• asthma or severe breathing problems;
• a stomach or bowel obstruction (including paralytic ileus);
• narrow-angle glaucoma; or
• if you are unable to urinate.

Do not use this medicine if you have used an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.

Tell your doctor if you have ever had:

• lung disease or breathing problems;
• a head injury, brain tumor, or seizure;
• constipation, a bowel obstruction, or stomach problems;
• problems with your bile duct, pancreas, or adrenal gland;
• an enlarged prostate or urination problems;
• uncontrolled muscle spasms;
• a blood cell disorder;
• neuroleptic malignant syndrome (a severe nervous system reaction);
• liver or kidney disease;
• low blood pressure;
• a drug addiction; or
• if you have a fever and cough with mucus.