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Dr. Kara
Dr. Kara, Board Certified Veterinarian
Category: Vet
Satisfied Customers: 26379
Experience:  Over 20 years of experience as a veterinarian.
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Puppy has diarrhoea and lethargic noticed a small bit of red

Customer Question

Puppy has diarrhoea and lethargic noticed a small bit of red in stool
JA: I'll do all I can to help. How long has the puppy been lethargic? Any changes in appetite?
Customer: we have only had him 48hrs
JA: Could he have eaten something unusual?
Customer: seems to be more lethargic from this afternoon
JA: What's the puppy's name?
Customer: stitch
JA: Is there anything else the Vet should know?
Customer: hes 9weeks old had first injections 28/5/21
Submitted: 15 days ago.
Category: Vet
Customer: replied 15 days ago.
Expert:  Dr. Kara replied 15 days ago.

Hello, my name is***** and I have over 20 years of experience as a veterinarian. I am sorry to hear that your new puppy Stitch has diarrhea, with a bit of blood, and seems lethargic.


  1. What breed is Stitch?

  2. Is he willing to eat? Did you change his food when you brought him home?

  3. Has he had stools samples checked for parasites? Is he on a worming program?

  4. Any vomiting?

  5. Where did you get him?

Customer: replied 15 days ago.
Cockapoo
Yes he has eaten today boiled rice and chicken his food has changed a little
Stools haven’t been checked however Informed he has been wormed
He was sick this morning but nothing since
He was bought from a private breeder
Customer: replied 15 days ago.
That’s fine on text
Expert:  Dr. Kara replied 15 days ago.

Thanks! Diarrhea can be due to a sudden change in diet, parasites, a viral or bacterial infection, or even a food allergy. It can also be related to congenital metabolic organ disease (such kidney or liver disease) due to organ wastes irritating the gut or a foreign body in the intestinal tract. Since he is lethargic and has only had one vaccine ideally he would see a veterinarian, especially if he is refusing to eat too. Well worth checking at least a couple fresh stool samples too as parasites are a common cause of loose stools with blood in dogs and parasite eggs/cysts are shed intermittently. They may be picked up on the second sample or third test if the first is negative.

In his case an abrupt diet change and/or parasites may be the issue. No wormers cover all parasites. Since he is eating if he cannot be seen right away there are some things we can try.  Typing....

Expert:  Dr. Kara replied 15 days ago.

Today you can start Kao-pectate (generic Kaolin & pectin formulas are fine too) at 1ml per pound or 1/2 teaspoon per 2-5 pounds of body weight every 8-12 hours. This is quite safe and will coat her irritated gastrointestinal tract as well as absorbing bacterial toxins. You can find kao-pectate at the drug store. Continue the bland diet mix of 1/3 part boiled, lean hamburger (or boiled, white, skinless chicken), all fats drained off the meat, mixed with 2/3 parts boiled, plain white rice. Feed several small meals a day. Add 1  tablespoon of canned or fresh cooked pumpkin (not pie filling, just pumpkin) or squash to each meal since you are seeing blood in her stool as fiber helps soothe an irritated colon. Add probiotics to the bland diet mix to replace the good bacteria lost with diarrhea. Good brand name products include Fortiflora, Proviable, or Benebac. They can be found online or at pet stores.

Once she feels better (no diarrhea for 48 hours) start mixing in her regular puppy food very slowly, less bland more regular with each day. It should take a week or so to convert her back. If she starts vomiting and feeling poorly though it would be best that she see a veterinarian now as anything you give her orally will just come back up worsening her dehydration. It has been my pleasure to help you today. You are welcome to ask follow up questions about my response here, simply use the reply box and let me know. Thank you!~