PRECAUTIONS: Before taking this product, tell your doctor or pharmacist if you are allergic to any of the ingredients; or to similar drugs (such as dyphylline, ephedrine, phenylephrine); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.Before using this medication, tell your doctor or pharmacist your medical history, especially of: heart problems (such as angina, fast/slow/irregular heartbeat, heart failure, recent heart attack), high blood pressure, stroke, blood circulation disease (such as Raynaud's disease, peripheral vascular disease), diabetes, kidney disease, liver disease, seizures, stomach/intestinal ulcer, thyroid problems (underactive or overactive), a certain lung problem (cystic fibrosis), fluid in the lungs, mental/mood disorder (such as anxiety), trouble sleeping (insomnia), glaucoma, enlarged prostate.Common illnesses may affect how this medication is removed from your body. Tell your doctor immediately if you develop a high fever (102 degrees F/39 degrees C or higher) that lasts for more than 24 hours. The dose of your medication may need to be adjusted.This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.Before having surgery, tell your doctor or dentist that you are using this medication.Older adults may be more sensitive to the side effects of this drug, especially fast/irregular heartbeat, dizziness, problems urinating, trouble sleeping, or confusion.This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor.This medication passes into breast milk. However, it is unlikely to harm a nursing infant. Consult your doctor before breast-feeding.
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