HEARD IT CAN BE DANGEROUS

Naltrexone may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:

upset stomach
anxiety
nervousness
muscle or joint pain

If you experience any of the following symptoms or those listed in the IMPORTANT WARNING section, call your doctor immediately:

confusion
drowsiness
hallucinations
vomiting
diarrhea
bone and joint pain
skin crawling
stomach pain
white bowel movements
skin rash
blurred vision