According to the FDA, the most common side-efect from Xenical®* is changes in bowel movement (BM) habits. This generally occurs during the first weeks of treatment; however, it may continue throughout your use of Xenicalâ.
Tell your doctor if any of these side-effects are severe or do not go away:
· oily, spotting BMs
· gas with discharge
· urgent need to have a BM
· oily or fatty stools
· an oily discharge
· increased number of BMs
· inability to control BMs
· orange or brown color of a BM
· stomach pain
· irregular menstrual periods
If you experience any of the following side-effects, call your doctor immediately:
· itching
· redness of skin
· skin rash or hives
· swelling
· chest pain
· difficulty breathing
· fever