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Atenolol
By admin | January 12, 2008
Do not stop taking atenolol without first talking to your doctor. Stopping suddenly may make your condition worse.If you need to have any type of surgery, you may need to temporarily stop using atenolol. Be sure the surgeon knows ahead of time that you are using atenolol.
Atenolol can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert. Avoid drinking alcohol, which could increase drowsiness and dizziness while you are taking atenolol.Atenolol is only part of a complete program of treatment for hypertension that may also include diet, exercise, and weight control. Follow your diet, medication, and exercise routines very closely if you are being treated for hypertension.
Hypertension often has no symptoms, so you may not even feel that you have high blood pressure. Continue using this medicine as directed, even if you feel well. You may need to use blood pressure medication for the rest of your life.
Atenolol is in a group of drugs called beta-blockers. Beta-blockers affect the heart and circulation (blood flow through arteries and veins).
Atenolol is used to treat angina (chest pain) and hypertension (high blood pressure). It is also used to treat or prevent heart attack.
Atenolol may also be used for purposes other than those listed in this medication guide.
Before taking atenolol, tell your doctor, your medical record:
- asthma, bronchitis, emphysema;
- diabetes;
- low blood pressure;
- a heart problem such as heart block, sick sinus syndrome, slow heart rate, or congestive heart failure;
- depression;
- liver or kidney disease;
- a thyroid disorder;
- myasthenia gravis;
- pheochromocytoma; or
- problems with circulation (such as Raynaud’s syndrome).
If you have any of these conditions, you may not be able to use atenolol, or you may need a dosage adjustment or special tests during treatment.
FDA pregnancy category D. This medication can cause harm to an unborn baby. Do not use atenolol if you are pregnant. Tell your doctor if you become pregnant during treatment. Use an effective form of birth control while you are using this medication. Atenolol can pass into breast milk and may harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
Take atenolol exactly as it was prescribed for you. Do not take the medication in larger amounts or for longer than recommended by your doctor.Take this medication with a full glass of water.Take atenolol at the same time every day.
Do not skip doses or stop taking atenolol without first talking to your doctor. Stopping suddenly may make your condition worse.To be sure this medication is helping your condition, your blood pressure will need to be checked on a regular basis. It is important that you not miss any scheduled visits to your doctor.
If you need to have any type of surgery, tell the surgeon that you are using atenolol. You may need to briefly stop using atenolol before having surgery.
Atenolol is only part of a complete program of treatment for hypertension that may also include diet, exercise, and weight control. Follow your diet, medication, and exercise routines very closely if you are being treated for hypertension.
Hypertension often has no symptoms, so you may not even feel that you have high blood pressure. Continue using this medicine as directed, even if you feel well. You may need to use blood pressure medication for the rest of your life.
Store atenolol at room temperature away from moisture and heat.
Take the missed dose as soon as you remember. If your next dose is less than 8 hours away, skip the missed dose and take the medicine at the next regularly scheduled time. Do not take extra medicine to make up the missed dose.
Seek emergency medical attention if you think you have used too much of this medicine.Symptoms of an atenolol overdose may include uneven heartbeats, shortness of breath, bluish-colored fingernails, dizziness, weakness, fainting, or seizure (convulsions).
Atenolol can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert. Avoid drinking alcohol, which could increase drowsiness and dizziness while you are taking atenolol.
If side effects of atenolol happen get emergency medical help if you have any of these
- slow or uneven heartbeats
- feeling light-headed, fainting
- feeling short of breath, even with mild exertion
- swelling of your ankles or feet
- nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes)
- depression or
- cold feeling in your hands and feet.
Other less serious side effects are more likely to occur, such as:
- decreased sex drive, impotence, or difficulty having an orgasm
- sleep problems (insomnia)
- tired feeling or
- anxiety, nervousness.
Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
Before taking atenolol, tell your doctor if you are using:
- allergy treatments (or if you are undergoing allergy skin-testing)
- clonidine (Catapres)
- guanabenz (Wytensin)
- an MAO inhibitor such as isocarboxazid (Marplan), tranylcypromine (Parnate), phenelzine (Nardil), or selegiline (Eldepryl, Emsam)
- a diabetes medication such as insulin, glyburide (Diabeta, Micronase, Glynase), glipizide (Glucotrol), chlorpropamide (Diabinese), or metformin (Glucophage)
- a heart medication such as nifedipine (Procardia, Adalat), reserpine (Serpasil), verapamil (Calan, Verelan, Isoptin), diltiazem (Cartia, Cardizem)
- medicine for asthma or other breathing disorders, such as albuterol (Ventolin, Proventil), bitolterol (Tornalate), metaproterenol (Alupent), pirbuterol (Maxair), terbutaline (Brethaire, Brethine, Bricanyl), and theophylline (Theo-Dur, Theolair) or
- cold medicines, stimulant medicines, or diet pills.
If you are using any of these drugs, you may not be able to take atenolol, or you may need dosage adjustments or special tests during treatment.
There may be other drugs not listed that can affect atenolol. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.
Your pharmacist has additional information about atenolol written for health professionals that you may read.
Atenolol is available with a prescription under the brand name Tenormin. Other brand or generic forms may also be available. Ask your pharmacist any questions you have about this medication, especially if it is new to you.
- Tenormin 25 mg–round, flat, white, uncoated
- Tenormin 50 mg–round, flat, white, uncoated
- Tenormin 100 mg–round, flat, white, uncoated
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