Which antihistamine is best for horses?

Oral pyrilamine maleate and tripelennamine are found in some over the counter commercial antihistamines. These are usually granular or powdered, intended to be given mixed with feed. These products have some use in preventative maintenance for horses with low grade allergies or allergic components of disease.

What antihistamines are safe for horses?

Over the counter diphenhydramine (Benadryl) or comparable antihistamines can be used in an emergency for horses with severe hypersensitivity or allergy.

What can you give a horse for allergies?

Your veterinarian can prescribe several medications to calm an allergic response. Dexamethasone or other corticosteroids are effective for treating severe reactions. If your horse is only moderately itchy or has hives, antihistamines can be useful.

How much cetirizine do you give a horse?

It is concluded that cetirizine in doses of 0.2-0.4 mg/kg bw administered at 12 h intervals exhibits favourable pharmacokinetic and pharmacodynamic properties without causing visible side effects, and the drug may therefore be a useful antihistamine in equine medicine.

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What is the best allergy medicine for horses?

Allergies in Horses

  • Cetirizine Oral Powder.
  • Cetirizine, Hydroxyzine Oral Powder.
  • Hydroxyzine Oral Paste.
  • Hydroxyzine Oral Powder.
  • Pyrilamine Oral Powder.
  • Tripelennamine Injection Solution.
  • Cetirizine Oral Oil Suspension.
  • Cetirizine Oral Oil Suspension.

Can I give my horse Claritin?

Horses can take Claritin, too. Okay, they do better on Zyrtec, but whatever. These treatments are aimed at reducing the entire body’s allergic response, but, as you humans know, there can be side effects. The most common side effect is drowsiness.

Can horses have allergic reactions?

Allergic reactions can be triggered in horses by many things–environmental allergens such as dust, pollen, and mold; insect bites; substances in feeds; things put on or touched by the horse; or injections.

Can I give my horse human antihistamines?

They are generally considered safe, but are of questionable value. Extra-label use of human antihistamines is also common in equine practice. Examples of these medications include hydroxyzine, diphenhydramine (Benadryl) and cetirizine, among many others.

How can I help my horse with allergies?

What are the treatments?

  1. Immunotherapy. Also known as allergy shots, this treatment involves exposing you to small doses of horse allergens to allow your body to adjust. …
  2. Antihistamines. …
  3. Inhalers. …
  4. EpiPen: People who have anaphylactic reactions to horses may need to carry an epinephrine pen or EpiPen.


Why does my horse have welts?

They often develop and disappear suddenly. The most common causes of hives in horses are insect bites or stings, medications, and exposure to allergens. Other potential causes include vasculitis (inflammation of the blood vessels of the skin), food allergy, ringworm, and pemphigus foliaceus.

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Does cetirizine have antihistamine?

Cetirizine is an antihistamine medicine that relieves the symptoms of allergies. It’s used to treat: hay fever.

What is hydroxyzine used for in horses?

Hydroxyzine HCL is used to treat hives and itchy or bumpy allergic skin reactions in horses. It may be given orally or intramuscularly.

What is generic for Zyrtec?

Generic Name: cetirizine

Cetirizine is an antihistamine used to relieve allergy symptoms such as watery eyes, runny nose, itching eyes/nose, sneezing, hives, and itching.

What can I give my horse for hives?

In more severe cases, treatment may be indicated with epinephrine and corticosteroids.” Although antihistamines don’t seem to work very well for acute hives, an antihistamine like hydroxyzine might limit the allergic response.

Can horses cough from allergies?

The most common types of allergic reactions in horses show up in the skin or respiratory system. In the skin, you may notice your horse vigorously itching an area or overcome with hives. For a respiratory reaction, your horse may begin coughing, sneezing or wheezing, but without nasal discharge.

Can horses be allergic to grass?

Weeds and grasses, along with insects, cause the most trouble for horses, Dr. Rees says. Common environmental allergens include molds and dust mites as well as pollen from cocklebur, ragweed and various other plants.

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