Many people using this medication do not have serious side effects. Do not take the medicine more often than it is prescribed. If you notice other effects not listed above, contact your doctor or pharmacist. Tell your doctor if your condition persists or worsens (such as your feelings of sadness get worse, or you have thoughts of suicide). To relieve dry mouth, suck on (sugarless) hard candy or ice chips, chew (sugarless) gum, drink water, or use a saliva substitute. This is not a complete list of possible side effects. Do not stop taking this medication without consulting your doctor.