Chlorpheniramine for dogs and cats
An antihistamine for allergic conditions, sometimes used as a mild sedative. [1]
Key facts
| Generic name | Chlorpheniramine maleate |
|---|---|
| Common brand names | Chlor-Trimeton, Aller-Chlor |
| Used in | Dogs & Cats |
| Type | Allergy & itch |
| Prescription? | Over the counter (ask your vet first) |
| Typical US price | Not listed (no reliable public source) |
What it's used for
An antihistamine for allergic conditions, sometimes used as a mild sedative. [1]
How it works
It blocks histamine to reduce itching and other allergy signs. [1]
Side effects and cautions
Common side effects: Sleepiness, excitement in cats, diarrhea, vomiting, lower appetite, dry mouth and mild straining to urinate. [1]
Use with care: Use caution in pets with glaucoma, an enlarged prostate, hyperthyroidism, or heart disease. Avoid combination cold products. Ask your vet first. [1]
Call your vet right away if your pet has trouble breathing, facial swelling, hives, collapse, or any side effect that is severe or getting worse.
What it costs
We don't list a price for this one because we couldn't find a reliable public source. Ask your vet or pharmacy for a quote; prices depend on your pet's size, the dose and where you fill it.
Chlorpheniramine FAQ
What is Chlorpheniramine used for in dogs and cats?
An antihistamine for allergic conditions, sometimes used as a mild sedative.
What are the side effects of Chlorpheniramine?
Sleepiness, excitement in cats, diarrhea, vomiting, lower appetite, dry mouth and mild straining to urinate.
Does Chlorpheniramine need a prescription?
Many forms are sold without a prescription. Still, check with your vet first. Pet doses and safe products are not the same as for people.
How much Chlorpheniramine should I give my pet?
Only your veterinarian can tell you. The right dose depends on your pet's weight, health and other medicines, so we don't list doses. Never give a pet a medicine prescribed for a person or another animal without asking your vet.
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This page is general information for pet owners, not veterinary advice. Talk to your vet about your own pet.