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Apresol Tablet

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Product introduction

Apresol Tablet belongs to a class of drugs known as vasodilators and is used for the treatment of hypertension (high blood pressure). It may also be used in combination with other medicines in the treatment of heart failure.

Apresol Tablet works by relaxing and enlarging certain small blood vessels so that blood flows through them more easily. It may be taken with or without food, preferably at the same time, each day. You must follow your doctor’s instructions exactly, taking all the prescribed medicines, in the right amounts, each day.

These medicines will help keep your blood pressure down. Do not skip any doses. If you forget a dose of Apresol Tablet, wait until it is time for your next dose, then continue with your regular schedule. Do not stop taking it, or any of your other high blood pressure medicines, without checking with your doctor.

Apresol Tablet is generally safe and suitable for most people but has some potential side effects. The most common are headache, loss of appetite, nausea, vomiting, diarrhea, and increased heart rate. Talk to your doctor if you are bothered by side effects or they do not resolve.

Benefits of Apresol Tablet

In Hypertension (high blood pressure)

Apresol Tablet is a medicine used to treat high blood pressure. It works by relaxing blood vessels which lower blood pressure and allow more blood and oxygen to reach the heart and other organs. If your blood pressure is controlled you are less at risk of having a heart attack, stroke, or kidney problems. It must be taken regularly as prescribed to be effective. You do not usually feel any direct benefit from taking this medicine, but it works in the long term to keep you well.

In Treatment of Heart failure

Heart failure means your heart is weak and cannot pump enough blood to your lungs and the rest of your body. The most common symptoms are breathlessness, tiredness, and swelling in your legs, ankles, abdomen and other parts of your body. Apresol Tablet makes it easier for your heart to pump blood around your body and is therefore an effective treatment for heart failure.

This medicine will help relieve your symptoms, making you feel better and more energetic. You should make appropriate lifestyle changes (such as eating healthily and keeping active) to help this medicine be effective. Take it regularly and keep taking it even if you feel better.

Side effects of Apresol Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Apresol

  • Diarrhea
  • Headache
  • Increased heart rate
  • Loss of appetite
  • Nausea
  • Palpitations
  • Vomiting

How to use Apresol Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Apresol Tablet may be taken with or without food, but it is better to take it at a fixed time.

How Apresol Tablet works

Apresol Tablet works by relaxing blood vessel which lowers blood pressure and allows more blood and oxygen to reach the heart and other organs.

Safety advice

It is unsafe to consume alcohol with Apresol Tablet.
Apresol Tablet may be unsafe to use during pregnancy. Although there are limited studies in humans, animal studies have shown harmful effects on the developing baby. Your doctor will weigh the benefits and any potential risks before prescribing it to you. Please consult your doctor.
Breast feeding
Apresol Tablet is safe to use during breastfeeding. Human studies suggest that the drug does not pass into the breastmilk in a significant amount and is not harmful to the baby.
Apresol Tablet may decrease alertness, affect your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
Apresol Tablet should be used with caution in patients with severe kidney disease. Dose adjustment of Apresol Tablet may be needed. Please consult your doctor.
However, the information available is very limited for this medicine.
Apresol Tablet should be used with caution in patients with severe liver disease. Dose adjustment of Apresol Tablet may be needed. Please consult your doctor.
However, the information available is very limited for this medicine.

What if you forget to take Apresol Tablet?

If you miss a dose of Apresol Tablet, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

All substitutes

For informational purposes only. Consult a doctor before taking any medicines.
No substitutes found for this medicine

Quick tips

  • Apresol Tablet is usually taken in combination with medications to slow your heart from beating too fast (beta-blockers) and medications that remove the excess fluid (diuretics).
  • It can cause salt and water build up in your body. Monitor your weight regularly and inform your doctor if you gain weight, as this could indicate that your body is retaining too much fluid.
  • Do not stop taking Apresol Tablet suddenly without talking to your doctor. 

Fact Box

Chemical Class
Phthalazines Derivatives
Habit Forming
Therapeutic Class
Action Class
Potassium channel opener

Patient concerns

I am a patient of hypertension
Dr. Jyoti Kapoor Madan
Hypertension is clinal condition of high blood pressure. Please see a physician.
Heart pain blood pressure high blood sugar high
Dr. Saurabh Arora
Consult physician near u for proper examination and blood work up

User feedback


Q. What is Apresol Tablet and what is it used for?

Apresol Tablet belongs to a class of medicines known as potassium channel openers. It helps in the removal of potassium from the walls of arteries. This results in increased space in the arteries for the blood to flow easily, thereby reducing the workload of the heart to pump the blood. It also improves the blood and oxygen supply to your heart muscle. It is prescribed to patients with stable angina (heart-related chest pain) who cannot take other medicines (beta blockers, calcium channel antagonist) meant for the treatment of angina.

Q. Can I stop taking Apresol Tablet?

No, you should not stop taking Apresol Tablet without consulting your doctor. Suddenly stopping the medication may cause reoccurring of your anginal pain. It would be better to consult your doctor if you are experiencing any side effects.

Q. How long does it take Apresol Tablet to start working?

Apresol Tablet starts working after about an hour of taking the medicine. However, full benefits may be seen only after 4 to 5 days. Consult your doctor if you do not notice any significant improvement in your condition.

Q. For how long do I need to continue Apresol Tablet?

Apresol Tablet is generally prescribed for a long term. You may even need to take it for the rest of your life. You should continue taking your medicine for as long as your doctor tells you. However, if you experience any bothersome side effects, consult your doctor.

Q. What if somebody accidentally takes an excess of Apresol Tablet?

Taking Apresol Tablet in excess may cause low blood pressure and the person may feel weak or dizzy. Also, one may experience irregular or fast heartbeat. In case of an overdose, immediately consult the doctor and seek emergency medical help.

Q. Can I take Apresol Tablet if I am taking aspirin?

You should avoid taking Apresol Tablet and aspirin together. Taking these two medicines together increases the risk of ulcer or bleeding in the mouth, stomach or intestine. Immediately consult your doctor, if you notice blood in your stool or vomit while using Apresol Tablet.

Q. Who should not use Apresol Tablet?

People who are allergic to Apresol Tablet or any of its ingredients should avoid using Apresol Tablet. Also, patients who have heart problems such as cardiogenic shock or left ventricular failure with low filling pressure or cardiac decompensation or have a build-up of fluid in the lungs (pulmonary edema) should not use Apresol Tablet. Additionally, it is advised to avoid using Apresol Tablet in people taking medicines to treat erectile dysfunction (e.g., sildenafil, tadalafil, and vardenafil) or medicines to treat pulmonary hypertension (e.g., riociguat). This is because these medicines may interfere with the working of Apresol Tablet and affect your blood pressure. Fluctuations in blood pressure could also be due to low blood volume.

Q. Can Apresol Tablet affect my sex life?

No, Apresol Tablet does not affect your sex life. However, it is not recommended to take medicines used to treat erectile dysfunction (e.g., sildenafil or tadalafil) or premature ejaculation (e.g., vardenafil or dapoxetine) while taking Apresol Tablet. Taking them together can lead to a serious drop in your blood pressure. Consult your doctor if you are not sure.
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  1. Hydralazine Pregnancy and Breastfeeding Warnings. [Accessed 15 Mar. 2019] (online) Available from:External Link


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