Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins ) and health problems. You must check
to make sure that it is safe for you to take M-End PE (brompheniramine, codeine, and phenylephrine liquid) with all of your drugs and health problems. Do not start, stop, or change the dose of
any drug without checking with your doctor.
Taking this product with other medications that may also cause drowsiness or breathing problems may increase your risk of very serious side effects, including death. To lower your risk, you should take the smallest dose of this product that works, and take it for the shortest possible time. Talk to your doctor or pharmacist about the risks and benefits of this product. See also Drug Interactions section. Get medical help right away if any of these very serious side effects occur: slow/shallow breathing, unusual lightheadedness , severe drowsiness/ dizziness , difficulty waking up.