Atenolol is a medication in a class of drugs known as beta blockers. According to MedlinePlus, Atenolol works by relaxing blood vessels and slowing the heart rate to improve blood flow and decrease blood pressure. It is used for the treatment of high blood pressure, angina and to treat or help to prevent cardiac arrest. This medication should never be discontinued abruptly because doing so may be dangerous. Atenolol may be prescribed in conjunction with other medications, diet and exercise. There are some side effects associated with Atenolol.
Sexual Dysfunction
Atenolol may cause sexual dysfunction in some users. Symptoms can include decreased sex drive, impotence or difficulty having an orgasm, reports Drugs.com. If these side effects become bothersome they should be reported to a physician. They may recommend altering the patients medication regimen or prescribing a drug intended to treat sexual dysfunction.
Dizziness and Lightheadedness
Atenolol may cause dizziness and lightheadedness. These side effects may be temporary until the body adjusts to Atenolol. Patients should use caution while driving or operating machinery since doing so may be dangerous until they know how Atenolol will affect them. Drinking alcohol may increase these effects and should be avoided. In some cases, dizziness and lightheadedness may be symptoms of a dangerously low blood pressure. Patients taking Atenolol should be instructed how to monitor their blood pressure at home and then to contact their physician.
Nausea and Diarrhea
Some patients taking Atenolol may experience nausea and diarrhea. Taking Atenolol with food or milk may help to relieve nausea. Eating a bland diet and having smaller meals more frequently may help alleviate stomach discomfort. Diarrhea that persists or becomes severe should be brought to the attention of a doctor. If left untreated, it can lead to dehydration which may cause additional complications.
Depression
Patients may experience depression while taking Atenolol, reports MedlinePlus. Symptoms of depression can include insomnia, sadness, an inability to concentrate, negative thoughts and feelings of hopelessness. Patients who experience these symptoms should seek immediate medical attention.
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