Atenolol is a medication in a class of drugs known as beta blockers. According to MayoClinic.com, it works by affecting the response to nerve impulses in the heart causing the heart to beat slower which helps to decrease blood pressure. Atenolol may be used by itself, or in conjunction with other medications and diet and lifestyle modification. It is available by prescription only. This medication may cause birth defects in an unborn baby. Any woman who is pregnant or planning to become pregnant should consult with their physician prior to taking this medication. There are some side effects associated with atenolol that patients should be aware of.
Sexual Dysfunction
Patients taking atenolol may experience sexual dysfunction. Symptoms can include decreased sex drive, impotence or difficulty having an orgasm, says Drugs.com. If these side effects become bothersome, patients should consult their physician. He may recommend an alternate medication or dosage, or prescribe a medication intended to treat sexual dysfunction.
Insomnia
Patients taking atenolol may experience insomnia. Insomnia is difficulty falling or staying asleep at night. Taking a warm bath, meditation, or drinking hot decaffeinated tea at bedtime may promote relaxation and help a person fall asleep naturally. If these methods are unsuccessful, a physician should be notified. A prescription sleeping medication to combat insomnia may be recommended.
Fatigue
Atenolol may cause fatigue in some patients. They may feel more tired and sleepier than usual. Getting an adequate amount of sleep each night and taking a mid-day nap may help a person feel more refreshed and energetic throughout the day. Severe fatigue should be reported to a physician. Those who experience fatigue accompanied by shortness of breath, fainting or feelings of lightheadedness may be having a serious reaction to atenolol and should seek immediate medical attention.
Vertigo
Patients taking atenolol may experience a sensation of spinning, also known as vertigo, says MayoClinic.com. In some cases, this side effect may occur when blood pressure is dangerously low. Patients taking this medication should be instructed on how to monitor their blood pressure at home and when to notify their doctor. A patient who develops a lower than normal blood pressure while taking atenolol should seek medical attention prior to taking another dose of medication.
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