Lopressor Oral

Lopressor Oral Interactions

Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with them first.

Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of:

• alpha-blockers (e.g., prazosin)
• anti-diabetic drugs (e.g., glipizide, glyburide, insulin)
• calcium channel blockers (e.g., diltiazem, verapamil)
• digoxin
• epinephrine
• non-steroidal anti-inflammatory drugs (e.g., indomethacin, ibuprofen)
• other drugs to treat high blood pressure (e.g., clonidine, hydralazine, reserpine)
• medications for overactive thyroid disease (e.g., methimazole, propylthiouracil)
• drugs affecting liver enzymes that remove metoprolol from your body (such as amiodarone, barbiturates including phenobarbital, certain antidepressants including bupropion/fluoxetine/paroxetine, cimetidine, propafenone, quinidine, rifampin, ritonavir, St. John's wort)

Check the labels on all your medicines (e.g., cough-and-cold products, diet aids) because they may contain ingredients that could 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.