Every monsoon, Indian vet clinics fill with the same three things: tick fever, leptospirosis and skin infections. All three have one root cause, and all three are largely preventable with habits that take a few minutes a day. Here is what is actually happening and what to do about it.
Most pet health advice is written for temperate climates where the rainy season means a wet walk and a muddy floor. The Indian monsoon is a different thing: weeks of high humidity, standing water in every street, and a tick population that explodes in exactly those conditions.
Three problems dominate Indian vet clinics from June to September, and they share one root cause. Moisture. Ticks breed in it, leptospirosis bacteria survive in it, and a coat that never dries grows fungus in it. Understanding that makes the prevention obvious.
Tick fever is the Indian shorthand for two separate diseases carried by the brown dog tick. Ehrlichiosis is bacterial and attacks platelets and white cells. Babesiosis is a parasite that destroys red blood cells. Both are common, both are serious, and a dog can have both at once.
| Stage | What you see | What to do |
|---|---|---|
| Early | Fever, lethargy, off food, swollen lymph nodes | Vet within a day or two, mention ticks |
| Serious | Pale gums, dark or red urine, nosebleeds, bleeding gums, bruising | Vet the same day. These mean anaemia or platelets are crashing. |
| Chronic | Weight loss, recurring fever, eye problems, months after exposure | Ehrlichia can hide. Tell your vet about any past tick history. |
Diagnosis is a blood test, and treatment is a course of specific medication, doxycycline for ehrlichia and an injectable for babesia. Both are very treatable if caught early and increasingly dangerous the longer they run. The single most useful thing you can tell a vet is whether you have found ticks on the dog recently.
To check for ticks: run your fingers against the coat around the ears, neck, armpits, groin and between the toes. Ticks feel like a small firm bump. Remove them with tweezers close to the skin, pulling straight out. Do not burn them or use oil.
Leptospirosis is a bacterial infection spread through water contaminated with the urine of infected animals, most often rats. During the monsoon, that means waterlogged streets, stagnant puddles and flooded low-lying areas. A dog does not need to drink the water. Walking through it with a small cut on a paw is enough.
It attacks the kidneys and liver. Early signs are vague, fever, vomiting, lethargy, but it can progress to kidney failure quickly. It is also zoonotic: an infected dog can pass it to the people in the house.
The vaccine is the L in the DHPPiL combination shot, and many Indian vets recommend a booster just before the monsoon for dogs with any outdoor exposure. It covers the most common strains, not all of them, so the second half of prevention is avoiding stagnant water entirely. Our vaccination schedule covers where lepto fits.
This is the most common monsoon complaint and the least dangerous, but it makes dogs miserable. The mechanism is simple: at 80 to 90 percent humidity, a dog's coat does not dry between walks. Moisture stays trapped between the toes, in the armpits and groin, under the collar and in skin folds. Warm, dark and damp is exactly what yeast, bacteria and fungi want.
Signs are scratching, red or darkened skin, a musty smell, hair loss in patches, and for ears, head shaking and a brown discharge. Interdigital infections between the toes are almost universal in monsoon-walked dogs that are not dried properly.
Treatment is usually an antifungal or medicated shampoo and, for ears, drops from a vet. Prevention is drying, which we come to next.
If you do only three things this monsoon, make them these. Together they prevent most of what fills the clinics.
Dogs still need to go out, and the practical adjustments are small.
Cats mostly self-manage the monsoon by refusing to go out, but indoor cats in humid homes get the same ear and skin issues. A weekly check of the ears and a dry, well-ventilated sleeping spot cover it.
This guide is general information, not veterinary advice. Pale gums, dark urine or bleeding in a dog during tick season are same-day emergencies.
The common name in India for two tick-borne diseases: ehrlichiosis, caused by the bacterium Ehrlichia canis, and babesiosis, caused by the parasite Babesia. Both spread through the brown dog tick, which thrives in India's warm, humid monsoon conditions.
Fever, lethargy, loss of appetite and swollen lymph nodes early on. Pale gums, dark urine or bleeding from the nose or gums are serious signs of anaemia or low platelets and mean a same-day vet visit.
By drinking or walking through water contaminated with the urine of infected animals, usually rats. Waterlogged streets and puddles during the monsoon are the main exposure. It is zoonotic, meaning it can also spread to humans.
Yes. It is the L in the DHPPiL combination vaccine, and vets often recommend a booster before the monsoon for dogs with outdoor exposure. It does not cover every strain, so avoiding stagnant water still matters.
Trapped moisture. A coat at high humidity does not dry between walks, and warm, damp pockets between the toes, under the legs and in skin folds are where yeast, bacteria and fungi multiply. Drying the dog thoroughly after every walk prevents most of it.
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