If your puppy has diarrhea, it's important to consult a veterinarian for proper diagnosis and treatment. However, here are some common approaches and medications that might be suggested:

1. Hydration

Ensure your puppy stays hydrated. Offering an electrolyte solution designed for pets can help replenish lost fluids.

2. Dietary Changes

Your vet may recommend a bland diet, such as boiled chicken and rice, to help settle your puppy's stomach.

3. Probiotics

Probiotics can help restore healthy gut bacteria. They are often available in powder or tablet form specifically for dogs.

4. Anti-diarrheal Medications

In some cases, your vet may prescribe medications like metronidazole or fenbendazole to treat underlying infections or parasites.

5. Deworming

If parasites are the cause, deworming medication may be necessary. Your vet can determine the appropriate treatment.

6. Avoid Over-the-Counter Medications

Avoid giving human medications like loperamide (Imodium) without veterinary guidance, as they can be harmful to puppies.

Always consult your veterinarian before administering any medication to ensure it's safe and appropriate for your puppy's specific situation.