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Learn MoreTenormin (atenolol)
Brand Name
Tenormin {AstraZeneca}
Generic Name
atenolol, pronounced ah TEN oh lol
Product (generic)
Strength & Quantity
Atenolol
(Atenolol)
(Atenolol)
Strength & Quantity
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Product (generic)
Strength & Quantity
Atenolol
(Atenolol)
(Atenolol)
Strength & Quantity
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Drug Guide
The information contained in the following drug guide is intended as an educational resource only. This guide is not exhaustive and does not contain all available information about this drug.This guide is not intended as medical advice for individual conditions or treatment.
The information provided in this guide does not replace the need for the advice and services of medical professionals or the need for medical examination. Always talk to your physician or pharmacist before taking any prescription medication or over the counter drugs (including any supplements) or before making any changes to your treatment. Only your doctor, nurse or pharmacist can provide you with safe and effective advice regarding your drug treatment.
The use of the information in this guide is at your sole risk. This information is provided "AS IS" with no warranties to accuracy or timeliness.
**All trademarks and registered trademarks are the property of their respective owners.
What is Tenormin?
Tenormin is a medication to treat hypertension, or high blood pressure and angina .You may be prescribed Tenormin to treat or prevent a heart attack. Tenormin may also be used for purposes not described in this medication guide.
Key Facts About Tenormin
Tenormin is in the group of medications called beta-blockers. Beta-blockers affect your heart and circulation by helping your blood to flow easier through your arteries and veins.
Pregnancy/BreastfeedingTenormin should not be used during pregnancy. If you become pregnant while taking Tenormin you should contact your doctor right away. You should be sure to use effective birth control while taking Tenormin. As Tenormin may pass to a baby through breast milk it should not be used while breast-feeding. If you must use Tenormin, do not breastfeed a baby.
While you are taking Tenormin you should not drink alcohol. Because drinking alcohol can further lower your blood pressure you may experience an increase in certain side effects of Tenormin if you drink while taking it.
Tenormin may cause side effects that can impair your thoughts or reactions. Take care to drive carefully and be cautious when you do anything that requires you to be alert.
Continue to use Tenormin as your doctor has directed, and be sure to get your blood pressure checked regularly.
Before You Take Tenormin
If you are allergic to atenolol you should not take Tenormin.
If you have asthma, bronchitis, emphysema, diabetes, myasthenia gravis, pheochromocytoma or depression you should inform your doctor.
Tell your doctor if you have problems with your circulation, such as Raynaud’s syndrome before starting treatment with Tenormin.
You should inform your doctor if you have liver disease, kidney disease, or a thyroid condition before taking Tenormin.
If you suffer from low blood pressure, slow heart beats, sick sinus syndrome, congestive heart failure or have had a heart block you should tell your doctor before taking Tenormin.
Let your doctor know if you drink 2 or more alcoholic beverages daily. Alcohol can increase the risk of side effects like dizziness and drowsiness if you are taking Tenormin.
Continue to take Tenormin even if you feel well. Stopping Tenormin suddenly may cause adverse and unpleasant effects.
It is important for you to understand how Tenormin fits into a complete program that your doctor may have prescribed for you. This program may include diet, exercise, and weight control. Be sure to follow your diet, medication, and exercise routines very closely. If your body changes due to loss or increase in weight, your need for Tenormin may also change. Discuss your weight, diet and exercise programs with your doctor to maximize your lifestyle choices and your medication use.
