Toprol-XL is a medicine prescribed to patients suffering from hypertension. It contains metoprolol succinate as main active ingredient. It belongs to beta1-selective (cardioselective) adrenoceptor blocking agent group of drugs. It is administered orally. It comes as extended release tablets. It acts by affecting heart and blood circulation. It is used for treatment of high blood pressure, angina and prevention of heart attack. The tablet comes in a multiple unit system. It provides a controlled and predictable release of metoprolol. It is an oral medicine and administered daily.

Patients, who are allergic to metoprolol, should not use this medicine. Patients should consult their doctor about their allergies, medical history and medications being used as this may interact with certain medications and worsen certain medical conditions. Patients, who are suffering from serious heart problem such as heart block, sick sinus syndrome, or slow heart rate, should not use this medicine. Patients suffering from pheochromocytoma, circulation problems, congestive heart failure, asthma or other breathing problems, diabetes , low blood pressure, depression, liver or kidney disease, a thyroid disorder, or myasthenia gravis, should consult their doctor before using this drug.

Drinking alcohol while using this drug and suddenly stopping this medicine could worsen patient’s condition. It could harm thinking or reactions of patient as a side effect. This drug is taken along with proper diet, exercise, and weight control. Patients who are pregnant, planning to be pregnant or breast-feeding, should not use this medicine as it could cause birth defects or harm unborn baby or infants on breast-milk.

Like most other drugs, it is also responsible for many side effects. It could cause drowsiness, dizziness, tiredness, diarrhea, and slow heartbeat. One of the most prominent and serious side effects is that it may reduce blood flow to patient’s hands and feet, causing them to feel cold.  It could also cause very slow heartbeat, severe dizziness or fainting. It could lead to worsening symptoms of heart failure such as swelling of ankles and feet, severe tiredness, shortness of breath, sudden weight gain or breathing problems. Some patients may also suffer blue fingers or toes, trouble breathing, confusion, mood swings and depression.

Use of Toprol-XL could also result in decreased sexual ability or libido. It could also cause sexual dysfunction. If any of these effects persist or worsen, it is advisable to consult your doctor.