Is diarrhea and no appetite a Drontal Plus side effect in dogs?
Updated On September 23rd, 2025
Pet's info: Dog | Mixed Breed | Female | 1 year and 8 months old | 12 lbs
Pepper went to the vet today also for throwing up bile this morning. Vet said to just monitor her. Was given a dose of drontal plus as precautionary as she was around a puppy with worms. I gave that to her about 4-5 hours ago. She now has diarrhea and no appetite which is VERY unlike her. She has never refuses food in her life. Could this be a side effect of the drontal plus?
2 Answers
Most Helpful Answer
Published on September 11th, 2018
Sometimes Drontal plus can cause emesis (throwing up). But it is also possible that she has a tummy issue. Diarrhea and throwing up can have many causes. It is basically a problem with the stomach and intestines caused by a food over sensitivity, eating something that does not agree with the dog, intestinal parasites, bacterial infection, viral infection, the weather, food change, stress, etc. I would fast Pepper for 12 hours and then put her on bland food for two days, such as boiled white rice and boiled white boneless chicken meat, fed in small quantities over several feeds and then transition back to her regular food slowly over a few days. If this does not clear up the diarrhea or if the vomiting increases, or if she gets lethargic, she needs to see a veterinarian for an exam as there may be something more serious such as an infection going on.
1Pet Parents found this answer helpful
Related Answers from Veterinarians
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Published on November 10th, 2018
Either situation is possible. Diarrhea has multiple causes, so an exam and diagnostics are usually required to pinpoint the cause. If she is behaving normally otherwise, you can try withholding food for 24 hours. Allow small amounts of water or unflavored PediaLyte every hour during this fast. Resume feeding a bland diet in small, frequent amounts. Begin with one tablespoon of food every hour and gradually increase the amount. Feed bland until her stool is normal then transition slowly to the regular diet. Monitor for persistent diarrhea, vomiting, lethargy, loss of appetite or abdominal pain. These are symptoms that should be addressed by your veterinarian.
1Pet Parents found this answer helpful
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