April 23, 2017
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"SYDNEY, AUSTRALIA ” A small randomized trial reports sharp blood-pressure reductions in untreated hypertensives using a single pill combining four BP-lowering drugs at one-quarter the usual dose.

Among 18 patients, mean 24-hour systol"...



Tenoretic Patient Information Including Side Effects

Brand Names: Tenoretic 100, Tenoretic 50

Generic Name: atenolol and chlorthalidone (Pronunciation: a TEN oh lole and klor THAL i done)

What is atenolol and chlorthalidone (Tenoretic)?

Atenolol is in a group of drugs called beta-blockers. Beta-blockers affect the heart and circulation (blood flow through arteries and veins).

Chlorthalidone is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.

The combination of atenolol and chlorthalidone is used to treat hypertension (high blood pressure).

Atenolol and chlorthalidone may also be used for purposes not listed in this medication guide.

Atenolol-Chlorthalidone 100 mg-25 mg-MUT

round, white, imprinted with MP 152

Atenolol-Chlorthalidone 100-25 mg-MYL

round, white, imprinted with M 64

Atenolol-Chlorthalidone 100-25 mg-WAT

round, white, imprinted with DAN 5783

Atenolol-Chlorthalidone 50 mg-25 mg-MUT

round, white, imprinted with MP 153

Atenolol-Chlorthalidone 50-25 mg-MYL

round, white, imprinted with M 63

Atenolol-Chlorthalidone 50-25 mg-WAT

round, white, imprinted with DAN 5782

Tenoretic 100

round, white, imprinted with 117, TENORETIC

Tenoretic 50

round, white, imprinted with TENORETIC, 115

What are the possible side effects of atenolol and chlorthalidone (Tenoretic)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling;
  • fast, slow, or uneven heartbeats;
  • feeling like you might pass out;
  • feeling short of breath, even with mild exertion;
  • swelling, rapid weight gain;
  • pale skin, easy bruising, unusual bleeding (nose, mouth, vagina, or rectum), purple or red pinpoint spots under your skin, trouble concentrating;
  • confusion, hallucinations, seizure (convulsions);
  • cold feeling in your hands and feet;
  • nausea, upper stomach pain, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
  • dry mouth, extreme thirst, drowsiness, restless feeling, nausea, vomiting, increased urination, leg discomfort, muscle pain or weakness, fainting; or
  • memory problems, weakness, loss of appetite, feeling unsteady, shallow breathing or breathing that stops.

Less serious side effects may include:

  • dizziness, spinning sensation;
  • tired feeling;
  • diarrhea, constipation, upset stomach;
  • headache;
  • mild itching or skin rash; or
  • impotence, loss of interest in sex, or trouble having an orgasm.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the Tenoretic (atenolol and chlorthalidone) Side Effects Center for a complete guide to possible side effects

What is the most important information I should know about atenolol and chlorthalidone (Tenoretic)?

Do not use atenolol and chlorthalidone if you are pregnant. It could harm the unborn baby.

You should not use this medication if you are allergic to atenolol (Tenormin) or chlorthalidone (Hygroton, Thalitone), or if you have a serious heart problem such as heart block or slow heart rate, if you are unable to urinate, or if you are allergic to sulfa drugs (such as Bactrim, Septra, Sulfatrim, SMX-TMP, and others).

Before you take atenolol and chlorthalidone, tell your doctor if you have congestive heart failure, angina (chest pain), liver or kidney disease, a lung disorder, diabetes, gout, lupus, a thyroid disorder, adrenal gland tumor, psoriasis, or circulation problems.

If you need surgery, tell the surgeon ahead of time that you are using atenolol and chlorthalidone.

Do not stop taking this medication without first talking to your doctor. Stopping suddenly may make your condition worse.

If you do stop taking this medication for any reason, limit your physical activity to prevent heart problems. Your doctor may recommend that you start taking the medication again if you have withdrawal symptoms.

Atenolol and chlorthalidone 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.

Keep using this medicine as directed, even if you feel well. High blood pressure often has no symptoms. You may need to use blood pressure medication for the rest of your life.

Side Effects Centers

Tenoretic - User Reviews

Tenoretic User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Tenoretic sorted by most helpful. Patient Discussions FAQs

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.