Clemastine 2.68mg
Clemastine 2.68mg
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At a Glance
Effective allergy-symptom relief for your cat or dog
Fewer side effects than other similar medications
Convenient tablet form

Clemastine 2.68mg

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At a Glance
Effective allergy-symptom relief for your cat or dog
Fewer side effects than other similar medications
Convenient tablet form

Frequently Bought Together

Total Price

Clemastine is a prescription antihistamine used to treat your pet's allergy symptoms, such as itching, sneezing, and watery eyes. By preventing or eliminating the symptoms that cause your pet to scratch and rub, you can help keep them comfortable and free of infection. Clemastine has fewer side effects than other similar medications. While it is not a cure for allergies, it can help to reduce the symptoms.

Clemastine fumarate belongs to the ethanolamine group of antihistamines, which are commonly used for the treatment of allergy. It is a H1 Blocker that prevents the action of histamine on body tissues thereby bringing relief to itching and allergic conditions. Clemastine fumarate is found to be very effective for pruritus in dogs and could be used along with other anti-inflammatory drugs to enhance its efficacy. Clemastine fumarate is probably the most reliable antihistamines for the treatment of itchy skins in dogs. This drug is registered for exclusive use in humans, however many vets use Clemastine fumarate as an extra label medicine.


Clemastine fumarate should not be used in animals that are hypersensitive to it. Special care is required while administering this medication in animals with known prostate and bladder conditions, heart ailments and glaucoma. Extreme caution is needed while using this medicine on animals on sedatives or tranquilizers. Clemastine fumarate is thought to be safe for use in pregnant animals; however its traces will be present in mothers' milk, so be cautious while using this medication in nursing pets. Overdose of this medication might result in dry mouth, blurred vision, rapid heart rate, urinary retention, fever and low pressure, which require urgent medical intervention.

  • Teva Animal Health Brand
  • Allergy Relief Pharmacy
  • Oral Application
  • Cat Pet Type
  • Dog Pet Type

What is clemastine 2.68 mg used for?
Answer

Clemastine, at a dosage of 2.68 mg, is an antihistamine commonly used in veterinary medicine for dogs. Dr. Sally Chao, a board-certified Emergency Medicine professional, recommends administering the medication at a rate of 0.05 mg per pound of the dog's body weight. It should be given at a frequency of two doses per day. It helps alleviate symptoms associated with allergies, itching, and allergic reactions. It belongs to the class of drugs known as first-generation antihistamines, and it works by blocking histamine receptors. This reduces the effects of histamineโ€”a substance involved in allergic reactions. NIH notes that first-generation antihistamines pass the blood-brain barrier more easily and enter the central nervous system. However, second-generation antihistamines do not. First-generation medications bind to both central and peripheral histamine receptors, but second-generation drugs only bind to peripheral histamine receptors. This results in different therapeutic and side effects. In dogs, clemastine is often prescribed to manage conditions such as allergic dermatitis, itching, hives, and other manifestations of hypersensitivity reactions. It can provide relief from symptoms like itching and inflammation, making it beneficial for dogs with skin allergies or insect bites. While clemastine is a common antihistamine used in dogs, veterinarians may also consider alternative medications based on the specific needs of individual dogs. Other antihistamines, such as diphenhydramine or hydroxyzine, could be recommended as alternatives. These medications work similarly by blocking histamine receptors and can be effective in managing allergy symptoms, including itching and inflammation. Corticosteroids like prednisone or anti-inflammatory drugs such as cyclosporine may be prescribed for more severe allergic reactions or conditions requiring stronger immunosuppressive effects.

Is clemastine FDA-approved?
Answer

Clemastine, an antihistamine, is not specifically FDA-approved for veterinary use in dogs. While the FDA approves medications for human use, veterinary medications often receive approval from other organizations. The U.S. Food and Drug Administration's Center for Veterinary Medicine (CVM) is one such organization. The EPA notes that CVM oversees the regulation of new animal drugs designed to diagnose, treat, cure, or prevent diseases in animals. It also supervises medications administered to animals through various methods, such as topical application, oral ingestion, and injection. In the case of clemastine, it is commonly prescribed by veterinarians "off-label" for dogs. This means that its use is based on their professional judgment and experience, as there may not be a specific veterinary-approved formulation. Some other popular off-label antihistamines for dogs include diphenhydramine and hydroxyzine, which veterinarians may recommend for managing allergy symptoms. Off-label use doesn't imply inefficacy, rather, it reflects the need for veterinarians to adapt human medications for veterinary purposes.

