Tell your doctor if any of these symptoms are severe or do not go away:

*

oily spotting on underwear or on clothing
*

gas with oily spotting
*

urgent need to have a bowel movement
*

loose stools
*

oily or fatty stools
*

increased number of bowel movements
*

difficulty controlling bowel movements
*

pain or discomfort in the rectum (bottom)
*

stomach pain
*

irregular menstrual periods
*

headache
*

anxiety

Some side effects can be serious. If you experience any of these symptoms, call your doctor immediately:

*

hives
*

rash
*

itching
*

difficulty breathing or swallowing
*

severe or continuous stomach pain
*

excessive tiredness or weakness
*

nausea
*

vomiting
*

loss of appetite
*

pain in the upper right part of the stomach
*

yellowing of the skin or eyes
*

dark-colored urine
*

light-colored stools