Some people may be more likely to experience problems due to melatonin. Therefore, you should talk with your healthcare provider before taking it if you have:
- Seizures or epilepsy
- Liver disease, such as liver failure, cirrhosis, or hepatitis
- Any other allergies, including allergies to food, dyes, or preservatives.
Also, let your healthcare provider know if you are:
- Pregnant or thinking of becoming pregnant (see Melatonin and Pregnancy)
- Breastfeeding (see Melatonin and Breastfeeding).
Make sure to tell your healthcare provider about all other medicines you are taking, including prescription and non-prescription medicines, vitamins, and herbal supplements.
(Click Melatonin Safety for more information, including any available warnings and precautions.)
It is not known exactly what to expect from a melatonin overdose, although there have been reports of the following problems occurring:
If you think you may have taken too much, seek immediate medical attention.
(Click Melatonin Overdose for more information.)