Generic Lopressor/ Toprol XL, Metoprolol XR

Metoprolol is a beta blocker that is prescribed, alone or along with other agents, to help treat hypertension. It is also prescribed to help treat angina as well as to improve one's survival after a heart attack. In addition, Metoprolol XL is prescribed along with other agents for the treatment of certain forms of heart failure.

Lopressor, Toprol XL

Metprolol (Metoprolol Succinate/ Metoprolol Tartrate)

Metolar XR,Lopresor,Seloken Xl, Metocard XL, Lopresor, Embeta, Betaloc, Saneloc


Ajanta Pharma Ltd., NOVRTIS, Astrazeneca Pharma, Cipla, Intas Laboratories, Torrent

Tablet, Tablet (SR), Capsule

12.5 mg, 25 mg, 50 mg, 75 mg, 100 mg




Metoprolol is used for hypertension, angina, arrhythmias, heart attack, heart failure and migraine.

How it Works

Metoprolol is known as a beta-blocker or beta-adrenergic blocking agent, beta-blocking agent. Metoprolol works by blocking the action of certain chemical messengers on the heart and blood vessels,Metoprolol slows down the activity of your heart by stopping messages sent by some nerves to your heart. This effect reduces heartbeat, blood pressure, and strain on the heart following a heart attack.

Common Side effects

Patients who take Metoprolol may suffer from such side effects;

Irregular heartbeat,
Abdominal pain,
Slow heart rate


Metoprolol XR Tablets is a cardioselective beta-blocking drug. It usually affects the way that blood flows through the blood vessels. It is used for the treatment of hypertension and also chest pains. It also plays an important role to treat or prevent a heart attack. This drug is a white powder and is usually taken orally. It can readily dissolve in both water and methanol.


The main ingredient of this drug is metoprolol succinate and it is in crystalline powder form and has inactive components which include: sodium stearyl fumarate, paraffin, silicon dioxide, polyethylene glycol, cellulose compounds and titanium dioxide. It comes in capsule form and to be taken orally as prescribed by the physician.


Metoprolol XR Tablets should strictly be taken as prescribed by a doctor. Any change of dosage can affect the patient negatively. The instructions on the drug label should be read as well. This drug should be taken approximately at the same time of the day on a daily basis. The daily dose should be taken either with food or immediately after a meal. You should not chew it to avoid altering the intended absorption rate of the drug. Your blood pressure should be monitored closely, and therefore you should ensure you visit the doctor regularly to check on your condition.

Dosage and administration

Metoprolol XR Tablets is usually taken as one tablet orally every day. However, the doctor might prescribe only half a tablet daily and it depends on your condition


Metoprolol XR Tablets should not be used be used by patients who are allergic to any beta-blocker or any one ingredient of the drug.

Important Precautions

If you are pregnant or you are breastfeeding you should inform your doctor before being prescribed Metoprolol. This will help the doctor to make the necessary adjustments while prescribing Metropolol. The other conditions that you should inform your doctor about are cirrhosis, problems of the heart, diseases that affect the breathing system, diseases of the kidney, diabetes, an allergy history or pheochromocytoma.


Metoprolol XR Tablets is known to interact with drugs like digitalis, diuretics, terbinafine, diet pills, antimalarial drugs, antidepressants asthma drugs, drugs for diabetes and medicine for ear conditions. Therefore, you should not consume  any of these drugs without the knowledge of your doctor. This is because you might end up experiencing serious complications due to an interaction between Metoprolol and the drug.

Side effects

The side effects associated with this drug are breathing difficulties, facial swelling, hives, swelling of lips and tongue swelling. Other side effects include fainting, nausea, unusual bleeding, running short of breath, wheezing and numbness in the limbs. If any of these symptoms arises you should get medical attention immediately. These effects usually vary with different individuals. The less serious and most common side effects include headaches, fatigue, dry mouth, a decrease in libido, insomnia and diarrhea.


Metoprolol XR Tablets should be stored at room temperatures away from the reach of children and in a dry place.

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