Can I give my 5 pound dog Benadryl?
Benadryl dosage for dogs. According to the Merck Veterinary Manual, the safe dosage is 2-4 milligrams of medication per kilogram of weight, or 0.9 to 1.8 milligrams per pound. This amount can be administered two to three times daily, depending on your dog’s symptoms.
How much Benadryl can a 5 pound dog have?

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.
Will Benadryl make my dog sleepy?
One of the side effects of Benadryl is drowsiness, which helps to calm anxious dogs. The Merck Veterinary Manual states that diphenhydramine may relieve symptoms of mild-to-moderate anxiety in pets associated with travel.

How long does Benadryl stay in a dog’s system?
It usually takes 24 hours for Benadryl to wear off and stop working. However, for dogs with liver or kidney disease, the effects can last longer. Always talk to your veterinarian before giving Benadryl, especially if your dog has chronic liver, kidney, or heart problems.
Can dogs overdose on Benadryl?
Toxicity resulting from a large ingestion of a product like Benadryl is caused by the overconsumption of ingredients in the antihistamine. Safe under normal circumstances, the overdose of products that cause effects like drowsiness, muscle tremors, and agitation can be dangerous for your pet, leading to poisoning.
How many mg of Benadryl can you give a 25 pound dog?
Most drug store diphenhydramine tablets are 25 mg, which is the size used for a 25 pound dog. Always double check the dosage before giving an over the counter medication. In addition, many formulations are combined with other medications such as Tylenol so make sure Benadryl tablets contain only diphenhydramine.
What can I give my Dog instead of Benadryl?
Alternatives to Benadryl for dogs. If your dog reacts poorly to Benadryl but needs regular allergy treatment for a seasonal allergy, there are some alternatives you can use. Both cetirizine (Zyrtec) and loratadine (Claritin) are considered safe for dogs in the right dosage.
How long does it take for Benadryl to work for dogs?
Benadryl typically takes 30 minutes to start working, so plan accordingly if you plan on using it to treat anxiety or mild motion sickness. For dogs with chronic allergies or conditions that require daily doses, consult your veterinarian about the appropriate dosage, as it may change over time.
Can you give a dog Benadryl for motion sickness?
Benadryl has some efficacy in the prevention of motion sickness in dogs and as a mild sedative, but the effects are not the same as with people.
How much Benadryl does a 5 pound dog need?
That means that a 5-pound dog needs 4 mL of this lower-strength Benadryl, a 10-pound dog needs 8 mL, a 15-pound dog needs 12 mL, and a 20-pound dog requires 16 mL of liquid Benadryl.
Benadryl typically takes 30 minutes to start working, so plan accordingly if you plan on using it to treat anxiety or mild motion sickness. For dogs with chronic allergies or conditions that require daily doses, consult your veterinarian about the appropriate dosage, as it may change over time.
When to give Benadryl to a dog with motion sickness?
Dogs that suffer from motion sickness while traveling can also benefit from Benadryl. It can reduce nausea related to motion sickness. Even a short trip to the dog park or veterinarian can become less stressful if you give your dog Benadryl first. How often should I give my dog Benadryl?
Can you give a dog over the counter Benadryl?
While you should never give your pup medication without being advised by your vet, there are a few over-the-counter drugs, marketed to humans, that your canine may benefit from in certain instances. If you are looking for the correct dosage of Benadryl to give your dog, we found a great infographic from Dog Health Coach.