- Side Effects
- Drug Interactions
- Pregnancy & Breastfeeding
- What Else to Know
Generic Name: candesartan
Brand Name: Atacand
Drug Class: Angiotensin Receptor Blockers (ARBs)
What is candesartan, and what is it used for?
Candesartan cilexetil (candesartan) is a drug used for treating high blood pressure (hypertension). It is in a class of drugs called angiotensin receptor blockers (ARBs) which includes losartan (Cozaar), valsartan (Diovan), and irbesartan (Avapro).
Angiotensin, formed in the blood by the action of angiotensin converting enzyme (ACE), is a powerful chemical that attaches to angiotensin receptors found in many tissues but primarily on smooth muscle cells surrounding blood vessels. Angiotensin's attachment to the receptors causes the muscle cells to contract and the blood vessels to narrow (vasoconstrict) which leads to an increase in blood pressure. Candesartan blocks the angiotensin receptor and therby prevents the action of angiotensin. As a result blood vessels expand and blood pressure is reduced.
Candesartan was approved by the FDA in 1998.
What are the side effects of candesartan?
The most common side effects of candesartan are:
Other important side effects include:
What is the dosage for candesartan?
The recommended dose range of candesartan for adults is 4 to 32 mg once daily. The usual starting dose for hypertension is 16 mg daily, and the starting dose for treating heart failure is 4 mg once daily. Doses may be doubled at 2 week intervals as tolerated by patients. The maximum dose is 32 mg daily.
Which drugs interact with candesartan?
Since ARBs can increase the concentrations of potassium in the blood, combining candesartan with other medications that can increase the concentration of potassium in the blood, such as hydrodiuril (Dyazide), spironolactone (Aldactone), and potassium supplements, may lead to dangerous increases in potassium blood levels.
- Combining candesartan or other ARBs with nonsteroidal anti-inflammatory drugs (NSAIDs) in patients who are elderly, fluid-depleted (including those on diuretic therapy), or with poor kidney function may result in reduced kidney function, including kidney failure. These effects usually are reversible.
- There have been reports that aspirin and other NSAIDs such as ibuprofen (Advil, Children's Advil/Motrin, Medipren, Motrin, Nuprin, PediaCare Fever, etc.), indomethacin (Indocin, Indocin-SR), and naproxen (Anaprox, Naprelan, Naprosyn, Aleve) may reduce the effects of ARBs.
- An increase in lithium (Eskolith, Lithobid) blood levels has been reported when lithium is combined with candesartan. Careful monitoring of lithium levels is recommended when candesartan and lithium are used concomitantly.
Pregnancy and breastfeeding
When used in the second or third trimester of pregnancy, ARBs can cause injury and even death to the fetus. Candesartan should not be used during pregnancy. When pregnancy is first detected, candesartan should be stopped.
It is not known whether candesartan is secreted in human milk. Candesartan is secreted in rat milk. Due to the possibility of harm to the nursing infant, if possible, candesartan should be discontinued by nursing mothers.
Candesartan cilexetil (Atacand) is a medication prescribed to treat high blood pressure. It is also used for reducing the chance of death or hospitalization due to heart failure. The most common side effects of candesartan are headache, dizziness, fatigue, abdominal discomfort, diarrhea, and upper respiratory infections. Candesartan should not be used during pregnancy or while breastfeeding.
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High blood pressure (hypertension) is a disease in which pressure within the arteries of the body is elevated. About 75 million people in the US have hypertension (1 in 3 adults), and only half of them are able to manage it. Many people do not know that they have high blood pressure because it often has no has no warning signs or symptoms. Systolic and diastolic are the two readings in which blood pressure is measured. The American College of Cardiology released new guidelines for high blood pressure in 2017. The guidelines now state that blood normal blood pressure is 120/80 mmHg. If either one of those numbers is higher, you have high blood pressure. The American Academy of Cardiology defines high blood pressure slightly differently. The AAC considers 130/80 mm Hg. or greater (either number) stage 1 hypertension. Stage 2 hypertension is considered 140/90 mm Hg. or greater. If you have high blood pressure you are at risk of developing life threatening diseases like stroke and heart attack.REFERENCE: CDC. High Blood Pressure. Updated: Nov 13, 2017.
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Medications & Supplements
- candesartan - oral, Atacand
- Drugs: Questions to Ask Your Doctor or Pharmacist about Your Drugs
- Types of High Blood Pressure Medications
- Drug Interactions
- Angiotensin II Receptor Blockers (ARBs)
- losartan and hydrochlorothiazide (Hyzaar)
- telmisartan, Micardis
- valsartan, Diovan
- irbesartan (Avapro)
- Side Effects of Atacand (candesartan)
- Types of High Blood Pressure (Hypertension) Medications
Prevention & Wellness
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.
FDA Prescribing Information