"What are beta blockers?
The class of drugs called beta blockers were given their name because this class of medications counteracts the stimulatory effects of epinephrine (adrenaline) on the so-called beta-adrenergic receptors found"...
Tenormin Patient Information including If I Miss a Dose
In this Article
- What is atenolol (Tenormin)?
- What are the possible side effects of atenolol (Tenormin)?
- What is the most important information I should know about atenolol (Tenormin)?
- What should I discuss with my healthcare provider before taking atenolol (Tenormin)?
- How should I take atenolol (Tenormin)?
- What happens if I miss a dose (Tenormin)?
- What happens if I overdose (Tenormin)?
- What should I avoid while taking atenolol (Tenormin)?
- What other drugs will affect atenolol (Tenormin)?
- Where can I get more information?
What happens if I miss a dose (Tenormin)?
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.
What happens if I overdose (Tenormin)?
Seek emergency medical attention if you think you have used too much of this medicine.
Overdose symptoms may include uneven heartbeats, shortness of breath, bluish-colored fingernails, dizziness, weakness, fainting, or seizure (convulsions).
What should I avoid while taking atenolol (Tenormin)?
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.
What other drugs will affect atenolol (Tenormin)?
Before taking atenolol, tell your doctor if you are using:
- allergy treatments (or if you are undergoing allergy skin-testing);
- amiodarone (Cordarone, Pacerone);
- clonidine (Catapres);
- digoxin (digitalis, Lanoxin);
- disopyramide (Norpace);
- 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.
This list is not complete and there may be other drugs that can interact with 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.
Where can I get more information?
Your pharmacist can provide more information about atenolol.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.
Copyright 1996-2012 Cerner Multum, Inc. Version: 8.04. Revision date: 12/15/2010.
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Additional Tenormin Information
- Tenormin Drug Interactions Center: atenolol oral
- Tenormin Side Effects Center
- Tenormin Overview including Precautions
- Tenormin FDA Approved Prescribing Information including Dosage
Tenormin - User Reviews
Tenormin User Reviews
Now you can gain knowledge and insight about a drug treatment with Patient Discussions.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Get tips on handling your hypertension.