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  • Atenolol–Chlorthalidone, contains two drugs that treats hypertension i.e. high blood pressure
  • Atenolol + Chlorthalidone, active ingredients used in similar drugs like Tenoretic
  • Lowers high blood pressure to prevent strokes, heart attacks and kidney problems and also treats chest pain
  • Atenolol, a beta blocker blocks an action of natural chemicals in your body like epinephrine, on the heart and blood vessels
  • Chlorthalidone, a water pill helps body to get rid of extra salt and water
  • Medicine is composed as white circular conventional tablet and packed as 15 pills per blister pack
  • Dosages are available in tablet 25 mg with Atenolol (25 mg) + Chlorthalidone (12.5 mg), 50 mg with Atenolol (50 mg) + Chlorthalidone (12.5 mg), and 100 mg with Atenolol (100 mg) + Chlorthalidone (25 mg),
  • Effectiveness can be seen in 1 to 2 weeks of dosages

Directions for Use

Oral drug should be taken once a day before or after meal as prescribed by doctor

Do’s and Don’ts

  • Do not chew this medicine
  • Check blood sugar and heart rate regularly
  • Not suitable for breastfeeding women
  • Not recommended for pregnant women
  • Missed dose can be taken before next dose
  • Overdose can cause passing out or trouble breathing
  • Avoid consuming tobacco and smoking
  • Medicine should not be shared with others

Side Effects

Common side effects:

  • Nausea
  • Lightheadedness
  • Dizziness
  • Drowsiness
  • Diarrhea
  • Cold hands and feet

Serious side effects:

  • Surprising tiredness
  • Difficulty in breathing
  • Unexpected weight gain
  • Decelerate heart beat
  • Fainting
  • Severe mood swings
  • Depression
  • Joint pain
  • Low vision and eye pain

 Rare side effects:

  • Allergic reaction
  • Rash
  • Itching/swelling


  • Patients with problems related to heart, heart rhythm, blood circulation, kidney, and serious muscle disease should consult the doctor before starting this medication
  • Ignore driving or activities which require alertness
  • Consumption of alcohol and drugs like marijuana strictly prohibited
  • Avoid drinking apple/orange juice after taking this medication
  • Get up carefully from sitting or lying position
  • Use sunscreen and wear protectable cloths in sunlight
  • Do not mix it with other medication like Colestipol


  • Store this medicine at 25o C or at room temperature
  • Do not put it in the direct sunlight
  • Keep it away from the moist places like bathroom


  • Avoid flushing this medicine
  • Discard medicine after 6 months or expiry date
  • Discard this medicine with proper disposal method