Side Effects of Nutmeg

Nutmeg is possibly safe when taken by mouth and used appropriately. Nutmeg is a commonly used spice in foods.
It is possibly unsafe to take nutmeg in doses larger than amounts found in foods and for long periods of time. Long-term use of nutmeg in doses of 120 mg or more daily has been linked to hallucinations and other mental side effects. People who have taken large doses of nutmeg have experienced nausea, dry mouth, dizziness, irregular heartbeat, agitation and hallucinations. Other serious side effects have included death.
Not enough is known about the safety of using nutmeg on the skin.

Special Precautions & Warnings:

Pregnancy and breast-feeding: Nutmeg is possibly unsafe in doses larger than amounts found in foods. In pregnant women, it may cause miscarriages or birth defects.

Not enough is known about the safety of using nutmeg during breast-feeding. Stay on the safe side and avoid use.

(Source: www.webmd.com)