1. **Severe Reactions:** If your dog experiences swelling, difficulty breathing, or hives, these could be signs of an allergic reaction, and you should seek immediate veterinary attention.
2. **Gastrointestinal Issues:** Vomiting, diarrhea, or a significant change in appetite can be side effects of certain medications. If these symptoms persist for more than 24 hours, contact your vet.
3. **Behavioral Changes:** If your dog becomes lethargic, unusually aggressive, or shows signs of confusion, this may indicate a negative reaction to the medication.
4. **Excessive Drinking or Urination:** Some medications can affect your dog's thirst and urination habits. If you notice your dog drinking or urinating excessively, it's worth discussing with your vet.
5. **Skin Reactions:** Look for any unusual skin reactions, such as rashes or excessive itching, which may indicate a side effect.
6. **Changes in Heart Rate or Breathing:** If your dog’s heart rate seems irregular or if they are having trouble breathing, contact your vet immediately.
Always err on the side of caution when it comes to your dog's health. If you're ever in doubt about a side effect or reaction, it's best to reach out to your veterinarian for guidance.
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