Tenoretic is used in the treatment of high blood pressure.

Tenoretic combines Atenlol (a beta-blocker drug) and Chlorthalidone (a diuretic). Tenoretic can be used alone or in combination with other high blood pressure medications. Atenolol, the beta-blocker, decreases the force and rate of heart contractions. Chlorthalidone, the diuretic, helps your body produce and eliminate more urine, which helps in lowering blood pressure.

Tenoretic is a combination of Atenolol (Tenormin) and Chlorthalidone (Hygroton) used for the treatment of high blood pressure. Atenolol is a beta-adrenergic blocking agent.

Tenoretic (Atenolol) blocks the action of the sympathetic nervous system, a portion of the involuntary nervous system. The sympathetic nervous system stimulates the pace of the heartbeat. By blocking the action of these nerves, Tenoretic (Atenolol) reduces the heart rate and is useful in treating abnormally rapid heart rhythms.

Tenoretic can be taken with or without food. Take Tenoretic exactly as prescribed by your doctor, even if your symptoms have disappeared. Try not to miss any Tenoretic doses.

If Tenoretic is not taken regularly, your condition may worsen.

If you miss a Tenoretic dose:
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If Tenoretic is taken with certain other drugs, the effects of either could be increased, decreased, or altered.

It is especially important to check with your doctor before combining Tenoretic with the following: Blood pressure medicines containing reserpine Other blood pressure drugs Clonidine (Catapres) Diltiazem (Cardizem) Epinephrine (EpiPen) Insulin Lithium (Eskalith) Nasal decongestants Nonsteroidal anti-inflammatory drugs such as Indocin and Motrin Verapamil (Calan).

Most important fact about Tenoretic:
You must take Tenoretic regularly for it to be effective. Since blood pressure declines gradually, it may be several weeks before you get the full benefit of Tenoretic; and you must continue taking Tenoretic even if you are feeling well. Tenoretic does not cure high blood pressure; it merely keeps it under control.

Special Information On Tenoretic:
If you are pregnant or breastfeeding:

Side effects of Tenoretic cannot be anticipated.

If any develop or change in intensity, inform your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking Tenoretic.

More common Tenoretic side effects may include: Dizziness, fatigue, nausea, slow heartbeat.

Less common or rare Tenoretic side effects may include: Blood disorders, constipation, cramping, decreased sexual ability, depression, diarrhea, difficult or labored breathing, dizziness