What are the side effects of saffron?

Saffron is POSSIBLY SAFE when taken by mouth as a medicine for up to 26 weeks. Some possible side effects include 

1. dry mouth
2. anxiety
3. agitation
4. drowsiness
5. low mood
6. sweating
7. nausea or vomiting
8. constipation or diarrhea
9. change in appetite
10. flushing
11. headache