Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Make sure your doctor knows if you are also using a phenothiazine (such as Compazine®, Phenergan®, Serentil®, Thorazine®), a blood thinner (Coumadin®), probenecid (Benemid®), sulfinpyrazone (Anturane®), or any medicines that make you sleepy (such as sleeping pills, cold and allergy medicine, narcotic pain killers, or sedatives).
Do not drink alcohol while you are using this medicine.
Make sure your doctor knows if you are pregnant or breastfeeding, or if you have peptic ulcer, blood clotting problems, head injury, digestive problems, severe liver or kidney disease, underactive thyroid, Addison's disease, enlarged prostate, or problems urinating.
This medicine may be habit-forming. If you feel that the medicine is not working as well, do not take more than your prescribed dose. Call your doctor for instructions.
This medicine may make you dizzy or drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.
This medicine may cause constipation. This is more common if you use it for a long time. Ask your doctor if you should also use a laxative to prevent and treat constipation.