How Much Benadryl for Dogs

How Much Benadryl for Dogs

As a caregiver, you might often find yourself in situations where your furry friend might require a dose of medicine. One such common medication given to dogs is Benadryl. But the question is, how much Benadryl is safe for dogs? Let’s delve into it.

Understanding Benadryl

Benadryl is a brand name for an antihistamine (diphenhydramine) which is often used to treat allergies, insomnia, motion sickness, and other conditions. It’s also commonly used for dogs, but it’s crucial to know the correct dosage.

Dosage Guidelines

As a rule of thumb, the general dosage guideline for dogs is 1mg of Benadryl for every 1lb of body weight. This dosage is typically administered 2-3 times a day, about 8-12 hours apart. However, this is a general guide and the dosage may vary depending on the dog’s health condition and the severity of their symptoms. Always consult with a vet before administering medication to your pet.

Possible Side Effects

Like any medication, Benadryl can have side effects. Your dog might feel:

  • Drowsiness
  • Dry mouth
  • Urinary retention
  • Increased heart rate
  • Rapid breathing

If you notice any severe reactions, like difficulty breathing or seizures, seek veterinary help immediately.

When Not to Use Benadryl

There are certain conditions when Benadryl should not be administered to your dog. Avoid using this medication if your dog has:

  • Glaucoma
  • High blood pressure
  • Cardiovascular disease
  • Allergy to the drug


1. Can I give my dog Benadryl for anxiety?

Yes, Benadryl is often administered to dogs to help with anxiety and motion sickness. However, always consult with your vet first.

2. How often can I give my dog Benadryl?

Typically, Benadryl can be given to your dog every 8-12 hours.

3. Can puppies have Benadryl?

Unless directed by a vet, it’s best to avoid giving puppies any medication.

4. Are there natural alternatives to Benadryl?

Yes, some natural alternatives to Benadryl include chamomile, oat baths, and certain essential oils.

Remember, as a caregiver, the safety of your pet should always be your top priority. Always consult with a vet before administering any medication.