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Lopressor SR (Metoprolol Tartrate SR)

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Lopressor SR is not available. Lopressor SR is a brand name for Metoprolol Tartrate SR. Other brands and generics of Metoprolol Tartrate SR are available below.
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Full information about Lopressor SR

General Information on Lopressor SR

Lopressor SR (sustained release) is prescribed for the treatment of hypertension and angina pectoris. The generic name of this drug is Metoprolol. It falls in a category of drugs referred as beta-blockers.

Lopressor SR works by helping the heart to beat more easily. This drug is meant for oral administration only. You can buy Lopressor SR in form of oral tablets in following two strengths – Lopressor SR 100 mg and Lopressor SR 200 mg.

Lopressor SR does not cure the aforementioned medical conditions. Instead, it helps in managing blood pressure and relieving symptoms associated with angina pectoris. You should always consult a doctor before you buy Lopressor SR. Using this drug for unintended medical purposes may lead to serious complications.

Side effects of Lopressor SR

Lopressor SR may cause certain side effects in some patients. Some of the more common, and less serious, side effects that this beta blocker may cause include: ringing in the ears, body aches, upset stomach, blurred vision, sore throat, diarrhea, nausea, constipation, vomitting, dizziness, or spinning sensation. In most cases, the aforementioned side effects occur during the first few days of treatment and disappear on their own once patient’s body gets used to the drug. In case you experience any of these side effects and they are severe or occur continuously for many days, you must inform your doctor about it.

Other side effects of this beta-blocker may include: eye pain, less urination, vision problems, increased urination, extreme thirst, mental/mood changes (hallucinations, confusion, restlessness), seizure, dizziness, or signs of liver damage (low fever, stomach pain, dark urine, clay colored or black stools, yellowing of the eyes or skin). You should consult your doctor immediately if you experience any of these side effects.

Some patients may experience an allergic reaction after taking Lopressor SR oral tablet. If this happens in your case, you should promptly seek medical help. Symptoms of allergic reaction include: hives, skin rashes, facial flushness, wheezing, trouble breathing, or closing of the throat.

Patients who suffer from certain conditions should not use Lopressor SR. Such conditions are heart blockage (2nd or 3rd degree), heart failure, blood circulation problems, and pheochromocytoma. In addition, patients who have previously used Lopressor SR or any other beta-blocker and experienced an allergic reaction should also not use this drug.

Patients are advised that they discuss their medical history with their doctor prior to starting treatment. Your doctor must be aware if you have or have had any of the following: lupus, diabetes, bronchitis, asthma, glaucoma, chronic heart failure, liver disease, or kidney disease.

Dosage of Lopressor SR

The exact dosage of Lopressor SR is different for different patients. Your doctor will inform you about the correct dosage after evaluating your condition and response to the treatment.

You should take your medication exactly as directed by your physician. Do not decrease or increase your dosage without consulting your doctor.


Certain drugs, such as NSAIDs, anti-malaria drugs, certain antibiotics, certain antidepressants, steroids, antipsychotic drugs, or HIV medications may interact with Lopressor SR. Before starting treatment, you should inform your doctor about all other drugs that you are using.

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