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Home / Blood Pressure / Captopril


This drug is used for hypertensive patients by inhibiting angiotensin converting enzyme (ACE).
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Captopril Uses

Captopril is an ACE inhibitor and is mainly used to treat high blood pressure, kidney problems caused by diabetes, congestive heart failure as well as improve survival after a heart attack. This medicine is also effective in treating heart failure as well as protects the kidneys from harm that is caused due to diabetes. The generic name of this medicine is Captopril. 

This medicine is available in different mg such as 10 mg, 12.5 mg, 25 mg and 100 mg.  

Captopril dose

Always take the medicine in the same manner as prescribed by your doctor. Strictly follow the directions written on your prescription label. There are chances that your doctor changes your dosage occasionally for effective and quick results. Don’t try to use this medicine in larger, smaller amounts or for a longer time than actual recommendation. 

Always drink plenty of water when you intake this medicine. This medicine is mainly taken before the one hour of meal but follow as prescribed by your doctor. You need to take this medicine by mouth on an empty stomach mainly two to three times a day, mainly as directed by your doctor.  

If you want to get most benefit from it, use this medicine regularly. Take the medicine at the same time daily so that you remember. Even if you feel well, it is very important to continue this medicine. It may take up to 2 weeks before you get the full benefit of this medication, for the treatment of high blood pressure. For the treatment of heart failure, this medicine might take weeks to months for getting the full benefits.  

Therefore, you need to inform your doctor immediately if your condition worsens or there is no improvement. There are possibilities that this medication can cause false results for certain medical tests, so inform your doctor in advance that you are using this medicine.  

In case of surgery, tell the surgeon beforehand that you are using Captopril because he will stop the medication for some time. Store this medicine at room temperature away from heat and moisture.  

Captopril side effects 

Some of the common side effects of taking medicine are:

  • Cough
  • Numbness, tingling as well as burning in your hands and feet
  • Mild skin itching or rash
  • Loss of taste sensation, flushing and cough

You need to get the emergency medical help if you have signs of an allergic reaction such as severe stomach pain, difficulty in breathing, hives, swelling of your face, tongue throat as well as lips.  

Call your doctor immediately, if you are suffering from:

  • A light-headed feeling making you feel like you might pass out. 
  • Little or no urinating or urinating more than usual
  • Shortness of breath, rapid weight gain as well as swelling
  • Pressure or pain in chest, fluttering in your chest as well as pounding heartbeats
  • High potassium- slow or unusual heart rate, loss of movement, weakness and nausea
  • Sudden ill feelings or weakness, sore throat, painful mouth sores, fever, chills, pain when swallowing food, skin sores as well as cold or flu symptoms. 

If any of these side effects persist or worsen then make sure that you inform your doctor immediately. Keep one thing in mind that the doctor has prescribed this medicine because he knows that the benefits of this medicine are more as compared to risk of side effects. It is seen that many people using this medicine did not have any serious side effects.  

Inform your doctor immediately if you find any these serious side effects such as fainting as well as fast heartbeat. You need to check your kidney function during the intake of this medicine. Therefore, this is not the complete list of side effects; if anything happens outside this list get the medical help immediately.  

Captopril Precautions 

During the intake of this medicine, if you drink alcohol then it can further lower your blood pressure as well as increase the side effects of this medicine. Unless your doctor tells you do not use any salt substitute or potassium supplements while the intake of Captopril medicine.  

Before starting your Captopril medicationinform your doctor if you are allergic to it or other ACE inhibitors or if you are suffering from any other allergies. This medicine contains certain inactive ingredients that can give rise to allergic reactions or other problems. Before starting this medicine, inform your doctor about the medical history of yours. 

This medicine is not recommended for use during pregnancy as it can harm the unborn baby. If you are pregnant or planning to get pregnant, then consult the doctor first before you start taking this medicine. Consult your doctor before breast-feeding because this medicine passes into breast milk but is unlikely to harm a nursing infant.  

Captopril Interactions 

There are total 354 drugs that are known for interacting with this medicine:

36 major drug interactions

288 moderate drug interactions

30 minor drug interactions 

The drug interactions can help in changing your medication work or can also increase your risk for serious side effects. It is very important to inform your doctor about all the products you use such as prescription/nonprescription drugs as well as herbal products. Without the approval of doctor, don’t stop, start or change the dosage of any medicines.  

Captopril MOA (Mechanism of Action) 

This medicine works by relaxing blood vessels in order to ensure that blood can flow more easily. It blocks the action of a compound in the body called ACE. By blocking the action of ACE, this medicine helps in reducing the production of angiotensin II, lowering blood pressure.  

Captopril warnings 

Do not use this medicine if you are pregnant. If you are planning to become pregnant then you should stop taking this medicine and inform your doctor immediately. Do not use this medicine with any other medication that contains aliskiren if you have diabetes.

This medicine can cause low white blood cell counts. It can increase your risk of infections, so tell your doctor if you have any signs of infection like sore throat or fever. 

We only ship medications which are approved by FDA, Also please consult your doctor to make a full decision on what medication to take.

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