Can dogs have limes?

Sometimes – lime flesh is not highly toxic, but it is very acidic and can irritate your dog’s stomach.

Why it is or is not safe

Limes contain citric acid and essential oils that may cause gastrointestinal irritation. The peel and oils are more concentrated and more irritating.

How to serve

Avoid feeding limes intentionally. If a small amount was eaten, monitor for vomiting or diarrhea.

Symptoms to watch for

Drooling, vomiting, diarrhea, abdominal discomfort.

Sources: See full veterinary references here