Contact your vet immediately if your dog experiences any of these symptoms, especially after administering ampicillin:
| Severe vomiting or diarrhea | More than three episodes in a 24-hour period, or containing blood. |
| Seizures | Uncontrolled shaking, muscle spasms, or loss of consciousness. |
| Difficulty breathing | Rapid, shallow breathing; bluish tinge to gums. |
| Lethargy or weakness | Unusual lack of energy, collapse, or inability to stand. |
| Skin rash or hives | Red, itchy welts or swelling. |
| Swollen face or throat | Difficulty swallowing or breathing. |
| Jaundice (yellowing of skin or eyes) | Indicates liver problems. |
These symptoms could indicate a severe allergic reaction or other serious complication. Timely veterinary intervention is critical for the best outcome. Don’t hesitate; your dog’s health depends on quick action.


