Precautions Before taking this drug, tell your doctor if you have a history of heart, kidney, or liver disease, asthma, bronchitis, emphysema, or other lung disease, diabetes, or an overactive thyroid gland. You may want to check your pulse every day while taking this medication. Discuss with your doctor what changes in your pulse rate mean. Before having surgery, tell the doctor or dentist in charge that you are taking a beta-blocker. This drug should be used only if clearly needed during pregnancy.
Beta blockers do appear in breast milk.
Consult with your doctor before breast-feeding. Drug Interactions Tell your doctor what medications you take, especially diuretics, cold preparations and nasal decongestants, reserpine, and other heart or high blood pressure medications. If it is, skip the missed dose and resume your usual dosing schedule. Do not store in the bathroom.