Candesartan - oral
Candesartan - oral
This drug can cause serious (possibly fatal) harm to an unborn baby if used during pregnancy. Therefore, it is important to prevent pregnancy while taking this medication. Consult your doctor for more details and to discuss the use of reliable forms of birth control while taking this medication. If you are planning pregnancy, become pregnant, or think you may be pregnant, tell your doctor right away.
Candesartan is used to treat high blood pressure (hypertension). Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Candesartan belongs to a class of drugs called angiotensin receptor blockers (ARBs). It works by relaxing blood vessels so blood can flow more easily.
This medication is also used to treat heart failure.
This medication is not recommended for use in children younger than 1 year due to increased risk of side effects.
This section contains uses of this drug that are not listed in the approved professional labeling for the drug but that may be prescribed by your health care professional. Use this drug for a condition that is listed in this section only if it has been so prescribed by your health care professional.
This drug may also be used to help protect the kidneys from damage due to diabetes.
Read the Patient Information Leaflet if available from your pharmacist before you start taking candesartan and each time you get a refill. If you have any questions, ask your doctor or pharmacist.
Take this medication by mouth with or without food as directed by your doctor, usually once or twice daily.
The dosage is based on your medical condition and response to treatment. In children, the dosage is also based on weight.
Use this medication regularly to get the most benefit from it. To help you remember, take it at the same time(s) each day. It is important to continue taking this medication even if you feel well. Most people with high blood pressure do not feel sick. For the treatment of high blood pressure, it may take up to 6 weeks before you get the full benefit of this drug.
Tell your doctor if your condition does not improve or if it worsens (such as your blood pressure readings remain high or increase).
Dizziness, tiredness, or lightheadedness may occur as your body adjusts to the medication. Runny nose or sore throat may also occur. If any of these effects persists or worsens, tell your doctor or pharmacist promptly.
To reduce the risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position.
Tell your doctor right away if you have any serious side effects, including:
Although candesartan may be used to prevent kidney problems or treat people who have kidney problems, it may also rarely cause serious kidney problems or make them worse. Your doctor will check your kidney function while you are taking candesartan. Tell your doctor right away if you have any signs of kidney problems such as a change in the amount of urine.
In the US -
Before taking candesartan, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of:
This drug may make you dizzy. Alcohol or marijuana (cannabis) can make you more dizzy. Do not drive, use machinery, or do anything that needs alertness until you can do it safely. Limit alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis).
Too much sweating, diarrhea, or vomiting may cause you to feel lightheaded. Report prolonged diarrhea or vomiting to your doctor.
This product may increase your potassium levels. Before using potassium supplements or salt substitutes that contain potassium, consult your doctor or pharmacist.
Older adults may be more sensitive to the side effects of this drug, especially dizziness, increases in potassium level, and change in the amount of urine (kidney problems).
This medication is not recommended for use during pregnancy. It may harm an unborn baby. Consult your doctor for more details. (See also Warning section.)
It is unknown if this drug passes into breast milk. Consult your doctor before breast-feeding.
See also Precautions section.
Some products that may interact with this drug include:
Some products have ingredients that could raise your blood pressure or worsen your heart failure. Tell your pharmacist what products you are using, and ask how to use them safely (especially cough-and-cold products, diet aids, or NSAIDs such as ibuprofen/naproxen).
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: fast heartbeat, severe dizziness, fainting.
Do not share this medication with others.
Laboratory and/or medical tests (such as kidney function, potassium levels) should be performed periodically to monitor your progress or check for side effects. Consult your doctor for more details.
Lifestyle changes that may help this medication work better include stress reduction programs, exercise, and dietary changes. Talk to your doctor or pharmacist about lifestyle changes that might benefit you.
Have your blood pressure checked regularly while taking this medication. Learn how to monitor your own blood pressure at home, and share the results with your doctor.
Information last revised October 2018.
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