What happens if I deworm my dog after a meal?

Deworming after a meal reduces the drug’s irritation to the stomach and avoids soft stools or vomiting afterward. Generally there’s no strict rule on timing—before or after a meal both work.

Fasting deworming raises the drug concentration in the gut for better effect, but if the dog has a sensitive stomach, after-meal dosing is best. Follow the product leaflet and your vet’s advice.