Chlorpheniramine Tablets, 4mg

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Antihistamine Tablets for Allergies and Itching in Pets Product Description Chlorpheniramine Maleate 4mg Tablets are a first-generation H1 antihistamine used off-label by vets for dogs, cats, ferrets, and birds. It blocks histamine H1 receptors throughout the body, reducing itching, inflammation, and skin hypersensitivity. More widely used in cats than dogs, it works best for feline miliary dermatitis, psychogenic overgrooming, and chronic atopic skin conditions when given consistently rather than reactively. Benefits Cat Allergy Management: Particularly effective for managing chronic allergic itching, skin hypersensitivity, and atopy in cats on a consistent daily schedule. Miliary Dermatitis Treatment: Treats feline miliary dermatitis, a flea allergy-linked skin condition marked by small crusty lesions across the body. Overgrooming Reduction: Helps reduce anxiety-related and allergy-driven excessive grooming in cats when used as part of a broader management plan. Contact and Inhaled Allergy: Eases contact, inhaled, and drug-induced allergic reactions in both dogs and cats with regular daily use. Mast Cell Tumor Support: Helps manage allergy-like symptoms from histamine released by mast cell tumors in dogs and cats as needed. Ingredients Active Ingredients Chlorpheniramine Maleate 4mg How to Use Chlorpheniramine Maleate 4mg Tablets are a prescription medication. A valid veterinarian prescription is required to purchase this product from HardyPaw Pharmacy. Please follow your veterinarian's specific instructions for the dosage and administration of this medication for your pet. Disclaimer: Dosage and administration of this medication must be determined by a licensed veterinarian. Always consult your veterinarian before administering or adjusting any prescription medication for your pet. Hiding the tablet completely inside a soft pill pocket or pill wrap treat helps mask the bitterness and significantly improves acceptance, especially in cats. Shop Pill Pockets for Dogs | Shop Pill Pockets for Cats Additional Information Precautions Avoid Combination Products: Never use chlorpheniramine products that combine it with acetaminophen, caffeine, decongestants, or other cold and sinus ingredients. Avoid With MAOIs: Keep away from any pet on selegiline or amitraz-containing Preventic tick collars as a dangerous reaction can follow. Do Not Open Capsules: Long-acting capsule formulations must never be opened, crushed, or dissolved in food as this destroys the controlled-release mechanism. Avoid in Pregnancy: Do not use in pregnant or nursing animals as this medication may affect developing offspring in harmful ways. Caution With CNS Depressants: Use carefully alongside phenothiazines such as acepromazine or other central nervous system depressants, as additive sedation can occur. Caution With Metoclopramide: Use with caution in pets also receiving metoclopramide, as this combination may have additive neurological effects. Possible Side Effects Mild Drowsiness: Some sleepiness is the most commonly reported reaction and tends to fade as the pet settles into regular use. Dry Mouth and Urinary: Reduced saliva and difficulty urinating can show up in some pets during chlorpheniramine treatment at normal doses. Digestive Upset: Vomiting, diarrhea, and reduced appetite are possible side effects and are typically mild and self-resolving during treatment. Bitter Taste Refusal: Cats often strongly resist this tablet because of its bitter taste; always use a pill pocket to improve acceptance. Storage Information Room Temperature Storage: Keep tablets in a sealed container at a steady temperature between 59°F and 86°F, well away from excess heat. Protect From Heat: Sunlight, heat sources, and damp spots including bathrooms can break down the tablets, so store somewhere cool and dry. Keep Out of Reach: Put this medication somewhere children and untreated pets cannot get into it on their own. Note: For generic medications, the product image shown may not reflect the actual item received. Generic medications can vary in size, color, and shape between orders depending on the manufacturer. Additionally, your medication may arrive packaged in a HardyPaw Pharmacy vial. Shipping & Return We offer ground, express, and priority delivery; see our shipping policy for details. For return instructions or product concerns, please refer to our detailed refund policy. Prescription items are NON-RETURNABLE and NON-REFUNDABLE. Frequently Asked Questions Q1: What is chlorpheniramine most commonly used for in cats? Ans: Chlorpheniramine is more widely prescribed for cats than dogs and works well for chronic allergic skin conditions like miliary dermatitis, atopy-related itching, and overgrooming driven by allergies or stress. Giving it on a regular daily schedule rather than only when symptoms flare up gets much better results over time. Q2: How does chlorpheniramine differ from diphenhydramine for treating allergies in pets? Ans: Chlorpheniramine and diphenhydramine are both older-generation antihistamines, but chlorpheniramine tends to be easier on cats and is much less sedating. Dogs more often end up on diphenhydramine. Which one the vet reaches for comes down to the species, what is going on with the pet, and what has worked before. Q3: Why does chlorpheniramine work better when given consistently rather than as needed? Ans: This medication works by sitting in front of histamine receptors and blocking them before any reaction gets going, not by turning one off after it has started. That is why giving it every day at a steady schedule matters so much. By the time itching or swelling has already kicked in, the window where it works best has already passed. Q4: What is feline miliary dermatitis and how does chlorpheniramine help? Ans: Feline miliary dermatitis causes small crusty lesions across a cat's body, most often from flea allergy but also from food or environmental triggers. Chlorpheniramine reduces the histamine-driven inflammation and itching behind those lesions, giving the cat some relief while the root cause is being tracked down and addressed. Q5: Can chlorpheniramine tablets be used in birds or ferrets for allergies? Ans: Chlorpheniramine is used off-label in ferrets and birds for allergy-related symptoms under vet guidance. Getting the dose right in these species is a very different job than dosing dogs and cats, and it needs someone with hands-on exotic animal experience. Do not attempt to figure out an amount for a bird or ferret without a specialist vet involved. Clinical Research MedlinePlus: Chlorpheniramine Drug Info Cleveland Clinic: Chlorpheniramine Tablets Overview Show more