Drug Interactions
Your healthcare professionals (e.g., doctor or pharmacist) may already be aware of any possible drug interactions and may be monitoring you for it. Do not start, stop or change the dosage of any medicine before checking with them first. This drug should not be used with the following medications because very serious interactions may occur: arbutamine, thioridazine. If you are currently using any of these medications, tell your doctor or pharmacist before starting this drug. Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription products you may use, especially of: alpha-blockers (e.g., prazosin), other beta-blockers (e.g., atenolol), bronchodilators (e.g., albuterol, theophylline), calcium-channel blockers (e.g., diltiazem, verapamil), clonidine, drugs for diabetes (e.g., glipizide, glyburide, insulin), epinephrine, fenoldopam, nasal decongestants (e.g., phenylephrine, pseudoephedrine), nonsteroidal anti-inflammatory drugs (NSAIDs such as ibuprofen and naproxen), other drugs for high blood pressure (e.g., methyldopa, reserpine), drugs affecting liver enzymes that remove this medication from your body (e.g., amiodarone, chlorpromazine, St. John's wort). Tell your doctor or pharmacist if you also take drugs that cause drowsiness such as: certain antihistamines (e.g., diphenhydramine), anti-seizure drugs (e.g., carbamazepine), medicine for sleep or anxiety (e.g., alprazolam, zolpidem), muscle relaxants, narcotic pain relievers (e.g., codeine), psychiatric medicines (e.g., amitriptyline, risperidone, trazodone). Check the labels on all your medicines (e.g., cough-and cold products, diet aids, nonsteroidal anti-inflammatory drugs-NSAIDs for pain/fever reduction) because they may contain ingredients that could cause drowsiness or increase your heart rate or blood pressure. Ask your pharmacist about the safe use of those products. This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.