Tenormin Drug Interactions
You should inform your doctor if you are taking any of the following:
- allergy treatments
- amiodarone (Cordarone, Pacerone)
- asthma or other breathing disorder medications like albuterol (Ventolin, Proventil), bitolterol (Tornalate), metaproterenol (Alupent), pirbuterol (Maxair), terbutaline (Brethaire, Brethine, Bricanyl), and theophylline (Theo-Dur, Theolair)
- clonidine (Catapres)
- cold medications
- diabetes medications like insulin, glyburide (Diabeta, Micronase, Glynase), glipizide (Glucotrol), chlorpropamide (Diabinese), and metformin (Glucophage)
- diet pills
- digoxin (digitalis, Lanoxin)
- disopyramide (Norpace)
- guanabenz (Wytensin)
- heart medications like nifedipine (Procardia, Adalat), reserpine (Serpasil), verapamil (Calan, Verelan, Isoptin), and diltiazem (Cartia, Cardizem)
- MAO inhibitors like isocarboxazid (Marplan), tranylcypromine (Parnate), phenelzine (Nardil), and selegiline (Eldepryl, Emsam)
- stimulants
Other drugs you take that are not listed may interact with Tenormin. You should tell your doctor about all of the medications you use. This includes prescription drugs, vitamins, supplements and herbal products, and over the counter medications. You should not begin taking a new medication without telling your doctor first.
Directions for Taking Tenormin
You should take Tenormin exactly your doctor has told you to. It is important that you do not take Tenormin in larger or smaller amounts, or for longer or shorter than recommended. Follow the directions on your prescription label and follow any dose changes carefully if your doctor instructs you to change your dose.
Tenormin should be taken at the same time every day.
You may take Tenormin with or without food. Take Tenormin at the same time each day.
You may need to take Tenormin on a long-term basis for the treatment of high blood pressure. It is important that you follow up with your doctor on a regular basis to be sure that Tenormin is helping your condition and not causing you to have any adverse or harmful effects.
Tenormin should be stored at room temperature, and away from both moisture and heat.
If you miss a dose of Tenormin you should attempt to take the missed dose if your next dose is less than 8 hours away. However, if it is almost time for your next scheduled dose (less than 8 hours) away you should skip the dose you missed.
Tenormin Side Effects
If you experience any of the following adverse effects you should stop taking Tenormin and seek emergency medical help immediately.
- allergic reaction including breathing difficulties, hives and swelling of your face, lips, throat or tongue
- appetite loss
- clay colored stools, urine which is dark, jaundice
- cold feeling in your hands or feet
- depression
- faint feeling or light headedness
- fever, even low grade
- slow or uneven heartbeats
- shortness of breath, even with mild exertion
- stomach pain
- swelling of your ankles or feet
Less serious Tenormin side effects may include:
- decreased sex drive, impotence
- insomnia
- nervousness or anxiety
- tired feeling
It should be noted that this is not a complete list of possible side effects of Tenormin. You should contact your physician for a complete list and medical advice regarding these effects.
Tenormin Description and Dosing
Tenormin is available as 25 milligram, 50 milligram and 100 milligram tablets for oral administration. The 25 milligram tablet is a round, flat, uncoated white tablet identified with “T” debossed on one side and 107 debossed on the other side. The 50 milligram tablet is a round, flat, uncoated white tablet identified with “Tenormin” debossed on one side and 105 debossed on the other side, and bisected. The 100 milligram tablet is a round, flat, uncoated white tablet identified with “Tenormin” debossed on one side and 101 debossed on the other side.
If you are taking Tenormin you should consult your doctor for specific dosing. Do not attempt to alter or change your dose without your physician’s consent.
If you suspect that you have overdosed with Tenormin you should seek emergency help immediately.
Ingredients in Tenormin
Tenormin contains atenolol as the active ingredient. Other ingredients include magnesium stearate, microcrystalline cellulose, povidone, sodium starch glycolate.
The information contained in this drug guide is intended as an educational resource only. This guide is not exhaustive and does not contain all available information about this drug.This guide is not intended as medical advice for individual conditions or treatment.
The information provided in this guide does not replace the need for the advice and services of medical professionals or the need for medical examination. Always talk to your physician or pharmacist before taking any prescription medication or over the counter drugs (including any supplements) or before making any changes to your treatment. Only your doctor, nurse or pharmacist can provide you with safe and effective advice regarding your drug treatment.
The use of the information in this guide is at your sole risk. This information is provided "AS IS" with no warranties to accuracy or timeliness.
**All trademarks and registered trademarks are the property of their respective owners.
