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The Deworming CalculatorAll tools

Deworming runs on a calendar, not on a hunch.

Most Indian dogs are dewormed whenever someone remembers, which is how a puppy misses the weeks that matter most and an adult swallows tablets it may not need. Below is the standard veterinary rhythm, every rule printed before you enter anything, mapped onto your dog's actual dates.

The rhythm · CAPC consensus, Indian practice

The schedule this page charges

Puppies get the full prophylactic protocol with no test-first option, because roundworm larvae cross the placenta and arrive in the milk: a puppy can be carrying worms before its eyes open. Adults settle into a quarterly rhythm, the cadence the Indian combination products are labeled for.

AgeDose
2, 4, 6, 8 weeksevery two weeks
3, 4, 5, 6 monthsmonthly
From 6 months, for lifeevery 3 months

A missed dose is given once, now, and the rhythm resumes from that day. Nothing is ever doubled. Street and livestock contact raise the pressure, and this page says so out loud rather than silently shortening the interval.

The dose · by the label, never by this page

One tablet per 10 kg

Indian combination dewormers are labeled one tablet per 10 kg of body weight, rounded up to the next band the way vets do: an 18 kg dog takes two tablets. These are the products a reader will actually find, actives printed. The mg arithmetic stays on the label and with your vet.

ProductActivesNote
Drontal Pluspraziquantel + pyrantel + febantelThe reference combination. One tablet per 10 kg.
Kiwof Pluspraziquantel + pyrantel + febantelThe common Indian equivalent, same combination, same convention.
Fentas Plusfenbendazole + praziquantelThe fenbendazole route, gentler on young and sensitive dogs.

Albendazole does not appear in the table above on purpose. It is a human and livestock dewormer with documented bone marrow suppression and birth-defect risk in dogs, and it still gets handed across Indian counters as a cheap substitute. Fenbendazole is the safe member of that drug family for dogs.

The season · June to September

The monsoon is the parasite's season

June to September is peak transmission in most of India: hookworm larvae develop in warm, damp soil and enter through skin as easily as mouths. The doses on either side of the monsoon are the two not to skip. The schedule below flags every dose that lands in that window. Hookworm leads this story for a reason: it dominates the Indian stray-dog studies, it enters through skin, and it passes to people, most easily to children playing barefoot.

The more careful option · adults only

Test, don't guess

For an adult dog there is a more careful option than dosing by calendar alone: a fecal egg count at any veterinary clinic is cheap and definitive, and one or two a year will tell you whether the quarterly tablet is doing its work or missing something a different drug would catch. Puppies are the deliberate exception: for them the infection is assumed because it is nearly universal, and the protocol runs without waiting for proof.

Build the schedule

Five facts, honest answers allowed, and the dated register appears on this page, not behind a wall. No signup, nothing stored.

Optional. It heads the schedule and the calendar file.

A yes routes to a vet note, never to a self-serve schedule.

Asked often

How many deworming tablets does my dog need?
Indian combination dewormers are labeled one tablet per 10 kg of body weight, rounded up to the next band the way vets do: an 18 kg dog takes two tablets of a 1-per-10-kg product. Under five kilograms, tablets give way to suspensions dosed by exact weight, and that measurement belongs at the clinic.
What happens if I miss a deworming dose?
Give one dose now and resume the ordinary rhythm from today. Nothing is doubled, ever. A lapse of weeks is routine; a lapse of many months in a dog with street contact is a good moment for a fecal test alongside the catch-up dose.
Why does the puppy schedule start at two weeks?
Because roundworm larvae cross the placenta and arrive in the milk, so a puppy can be carrying worms before its eyes open. That is also why puppies get the full prophylactic protocol without a test-first option: the infection is assumed because it is nearly universal.
Can I deworm my dog during the monsoon?
Yes, and you should hold the rhythm most firmly then. June to September is peak transmission in most of India because hookworm larvae develop in warm, damp soil. The doses on either side of the monsoon are the two not to skip.
Can I skip tablets and just get my dog tested instead?
For an adult dog, a fecal egg count once or twice a year is the more careful practice and this page recommends it alongside the calendar, not instead of it. For puppies the answer is no: prenatal transmission makes testing-first the wrong order for them.
Is this schedule a prescription?
No. It is the CAPC-consensus rhythm mapped onto your dog’s dates, printed so you can check every rule it used. The drug and the dose are confirmed with your veterinarian, and pregnant dogs, puppies under two weeks, and sick or underweight dogs are vet cases, not calculator cases.
  1. This is an educational schedule, not a prescription. Confirm the drug and the dose with your veterinarian before giving anything, and put pregnant dogs, puppies under two weeks, and any sick or underweight dog in front of a vet rather than in front of a calculator.
  2. Every rule this page charges is printed above the form, so you can check the schedule yourself.
  3. Nothing is stored. The schedule lives in its link and nowhere else.

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