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Is my Chihuahua sick?

Check what you see in your Chihuahua and we'll tell you whether it can wait for the next appointment, whether they should be seen today, or whether it's an emergency right now. With a guide for each symptom, written for this breed.

If they can't breathe properly, have blue gums or are seizing, stop reading and go to the emergency vet now. This tool guides; it doesn't diagnose.

About your Chihuahua

Behavior

Breathing and noises

Digestive

Movement and pain

Eyes, mouth and skin

What to do

Guidance only · not a substitute for your vet
Check one or more symptoms
Select what you see above. You can check several.

    Guidance only. If your gut says something is wrong, even when this says "at home," call your vet. In a 5-pound dog, erring on the side of caution is cheap.

    Which symptoms are an emergency in a Chihuahua?

    The ones that don't wait until tomorrow. With any of these, the plan is the emergency vet, and a call on the way:

    What you seeWhy it can't wait
    Labored breathing or open-mouth breathingFluid in the lungs, a closed windpipe or an obstruction
    Pale, blue or gray gumsLack of oxygen, internal bleeding or shock
    Seizure over 5 minutes or repeatedStatus epilepticus: body temperature climbs and damages the brain
    Puppy that's limp, cold and wobblyHypoglycemia: can seize within minutes
    Repeated vomiting or vomiting bloodDehydration in hours; possible obstruction or toxin
    Ate something toxicIn the first two hours vomiting can be induced safely
    Eye closed, red or with a spotA corneal ulcer can perforate within hours
    Fall, stepped on or bitten by a big dogInternal injuries don't show from the outside

    Why does everything move faster in a Chihuahua?

    Five pounds. A big dog has reserves of water, fat and sugar that buy time; a Chihuahua barely has any. A bout of diarrhea that gives a Labrador a bad afternoon dehydrates a Chihuahua overnight. A few hours without food, nothing to a large adult, drops a Chihuahua puppy's blood sugar until they seize.

    That's why the rule changes in this breed: what can wait until tomorrow in another dog is often today in a Chihuahua. And why it pays to know the breed's typical conditions before you need to: the eight most common, each with its warning sign, are in common Chihuahua health problems.

    What you can do at home while you decide: have the nearest 24-hour emergency vet's number saved (look it up today, not when you need it), a bottle of honey, a carrier ready, and your dog's weight and medications written down. With Romeo and Lorenzo, that lives on a magnet on the fridge.

    Frequently asked questions

    How do I know if my Chihuahua is sick?+
    The changes that warn you most are: eating less or nothing, sleeping far more, breathing differently, coughing, vomiting or diarrhea, limping, or a change in personality. A Chihuahua that suddenly refuses to play or go out is telling you something. When in doubt, a call to the vet costs nothing.
    Which symptoms are an emergency in a Chihuahua?+
    Difficulty breathing, pale or blue gums, seizures or collapse, repeated or bloody vomiting, a suddenly swollen belly, a closed or spotted eye, having eaten something toxic, a fall from a height, and in puppies, being limp and cold. With any of these, go to the ER without waiting.
    Can I give my Chihuahua something at home in the meantime?+
    Never human medication: ibuprofen, acetaminophen and aspirin are toxic to a 5-pound dog. The only safe things at home are honey on the gums if you suspect hypoglycemia in a puppy, water available and warmth. Everything else is the vet's call.
    Why do Chihuahuas get seriously ill so fast?+
    Size. At 5 pounds there is very little reserve: diarrhea dehydrates in hours, a few hours without food drops blood sugar, and repeated vomiting is already dangerous. What can wait until tomorrow in a big dog often cannot in a Chihuahua.
    Does this tool replace the vet?+
    No. It helps you judge how long a visit can wait based on what you see, but it does not diagnose. If your gut says something is wrong even when the tool says "at home," trust your gut and call.

    More tools

    Ate chocolate, overweight, which vaccines are due: each has its own calculator.

    Ate chocolate? → Overweight? Vaccine schedule