What is Chlorthalidone? Full information, usage, benefits and side effects

What is Chlorthalidone? Full information, usage, benefits and side effects


Diltiazem belongs to a class of drugs called calcium channel blockers. It relaxes the blood vessels so the heart doesn't have to pump as hard. It also increases blood and oxygen supply to the heart. Chlorthalidone is a thiazide diuretic (water pill) that prevents the body from absorbing too much salt, leading to fluid retention.


  • Chlorthalidone treats fluid accumulation  in people with congestive heart failure, cirrhosis, kidney disease, or edema [ Edema is swelling caused by excess fluid trapped in your body's tissues. ]caused by steroid or estrogen use.


  • Chlorthalidone is also used to treat high blood pressure.
  • Chlorthalidone may also be used for purposes not listed in this medication guide.
  • Do not use chlorthalidone if you are allergic to it, or if you cannot urinate and are allergic to sulfa drugs.


Chlorthalidone is available as an oral tablet. It is usually taken once a day or every other day, preferably after breakfast. It is best to take this medicine in the morning to avoid going to the bathroom at night.Follow the directions on the prescription label carefully and ask your doctor or pharmacist to clarify any areas you do not understand. Take chlorthalidone as directed. Do not take more or less, or more often than directed by your doctor.

Chlorthalidone controls high blood pressure but does not cure it. Continue taking chlorthalidone even if you feel well. Do not stop taking chlorthalidone without talking to your doctor.

Side Effects:

Common side effects:

  • Low blood pressure
  • kidney problems

Chlorthalidone may cause serious side effects:

  • muscle weakness
  • dizzy
  • convulsions
  • thirst
  • stomach pain
  • upset stomach
  • vomit
  • diarrhea
  • loss of appetite
  • headache
  • hair loss

Tell your health practitioner if any of these signs are intense or do now no longer pass away.


Please consult your doctor/physician/specialist before taking any healthcare products. In case of allergic reaction to the medicines/substance, please take immediate medical help.

Back to blog

Leave a comment