bee/hornet stings


  • Bites from some reptiles


  • Asthma, as well as inhalant allergies


  • Hay fever, runny/stuffy nose, and coughing/sneezing


  • Muscle tremors


  • Irritation at the dog's tail base


  • Bodilylumps with fluid

Benadryl - Dogs - How it works

Diphenhydramine comes in 25mg minitabs or 50mg capsules, and is a generic version of Benadryl. As an antihistamine, it counteracts the effect of histamine, which causes symptoms like itching and sneezing.

Benadryl for Dogs

  • Benadryl (Diphenhydramine) should not be administered to dogs with certain conditions: cardiovascular disease, glaucoma, prostatic disease, and hyperthyroidism


  • Benadryl (Diphenhydramine) may not be appropriate for a puppy. If you do have a puppy, please be sure to consult with your veterinarian first


  • Only the pure med is safe for dogs, where the active ingredient is only Diphenhydramine. The Decongestant or Colds/Sinus versions aren't acceptable


  • Liquid Benadryl is high in alcohol content and is not safe for most dogs


  • Children's Benadryl may be alcohol and sugar free; however, it contains sodium, and this could be detrimental to dogs with certain health concerns


  • It shouldn't be used simultaneously with decongestants and painkillers. It can also interact with other medicines, and possibly be fatal. Should your pet be taking any other types of medication - it's important that you first ask your veterinarian about using Benadryl. Generally, Diphenhydramine is considered safe for your pet when taking flea and heartworm tablets, as well as steroids.


  • It's extremely important that the prescribed dosage is not exceeded

Side Effects of Benadryl (Diphenhydramine) in Dogs

Side-effects include: drowsiness and mild disorientation. Also may include: dry mouth, diarrhea, vomiting, urinary retention, agitation, problems breathing, or lack of appetite. Some of the side effects may be prevented. To prevent your dog from vomiting, give the medication with food. And to prevent appetite disturbances, feed your dog before administering the medication. In case of any side effects, contact a veterinarian.



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