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Can Dogs Have Benadryl?

Can Dogs Have Benadryl?

If your dog is suffering from seasonal allergies or anxiety, clearly all you want to do as their owner is help them. Many owners will consider giving their dogs different medications, and Benadryl seems to be a widely popular one. But can dogs have Benadryl? And if so, how much?

Benadryl is one of the few over-the-counter drugs that vets recommend for owners to have at home all the time. It’s also known by it’s generic name – diphenhydramine.

Benadryl is well tolerated by dogs, and it’s widely considered to be safe. But how to know it it’s the right choice for your dog?

As safe as Benadryl is, side effects are still possible. Especially if your dog is using other medications such as anticoagulants. So before you give your dog Benadryl, here are some things to keep in mind.

Can dogs have Benadryl for anxiety?

Benadryl can be very successful when it comes to treating travel or separation anxiety in dogs. It also helps with anxiety caused by fireworks or thunder. But you shouldn’t give it to your dog before discussing it with your veterinarian, as it won’t work for all dogs.

Some dogs might even have an opposite reaction to Benadryl. Instead calm, your dog might start acting hyperactive. Discuss with your vet if Benadryl is the best option for you and your dog.

Can dogs take Benadryl for allergies?

Besides anxiety, Benadryl is also great for treating allergies. Benadryl works as an antihistamine and blocks the H-1 receptors. It helps with mild allergies if your dog takes it orally.

Benadryl is commonly used by vets to treat environmental allergies. Also for different allergic reactions such as insect bites and stings.

However, it clearly doesn’t work for severe allergic reactions. If your dog is experiencing swelling or trouble breathing, take him to the vet immediately.

Which dogs can’t it?

Even though it’s considered to be safe, Benadryl can cause different side-effects in some dogs. Especially so if your dog has some pre-existing conditions.

Some of them include:

  • Glaucoma
  • Pregnancy
  • Low blood pressure
  • Cardiac conditions

If your dog has any of these conditions, always make sure to discuss it with your vet first. Also, the same rule applies for any other pre-existing conditions.

What are the possible side effects?

Possible side effects of Benadryl include:

  • Drowsiness
  • Dizziness
  • Extra Heartbeats
  • Low Blood Pressure
  • Hallucinations
  • Seizures
  • Confusion
  • Over Excitement
  • Nightmares
  • Double Vision
  • Blurred Vision
  • Dry Mouth
  • Constipation

How many Benadryl can I give my dog?

The safest way is to discuss the proper dose with your vet. But if for any reason you have to self-medicate, 1 mg per pound of body weight is the standard dosage. Most of the pills are 25 mg, therefore one pill is used for a 25-pound dog.

If you own a puppy or a smaller size dog, consider getting the children’s formula of Benadryl. It will be easier to measure, as it contains less mg.

You can give Benadryl to your dog every eight to twelve hours, so about two to three times per day. Don’t use it too often, as your dog could build up a tolerance to it.

Always follow the guidelines, as it’s also possible for dogs to overdose on Benadryl.

Symptoms of overdosing include:

  • Rapid heart rate
  • Dilated pupils
  • Agitation
  • Constipation
  • Seizures