Generic Name: atenolol

What other drugs will affect atenolol?

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.

Where can I get more information?

Your pharmacist has additional information about atenolol written for health professionals that you may read.

What does my medication look like?

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

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.