Antihistamines with the active ingredients of diphenhydramine, chlorpheniramine, cetirizine, clemastine or loratadine are usually safe for most healthy adult dogs. Hydroxyzine is another dog-safe antihistamine and one of the most effective available, but it's only available on prescription.
Compared to Piriton, for dogs, when they have allergies, Apoquel may be more suitable. You should ask your veterinarian about this possibility. Many factors can cause allergies in a dog, including environmental sensitivity. If you know the factors, you can help a lot and avoid using Piriton in your canine.
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 two to three times a day.
Piriton has chlorpheniramine as its main active ingredient, and it's generally safe for dogs. However, the active ingredient in Piriteze is cetirizine hydrochloride. Cetirizine hydrochloride is not safe for pets, so it's better to air on the side of caution and give them Piriton, which vets generally recommend.
Piriton is a popular antihistamine for dogs that can help relieve allergic reactions such as hayfever, insect bites and more. These afflictions can cause your dog a lot of distress, making them irritable, anxious and badly behaved. Plus, no one likes to see their companion facing such hardship.
How long does Piriton take to work in dogs? According to Dogs Barn, you should notice some improvement within 24 hours of giving Piriton to your dog. While you may notice your dog feeling a little drowsy at first, this is completely normal and is nothing to worry about.
Antihistamines. Diphenhydramine (Benadryl®), cetirizine (Zyrtec®), and loratadine (Claritin®) are commonly used antihistamines that relieve allergy symptoms or counteract allergic reactions. Antihistamines are usually safe but can make some dogs drowsy and others hyperactive.
Antihistamines are commonly used to treat dog allergies. Their histamine-blocking quality tackles airborne allergens and reduces symptoms in your pup. The safest over-the-counter options for your dog include Benadryl, Zyrtec, Claritin, and Allegra.
As a rule a typical dose prescribed is between 0.2 to 0.8 mg of Piriton tablets per kg of their body weight, typically once every 8 to 12 hours or up to three times daily.
Chlorphenamine (Piriton) Other brand names: Allerief, Hayleve, Pollenase.
Cetirizine (Zyrtec®, Reactine®) is an antihistamine used to treat and prevent pruritus (itching) associated with atopic dermatitis, urticaria (hives), and insect bite reactions in cats and dogs.
Your veterinarian can prescribe diphenhydramine capsules for dogs. It's best to avoid using liquid Benadryl if it contains sodium, which can cause other side effects. Also, avoid any form of Benadryl that contains alcohol. Your vet can prescribe diphenhydramine liquid for dogs.
If an antihistamine has an additional active ingredient, like pseudoephedrine, your pet may experience severe hyperactivity, hallucinations and even seizures. Because it does not take much of this ingredient to become detrimental, exposures can be life-threatening.
It is recommended to give your dog 0.5mg per pound of body weight. You can safely give Zyrtec to your dog up to 20 mg per day. It should only be administered orally.
Claritin is particularly recommended for dogs with skin allergies but will help with skin inflammations caused by different factors. It can even help to decrease the response to insect bites.
Paracetamol is a very popular painkiller in humans, however it can be toxic or fatal in small animals. Dogs are less sensitive to paracetamol than cats. A 20kg dog would need to ingest over seven 500mg tablets in order to suffer toxic effects.
"Paracetamol is licensed in dogs as Pardale V for 5 days. The dose in Pardale V works out at 33mg of paracetamol for every kg of body weight, three times daily. The listed dose in most vet formularies is 10mg/kg twice to three times daily," Nick explains.
The main active ingredient in piriton is chlorpheniramine which is generally safe for dogs, but other brands may have cetirizine hydrochloride which isn't as safe for your pet.
Claritin and Zyrtec are popular over-the-counter antihistamines. Doctors consider them safe and effective treatments for minor allergies. Both are second-generation antihistamines. These cause less drowsiness than first-generation antihistamines.
The typical dosage schedule for antihistamines in dogs is every 8-12 hours, with the exception of cetirizine and loratadine, which are every 24 hours. Medications are dosed based on milligrams (mg) of antihistamine per patient weight in kilograms, i.e. mg/kg.
The tablet can be divided into equal doses. Adults and children aged 12 years and over: Take one tablet every 4 to 6 hours as needed. Do not take more than 6 tablets in 24 hours.
Active ingredient: Each tablet contains 4mg of chlorphenamine maleate. Other ingredients: Lactose, maize starch, yellow iron oxide (E172), magnesium stearate and water. Piriton Tablets are supplied in blister packs of 30 tablets.
Antihistamines help to control itching in approximately 1/4 to 1/3 of dogs with skin allergies, especially if started when skin itch is still mild and if used with Omega-3 Fatty Acids (see below). They are inexpensive, readily available as over-the-counter medications, and generally free of side effects.