What are the possible side effects of Demerol HCl (Meperidine)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have any of these serious side effects: shallow breathing, slow heartbeat seizure (convulsions) cold, clammy skin confusion severe weakness or dizziness; or feeling light-headed, fainting Less serious side effects may include: constipation nausea, vomiting, loss of appetite dizziness, headache dry mouth sweating itching urinating less than usual; or loss of interest in sex This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.