Has your doctor prescribed this medicine called Nadolol for high blood pressure or chest pain (Angina)? So let's talk simply and clearly about this medicine, what it does to our body, the right way to take it, and the things to be especially careful about. This information will be very important to you.
What kind of medicine is Nadolol? What does it do?
Simply put, Nadolol is a drug that belongs to a class of drugs called beta-blockers . Its main function is to control high blood pressure and prevent the occurrence of chest pain (angina).
Think of our heart as a pump that works nonstop. When blood pressure increases, this pump has to work harder. Nadolol works by slowing your heart rate down, relaxing your blood vessels, and reducing that pressure. Then, the heart can pump blood throughout the body more easily and without having to work as hard.
Important: This medicine is used to prevent angina, not as a quick treatment for sudden chest pain or a heart attack. In such an emergency, you should go to the hospital immediately.
Things you need to tell your doctor before starting this medication
Before starting Nadolol, it is essential to give your doctor a complete picture of your health. Be sure to tell your doctor if you have any of the following medical conditions:
- Diabetes: If you have diabetes.
- Heart or blood vessel disease: Conditions such as slow heart rate, worsening heart failure, heart block, and Raynaud's disease (a condition where the fingers turn pale, blue, or red).
- Kidney disease: If there is any weakness in the kidneys.
- Lung diseases: Respiratory diseases such as asthma or emphysema.
- Thyroid disease: Problems related to the thyroid gland.
- Pheochromocytoma: This is a tumor that occurs in the adrenal gland.
- Allergies: If you have allergies to Nadolol or other medicines, foods, or dyes.
- Pregnancy or breastfeeding: If you are pregnant, trying to get pregnant, or are a breastfeeding mother.
Talking openly with your doctor about these things is very important for your safety.
How to use the medicine correctly?
- This medicine is taken by mouth. Try to take it at the same time every day , exactly as your doctor has prescribed.
- You can take it before or after meals, but if you experience stomach upset, it's best to take it with food.
- Most importantly: Keep taking this medicine until your doctor tells you to stop. Do not stop taking it suddenly for any reason. Doing so may make your condition worse.
- What if I miss a dose? Take that dose as soon as I remember. However, if it is very close to my next dose (e.g., it is only a few hours away), skip the missed dose and take the next dose at the scheduled time. Never take two doses at once.
What to do if you take too much medicine?
If you think you have taken too much medicine, don't panic. Call the National Poisons Information Centre at the Colombo National Hospital immediately. Or, go to the Emergency Treatment Unit (ETU) of the nearest hospital.
Be aware of these side effects when taking medication.
Like any medicine, Nadolol can cause some side effects. Some of these are serious, some are not so serious. The table below will give you a clear idea of these.
| Side effect | Description and what to do |
|---|---|
| Symptoms that should be reported to your doctor immediately | |
| Allergic reactions | Skin rash, itching, swelling of the face, lips, tongue or throat. |
| Heart failure worsening | Difficulty breathing, swelling of the ankles, feet or hands, sudden weight gain, extreme fatigue. |
| Low blood pressure | Dizziness, fainting, blurred vision. |
| Slow heartbeat | Dizziness, fainting, confusion, difficulty breathing, extreme fatigue. |
| Raynaud's symptoms | Fingers or toes become cold, numb, painful, and turn white, blue, or red. |
| Changes in mental status | The emergence or increase of feelings such as frustration and depression. |
| Symptoms that are usually not serious, but should be reported to the doctor if they persist | |
| Other minor ailments | Changes in sexual function, diarrhea, fatigue, headache, stomach upset. |
Other things to keep in mind when taking this medicine:
- Other medications: Tell your doctor about all the medications you are taking (prescribed by other doctors, over-the-counter medications, herbal/Ayurvedic medications, vitamins). Some medications (especially those for diabetes and other heart conditions) may interact with Nadolol.
- Dizziness and drowsiness: This medicine may make you dizzy or drowsy. Therefore, avoid driving or operating dangerous machinery until you know exactly how this affects you. Get up slowly from a sitting or lying position.
- Blood pressure measurement: Measure your blood pressure regularly as advised by your doctor. Ask your doctor what your ideal BP should be and when you should call your doctor if your BP changes.
- Diabetes: If you have diabetes, this medicine may affect your blood sugar levels. Therefore, check your blood sugar levels regularly. Ask your doctor if you need to make any changes to your diet or diabetes medication, if necessary.
How do you keep your medicine safe?
Keep this medicine out of the reach of children and pets . Store at room temperature, away from light and excessive heat, with the lid tightly closed. Discard expired medicine.
Take-Home Message
- Nadolol is a beta-blocker medication used to prevent high blood pressure and chest pain (angina).
- Never stop taking this medication suddenly without your doctor's advice.
- Before starting the medication, inform your doctor about all medical conditions you have and all other medications you are taking.
- If you experience side effects such as dizziness, extreme fatigue, or difficulty breathing, talk to your doctor immediately.
- Always take the dose, at the right time, and in the right way as prescribed by your doctor. Your health is precious to you.
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