How Much Diphenhydramine Can I Give To My Dog?

by | Last updated on January 24, 2024

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Official Answer. The general dose of Benadryl (diphenhydramine) is

2 to 4 mg/kg up to three times day

. If your dog weighs 25 lbs (11.3 kg) the dose of Benadryl would be 22.6mg to 45.2mg up to three times a day. Benadryl tablets are available in 25mg and 50mg strength.

Can I give my dog 25 mg diphenhydramine?

Benadryl, or diphenhydramine, is an antihistamine that helps relieve the symptoms of allergies in both humans and animals. It can also be used to relieve the symptoms of motion sickness if a dog needs to be transported long distances.

For most dogs, the appropriate dosage of Benadryl is perfectly safe

.

Can you give your dog too much diphenhydramine?

Overdose.

An overdose can be fatal

. If your dog eats too much Benadryl, call the emergency vet or poison control hotline at (888) 426-4435 right away. Symptoms of overdose include dilated pupils, constipation, rapid heartbeat, behavioral changes, and seizures.

How much diphenhydramine can I give my dog per pound?

Benadryl Tablets

According to the Merck Veterinary Manual, the standard dose for Benadryl is 2-4 milligrams per kilogram of body weight, or

0.9-1.8 milligrams (mg) of Benadryl per pound

. Therefore, a simple and practical dose is 1 mg of Benadryl per pound of your dog’s weight, given 2-3 times a day.

Can you give a dog Benadryl for itching?


Benadryl is a great medication for use in dogs with mild-to-moderate allergies

. Seasonal allergies, food allergies, environmental allergies, and allergic reactions to snake and insect bites all respond to Benadryl in most cases.

Will Benadryl make a dog sleepy?


The side effects of Benadryl in dogs are similar to the side effects humans might experience with the drug. These include sleepiness, dry mouth, sluggishness, or urinary retention

.

How much Benadryl can a 30 pound dog have?

Very Small Dogs (4-10 pounds): 1/4 tablet Small Dogs (10-20 pounds): 1/2 tablet Medium Dogs (20-30 pounds):

1 tablet
Larger dogs: 1 tablet per 25 pounds body weight

What can I give my dog to calm him down?

Your vet might recommend

antidepressant medication

for your pup that can greatly reduce their anxiety. Antidepressants — such as amitriptyline or fluoxetine (Prozac) — can be prescribed for dogs with severe anxiety. Sometimes vets will prescribe sedatives for dogs who experience situational anxiety.

Can I give my dog half a Benadryl?


If your dog’s weight is in between a multiple of 25, you can break tablets in half to get the right dosage

. Children’s liquid Benadryl can be used for small dogs using the same dosage. Avoid the adult formula of liquid Benadryl, as this often contains alcohol, which is toxic to dogs.

What can you give a dog for severe itching?

  • Coconut oil.
  • Oatmeal baths.
  • Apple cider vinegar and water mix.
  • Chamomile and green tea soak.
  • Baking soda and water paste.
  • Aloe vera gel.

How much children’s Benadryl can I give my 60 lb dog?

Max Dose (every 8-12 hours) Max Dose (every 8-12 hours) Dog Weight Tablet (mg) Children’s Liquid (ml) 50 lbs – 60 lbs 50 mg – 60 mg 20 ml – 24 ml 60 lbs – 70 lbs

60 mg – 70 mg


24 ml – 28 ml
70 lbs – 80 lbs 70 mg – 80 mg 28 ml – 32 ml

How much Benadryl can a 5 pound dog have?

The calculation for Benadryl is quite simple, it just 1mg per lb , so for a 5 lb dog it would be

around 5mg

. Since Benadryl comes in 25mg usually this is close to 1/4 tablet and there is a wide safety margin for Benadryl so 1 or 2 mg above or below is well tolerated. Expect some drowsiness just like in humans.

Which antihistamine is best for dogs?

Also recommended as an antihistamine for dogs is

clemastine fumarate

. It is one of the most effective antihistamines for dogs that suffer from itchy skin.

How long does it take for Benadryl to work in dogs?

Benadryl or Diphenhydramine is typically thought to be a fast-acting medication for dogs. You can expect it to take effect in

1 to 2 hours

but often times it will begin to work in under an hour.

How much Benadryl can you give a 10lb dog?

Official Answer. The general dose of Benadryl (diphenhydramine) is

2 to 4 mg/kg up to three times day

. If your dog weighs 25 lbs (11.3 kg) the dose of Benadryl would be 22.6mg to 45.2mg up to three times a day. Benadryl tablets are available in 25mg and 50mg strength.

How do I euthanize my dog at home with Benadryl?

Generally, dogs take

1 mg of Benadryl per pound of body weight two to three times a day

. This means that a 25-pound dog will take one 25 mg Benadryl tablet up to three times a day, as recommended by your veterinarian.

Can I give my dog Benadryl for anxiety?

It’s true that Benadryl may alleviate symptoms for some dogs, but the sedative effects are mild and not nearly as pronounced in dogs as they are in people. So overall,

Benadryl is not commonly helpful for dogs struggling with anxiety or phobias

.

Can dogs take Benadryl daily?

Benadryl For Dogs: Dosage By Weight

“The standard dosage for oral Benadryl is

1 mg per pound of body weight, given 2-3 times a day

. Most drug store diphenhydramine tablets are 25 mg, which is the size used for a 25 pound dog.

Can you give a dog Xanax and Benadryl?

Zylkene has no known drug interactions which means

it’s very likely safe to use alongside medicines such as Benadryl or Xanax if you need an extra boost, but always check with the vet first

.

What is a natural sedative for a dog?

Natural sedatives for dogs, like Rescue Remedy, are usually

made from herb and flower extracts such a chamomile and lavender

. Pheromones and calming products are also natural ways to soothe an anxious dog.

What is a good sedative for dogs?


Trazodone

. Trazodone can both sedate a dog and relieve anxiety. This is a good dog sedative for grooming, veterinary visits, thunderstorms/fireworks, and other short-term stressful events. Side effects include low blood pressure, so trazodone may be used cautiously or avoided in patients with certain health conditions.

Sophia Kim
Author
Sophia Kim
Sophia Kim is a food writer with a passion for cooking and entertaining. She has worked in various restaurants and catering companies, and has written for several food publications. Sophia's expertise in cooking and entertaining will help you create memorable meals and events.