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General Information
What should I know before taking this drug
Dosage information
Adverse reactions
Additional information if any

Candesar tab (Ranbaxy (Cardiovasculars))
Cantar tab (Dr. Reddy’s)

Candesartan is a prescription drug available from your pharmacy store only with the prescription of a qualified medical practitioner.


Candesartan is pronounced as: kan de SAR tan

Candesartan is an anti hypertensive drug belongs to angiotensin-II receptor blocker.

Candesartan is used in treatment of hypertension and heart failure

  • Take Candesartan exactly as prescribed by your doctor. If do not understand these instructions ask your pharmacist, nurse or doctor to explain them to you.
  • Do not take candesartan in larger amounts or for longer duration than recommended by your doctor. 
  • Take candesartan with a full glass of water at regular intervals to avoid forgetting.
  • Do not skip doses or stop taking candesartan without consulting your doctor. Stopping suddenly may worsen hypertension.
  • Do not use potassium supplement without consulting your doctor.
  • Always remember to inform your health expert if you are currently taking any OTC or prescription drugs like,
    1. Lithium (mood stabilizer)
    2. Digoxin
    3. Other Anti hypertensive drugs
    4. Potassium sparing diuretics like Amiloride, spironolactone
  • Inform your doctor if you have following medical diseases , as Candesartan should be used cautiously in these conditions
    1. Liver disease
    2. Kidney disease, Renal artery stenosis
    3. Dehydration
    4. Electrolyte imbalance

Pregnant woman in her 2nd and 3rd trimester should not use candesartan.


Old people:
Pregnant woman:

1st semester

Candesartan belongs to FDA pregnancy category C. This means that candesartan may harm an unborn baby if used during pregnancy but potential benefit may warrant use of the drug in pregnant woman despite potential risks. Always inform your doctor if you are pregnant or are planning for conception.

2nd and 3rd semester

Candesartan belongs to  FDA pregnancy category D. This means that candesartan can harm an unborn baby and cause birth defects if used during pregnancy. Do not use candesartan with out your doctor consent however its use is justified if the benefits to the mother outweigh the risks. Always inform your doctor if you are pregnant or are planning for conception.
Lactating women: Candesartan passes into breast milk and harm nursing baby. Do not use candesartan with out the consent from your doctor if you are breastfeeding your child.
Other: Avoid alcohol when on candesartan as it increases drowsiness and side effects caused by candesartan.

Candesartan is available in the form of tablet. 

Use as directed by your physician, your physician prescribes depending on the severity of disease.
Use the complete course of medication as prescribed by your physician even though you feel better after one or two days of usage of medication.

If it is almost the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not take two doses at same time to cover up the missed dose.

In case of overdose contact your nearest poison control centre or emergency medical centre for immediate care by physician.

The overdose symptoms of candesartan are
  • Rapid or slow Irregular heartbeat
  • Extreme weakness
  • Fainting

Candesartan may cause following side effect

  • Cough , nasal congestion
  • Sore throat
  • Nausea , Diarrhoea 
  • Dizziness 
  • Headache 
  • Fatigue

Consult your doctor immediately if notice following symptoms.

  • Allergic reaction like swollen lips, hives, difficulty in breathing, rashes. Peeling of skin etc
  • Chest pain
  • Decrease in the amount of urine
  • Oedema of the feet / hands
  • Slow irregular heart rate
  • Muscle weakness

Store candesartan at room temp (15 – 30 degrees C). Avoid excessive heat, moisture or direct sunlight, never store in the bathroom.
Keep it out of reach of children. Make sure that any leftover portion is disposed off safely.

  • Candesartan causes dizziness when used for the first time when getting up from sitting or lying down position. Hence avoid alcohol and activities which requires you to be alert.
  • Do not take potassium supplements without consulting your doctor as it may cause increase side effects.
  • Regular monitoring of serum potassium levels is required especially in elderly patients and those with renal impairment to look for side effects.
  • Visit your doctor regularly for monitoring your blood pressure and pulse rate when taking candesartan.
  • Hypertension often has no symptoms, so you may not even feel that you have high blood pressure. Continue using this medicine as directed, even if you feel well. You may need to use blood pressure medication for the rest of your life.
  • Adopt healthy lifestyle changes like regular exercise, healthy diet, quit smoking, alcohol to lower your blood pressure and improve your overall health.
It is imp to read manufacturing packaging instruction carefully if available and always do not hesitate to consult pharmacist or physician for any information.

Written by; Healthplus24 team
Date last updated: May 27, 2011