What is the strongest antihistamine?
Answer

The term "strongest" antihistamine can vary depending on the context and the specific needs of the individual, including dogs. In veterinary medicine, commonly used antihistamines for dogs include diphenhydramine, cetirizine, and loratadine. While there isn't a universally agreed-upon "strongest" antihistamine, each may have slightly different effectiveness and side effect profiles in dogs. Diphenhydramine, often known by the brand name Benadryl, is a first-generation antihistamine frequently used for its sedative effects. Eva Daniel, a certified pet trainer from Los Angeles, notes that Benadryl is typically given 2-3 times a day. The standard dosage ranges from 1 to 2 milligrams for every pound of your dog's body weight. Cetirizine (Zyrtec) and loratadine (Claritin) are second-gen antihistamines known for causing less sedation.

What are the side effects of the drug celestamine?
Answer

Celestamine, a medication containing betamethasone and dexchlorpheniramine, is not commonly prescribed for dogs, and its use in veterinary medicine is limited. However, if used inappropriately, the side effects can be similar to those observed in humans. According to VCA Animal Hospitals, common side effects of corticosteroids like betamethasone include increased thirst and urination, weight gain, and potential behavioral changes. Dexchlorpheniramine, an antihistamine, may cause sedation and gastrointestinal upset. Long-term or inappropriate use of corticosteroids can lead to more serious side effects, including immunosuppression and hormonal imbalance. A veterinarian's guidance ensures the safe and effective use of medications tailored to the individual needs of the dog.

Is celestamine an antibiotic?
Answer

No, Celestamine is not an antibiotic. Celestamine is a combination medication that typically contains betamethasone, a corticosteroid, and dexchlorpheniramine, an antihistamine. Corticosteroids like betamethasone have anti-inflammatory properties and are often used to manage allergic reactions and inflammation in dogs. Antihistamines, like dexchlorpheniramine, can help alleviate allergy symptoms.Antibiotics are a different class of drugs specifically designed to treat bacterial infections. They do not have the anti-inflammatory or antihistamine properties found in medications like Celestamine.

What are the risks of clemastine?
Answer

Clemastine, an antihistamine, is generally considered safe for dogs when used as directed by a veterinarian. However, like with any drug, there are dangers and side effects. Common side effects may include mild sedation, gastrointestinal upset, and dry mouth. In rare cases, more severe reactions such as allergic responses, rapid heart rate, or difficulty breathing may occur. Overdosing on clemastine can lead to increased severity of side effects and pose a greater risk to the dog's health. It's crucial to use the correct dosage based on the veterinarian's recommendations and to avoid combining clemastine with other medications without professional guidance. Additionally, clemastine may not be suitable for dogs with certain illnesses, so a thorough examination by a veterinarian is necessary to assess potential risks.

Clemastine fumarate, USP (equivalent to 1 mg clemastine): 1.34mg Inactive ingredients: colloidal silicon dioxide, lactose monohydrate, providone, pregelatinized starch, starch, stearic acid.

Side effects may vary.

Sedation, paradoxical hyperactivity and dryness of the mouth are some of the common side effects of Clemastine fumarate. In cats, diarrhea is most common; however, persistent diarrhea requires attention. In some cases, animals might as well show symptoms like rapid heartbeat or difficulty in urinating, which call for immediate medical help.



Tell your doctor is if any of these symptoms are severe or do not go away.

This medication should not be used in animals allergic to it.

Talk to your veterinarian and use Clemastine 2.68mg with caution in animals with prostate, bladder, or digestive conditions, glaucoma, heart disease, or severe cardiac failure.

Since Clemastine may cause sedation, do not give it to working animals (police dogs, seeing-eye dogs, etc.).

Use with caution on pregnant or nursing animals as Clemastine may enter the milk and have negative effects on the offspring.

It is available in unflavored tablet form, which should usually be given orally once in every 12 hour. See your vet for dosing information specific to your pet.

The duration of treatment will depend on your petโ€™s particular needs.

Follow the directions on the prescription label carefully, and ask your veterinarian to explain any part you do not understand.

Administer Clemastine 2.68mg exactly as directed.

Ask your veterinarian or consult with one of our pet care specialists at 1-800-844-1427.

This information is for informational purposes only and is not meant as a substitute for the professional advice of, or diagnosis or treatment by, your veterinarian. Always seek the advice of your veterinarian or other qualified professional with any questions you may have regarding a medical condition. Never disregard or delay seeking professional advice due to what you may have read on our website. Our medications are FDA approved and/or EPA regulated when and as required by law.

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