Weight loss in cats and dogs: screening for infectious causes

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Home diagnostics

Slow, gradual weight loss usually goes unnoticed, because hardly anything changes from day to day – many owners only realise when they stroke their pet’s spine. In cats, weight loss with an unchanged appetite is a particular warning sign.

Among infectious causes, FIV and FeLV are the most common: both weaken the immune system, so besides weight loss, recurring infections that are slow to heal are typical. Giardia can also cause weight loss, because it interferes with nutrient absorption.

  • 5–10 minutesResults at home, no waiting for a lab
  • ISO 9001 and GMPCertified manufacturer, clinic-grade method
  • Free shipping over €150Delivery in 2–5 business days
  • 30 daysReturns accepted on unopened products

Help

Not sure which test you need?

If you're unsure, start from the symptom. Below you'll find everything you need to choose and use the right test.

How accurate is the at-home rapid test?

It uses the same immunochromatographic technology as the tests used in veterinary practices. Compared with PCR, the parvovirus test shows 98.33% agreement: sensitivity 98.00%, specificity 98.67%, n=300.

Does it replace a veterinary examination?

No. The rapid test is a pre-screening tool: it gives you a quick picture to take to the vet. If the result is positive, always see a vet and take the test cassette with you.

What does it mean if the result is negative but the symptoms persist?

Virus and cyst shedding can be intermittent, so a single negative result does not rule everything out. Repeat the test within 2–3 days or see a vet.

How should the tests be stored?

Between 4 and 30 °C, in a dry place, away from light, in the unopened foil pouch. Do not refrigerate or freeze. Run the test itself at a room temperature of 15–30 °C.