Skip to main content

Tenoretic 50 Side Effects

Generic name: atenolol / chlorthalidone

Medically reviewed by Drugs.com. Last updated on Feb 17, 2024.

Note: This document provides detailed information about Tenoretic 50 Side Effects associated with atenolol / chlorthalidone. Some dosage forms listed on this page may not apply specifically to the brand name Tenoretic 50.

Applies to atenolol / chlorthalidone: oral tablet.

Serious side effects of Tenoretic 50

Along with its needed effects, atenolol/chlorthalidone may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking atenolol / chlorthalidone:

More common

  • cold arms or legs
  • difficult or labored breathing
  • shortness of breath
  • tightness in chest
  • wheezing

Less common

  • chest pain or discomfort
  • chills
  • cold sweats
  • confusion
  • dizziness, faintness, or lightheadedness when getting up from lying or sitting position
  • leg pain
  • lightheadedness, dizziness, or fainting
  • slow or irregular heartbeat
  • unusual tiredness or weakness

Incidence not determined

  • black, tarry stools
  • bleeding gums
  • blood in urine or stools
  • feeling that others are watching you or controlling your behavior
  • feeling that others can hear your thoughts
  • fever
  • general feeling of discomfort, illness, or weakness
  • paleness or cold feeling in fingertips and toes
  • pinpoint red spots on skin
  • seeing, hearing, or feeling things that are not there
  • severe mood or mental changes
  • skin irritation or rash, including rash that looks like psoriasis
  • tingling or pain in fingers or toes when exposed to cold
  • unusual behavior
  • unusual bleeding or bruising

Get emergency help immediately if any of the following symptoms of overdose occur while taking atenolol / chlorthalidone:

Symptoms of overdose

Other side effects of Tenoretic 50

Some side effects of atenolol / chlorthalidone may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

  • discouragement
  • feeling sad or empty
  • irritability
  • lack of appetite
  • loss of interest or pleasure
  • tiredness
  • trouble concentrating
  • trouble sleeping

Less common

  • diarrhea
  • feeling of constant movement of self or surroundings
  • nausea
  • sensation of spinning
  • unusual drowsiness, dullness, or feeling of sluggishness

Incidence not determined

  • decreased interest in sexual intercourse
  • disturbed color perception
  • double vision
  • hair loss, thinning of hair
  • halos around lights
  • headache
  • inability to have or keep an erection
  • loss in sexual ability, desire, drive, or performance
  • loss of vision
  • night blindness
  • overbright appearance of lights
  • pain of penis on erection
  • tunnel vision

For healthcare professionals

Applies to atenolol / chlorthalidone: oral tablet.

General

The most common adverse reactions were bradycardia, cold extremities, gastrointestinal disturbances, fatigue, hyperuricemia, hyponatremia, hypokalemia, and impaired glucose tolerance.[Ref]

Metabolic

Chlorthalidone (chlortalidone):

Cardiovascular

Atenolol:

Chlorthalidone (chlortalidone):

Gastrointestinal

Atenolol:

Chlorthalidone (chlortalidone):

Other

Atenolol:

Chlorthalidone (chlortalidone):

Psychiatric

Atenolol:

Chlorthalidone (chlortalidone):

Hepatic

Atenolol:

Chlorthalidone (chlortalidone):

Dermatologic

Atenolol:

Chlorthalidone (chlortalidone):

Nervous system

Atenolol:

Chlorthalidone (chlortalidone):

Hematologic

Atenolol:

Chlorthalidone (chlortalidone):

Ocular

Atenolol:

Chlorthalidone (chlortalidone):

Respiratory

Atenolol:

Genitourinary

Atenolol:

Chlorthalidone (chlortalidone):

Immunologic

Atenolol:

Musculoskeletal

Atenolol:

Chlorthalidone (chlortalidone):

References

1. (2001) "Product Information. Tenoretic (atenolol-chlorthalidone)." Astra-Zeneca Pharmaceuticals

2. Cerner Multum, Inc. "UK Summary of Product Characteristics."

Further information

Tenoretic 50 side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.