Can I Give My Dog Phenergan For Anxiety

Wondering if it’s safe for your dog to take Phenergan or promethazine? The short answer is yes, read on to find out why, the correct dosage, and the side effects.

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Phenergan has been used for years in both humans and dogs to treat nausea, vomiting, allergic reactions, and even motion sickness. Sometimes it may be administered before surgeries or operations to help calm anxious canines.

While promethazine is safe for canines, ‌talk to your vet before dispensing. Canine suspension can differ from human recommendations. You never want to give your pup any medications you have in your cabinets like cyclobenzaprine, mucinex, or hydrocodone without certified veterinarian advice.

Dogs can safely take Phenergan with a veterinarian’s approval. This medication can be used to help dogs with things like anxiety or motion sickness, but it’s not designed to be used long-term.

What is the safe dosage of Phenergan for dogs?

Keep in mind that this dosage is only for reference purposes. To ensure that your dog is safe and sound, make sure you administer the dosage suggested by the veterinarian. The safe dosage of Phenergan is 1 mg of the medication for every 2lb.

It must be taken twice daily for most dog breeds. At times, a higher dosage is required for the dog to treat the ailment. However, this can also increase the risk factor. So, the key is to consult a veterinarian depending on the treatment objective.

Most dog owners tend to crush up the tablets & mix them with the daily dog food to ensure the pet gulps it down completely. However, make sure you don’t feed your dog Phenergan in case you lack medical knowledge and aren’t confident of the same. It applies to all other anti-histamines.

How Much Phenergan Can You Give Your Dog? Promethazine Dosage Instructions

The dosage really depends on why the medicine is being prescribed and how much your pup weighs. Your veterinarian will make personal recommendations, however, below are general guidelines.

As an antihistamine, general dosing by veterinarians is 1 milligram (mg) for every kilogram your pup weighs, twice daily. It is especially important for puppies and smaller breeds to be dosed correctly. Larger dogs can withstand a higher dose.

When used as an antiemetic (for nausea and vomiting/motion sickness), DVM 360 says that the dosage should be 0.2mg to 0.5mg/kg.

Do not administer over 2 tablets daily or before speaking to your veterinarian.

Phenergan: Harmful Interactions with other Drugs

Before you start your dog on Phenergan, you need to inform your veterinarian about any other medications that your pooch is being given. The reason being promethazine can interact negatively with other drugs like Hydroxyzine.

The possibilities of bad interactions compound amid the canines. That is why dogs are susceptible to complications. Dog’s internal organs tend to be smaller as compared to that of humans. That is why the reactions are multi-folded in dogs.

Although stated to be safe, the drug interaction factor can also make it equally dangerous.


How much Phenergan can you give a dog?

1mg for every 2 pounds, taken twice daily is the maximum Phenergan dose for most dogs. Sometimes a higher amount is needed, but the risks increase. Dosing should also depend on your treatment objective. Most owners crush up tablets and mix the contents in with regular dog food.

Can I use Phenergan on my dog?

Antihistamines (Phenergan, Zyrtec, Aerius).

Your pet can take antihistamines for life. Certain antihistamines, such as Phenergan can cause drowsiness, otherwise the side- effects are minimal.

Can I give promethazine to my dog?

Promethazine can be administered PO to dogs 0.2-0.5 mg/kg q 6-8 as an antiemetic and is generally used for the prevention of motion sickness.

What happens if a dog eats Phenergan?

This drug can be safe for use in dogs if doses properly. Unfortunately your dog received a large dose and may suffer some side effect such as vomiting, diarrhea, sedation, agitation, hyperactivity, hyperthermia, disorientation, anxiety, aggression, ataxia, respiratory depression, coma, and seizures.