Can dogs have tangerines?

Sometimes – tangerine flesh is generally not toxic, but it is acidic and high in natural sugar.

Why it is or is not safe

Citrus acidity may irritate sensitive stomachs, and the sugar content can cause diarrhea if too much is eaten.

How to serve

If offered, give only a small piece of peeled flesh. Remove seeds and peel completely.

Symptoms to watch for

Loose stool, vomiting, mild stomach upset.

Sources: See full veterinary references here