Can I Give My Cat Welactin?
Skip it or ask a vet first if
Published range by weight
| Weight | Fish oil (EPA + DHA) (published range) |
|---|---|
| 8 lb cat | 73-145 mg |
| 10 lb cat | 91-181 mg |
| 14 lb cat | 127-254 mg |
Computed from the published 20-40 mg/kg reference range, every 24h. Product strengths rarely split evenly, so round DOWN to the nearest practical dose and confirm with your vet.
About Fish oil (EPA + DHA)
Fish oil (EPA + DHA) is a supplement rather than a drug, which still deserves the same dosing care. You will see it sold as Welactin, Nordic Naturals Pet and store-brand equivalents, and the label strength on the box is what matters for the math, not the brand. Reference data on this page reflects published veterinary sources, not a prescription for your cat.
Check the label before anything else
The most common way a cat is poisoned by a human medicine is not the wrong dose of the right drug. It is a combination product. A box named after one active ingredient frequently contains two or three, and the extra one is often the dangerous one: acetaminophen, pseudoephedrine, phenylephrine, or a decongestant.
Read the active ingredients panel, not the front of the box. If more than one active ingredient is listed, do not give it. Treat any product labelled PM, Extra Strength, Sinus, Cold and Flu, or with a trailing D as a different medicine entirely, whatever the brand name says. Acetaminophen in particular is lethal to cats at doses a person would call ordinary.
Getting the amount right
Published ranges are per kilogram, so an estimated weight is an estimated dose. Weigh your cat rather than guessing, especially under 10 lb, where the margin between a normal amount and too much is genuinely small.
Then match the product strength. Human tablets are made for human bodies and rarely divide into a cat-sized amount cleanly, so round down to a practical dose rather than up to a convenient one. A liquid formulation is usually easier to measure accurately for a small animal than a split tablet.
Two things that catch people out. Many oral medications taste bitter, and foaming or drooling immediately after is a reaction to the taste, not an allergic reaction. And if some of it is spat out, do not simply give it again: there is no way to know how much went in, and that is a question for the clinic rather than a judgement call at the sink.
What to have ready when you call the vet
Whether you are confirming a dose or reporting that your cat already got into something, the call goes faster with four facts ready: your cat's current weight, the exact product name and strength from the label, how much was given or eaten, and roughly when. With those, most clinics can answer in one call.
The safe habit
Confirm any medication decision with your veterinarian, who knows your cat's health history and other medications. VetDose shows published reference data, not prescriptions.