Has your doctor prescribed you a pill for high blood pressure or angina? Is it called Nadolol? Then this article will be very important for you. Let's see what this medicine is, what it does, and what we need to be careful about while using it. Let's talk about it simply as if a friend were explaining it to you.
What kind of medicine is Nadolol?
Simply put, Nadolol is a medication that is mainly used to control high blood pressure and prevent chest pain ( angina ) . It belongs to a class of drugs called beta blockers .
Think of your heart as a pump that works nonstop. When you have high blood pressure, this pump has to work very hard to pump blood. Nadolol works by slowing your heart rate down a bit, which lowers your blood pressure. This allows your heart to pump blood more easily and without straining.
Very important: This medicine is for long-term management . It will not stop sudden chest pain . Your doctor will advise you on other medicines to use in such cases.
Things you need to tell your doctor before starting medication
It is very important that your doctor is fully aware of your health before prescribing this medication. Be sure to tell your doctor if you have any of the conditions below.
| Your health condition | Why is it important to inform the doctor ? |
|---|---|
| Diabetes | This medicine can affect blood sugar levels and mask the symptoms of low blood sugar (increased heart rate, tremors). |
| Heart or blood vessel disease (e.g., low heart rate, heart failure, Raynaud's disease) | Because nadolol slows the heart rate even further, it can worsen some existing heart conditions. |
| Kidney disease | This medicine is eliminated from the body through the kidneys. If your kidneys are not functioning properly, your dose may need to be adjusted. |
| Respiratory diseases (e.g. asthma, emphysema) | This medicine can sometimes constrict the airways and increase breathing difficulties. |
| Thyroid disease | This medicine may mask some symptoms of increased thyroid hormone levels. |
| Pheochromocytoma | This is a rare tumor of the adrenal gland. Nadolol should be used with caution in this condition. |
| Allergies to nadolol or other substances | If you have had a previous allergy to this medicine, another medicine, or food, you must tell us about it. |
| If you are pregnant or trying to get pregnant | You should talk to your doctor about using this medicine during pregnancy. |
| If you are a breastfeeding mother | Parts of the medicine can pass to the baby through breast milk. So inform your doctor about this. |
How should I use the medicine?
- This medicine is a pill that you take by mouth. Take it exactly as your doctor has prescribed, at the same time every day . Try to take it at the same time every day if possible.
- You can take this with or without food. However, if you experience stomach upset, it is best to take it with a meal .
- Continue using this medicine until your doctor tells you to stop.
What to do if you overdose?
If you think you have taken too much medicine, don't delay . Go to the nearest Emergency Department (ETU) immediately. Or call the National Poisons Information Centre at the Colombo National Hospital for advice.
What if I miss a dose of medication?
If you forget to take a dose, take it as soon as you remember. But if it is almost time for your next dose, skip the missed dose and take your next dose at the scheduled time. Never take two pills at once to make up for a forgotten dose.
What other things can interact with this medicine? (Interactions)
Other medications you are taking may interact with nadolol. Therefore, tell your doctor about all the medications you are taking (prescribed, over-the-counter), vitamins, herbal products, and even herbal supplements.
Nadolol can especially conflict with the following:
- Other high blood pressure medications, heart disease medications.
- Some medications for diabetes.
- General anesthetics used during surgery.
- Medications such as epinephrine, which is given for allergies.
Things to keep in mind when taking medication
- See your doctor regularly: Be sure to go to the clinic on the days your doctor prescribes to see how the medication is affecting you.
- Check your blood pressure: Measure and record your blood pressure at home as your doctor tells you. Know what your normal blood pressure should be and when to call your doctor .
- Be aware of dizziness: This medication may cause some people to feel a little dizzy or lightheaded when standing up. To reduce this, stand up slowly after sitting or lying down.This condition may worsen if you drink alcohol.
- Driving and operating machinery: This medicine may affect your attention and reaction speed. Therefore, avoid driving or operating heavy machinery until you know exactly how the medicine affects you.
Do not stop taking the medication suddenly without your doctor's advice for any reason! Doing so may increase the risk of serious side effects such as chest pain and heart attack. If you need to stop taking the medication, your doctor will gradually reduce the dose.
- Before surgery: If you are having any surgery, be sure to tell the medical team that you are using nadolol.
- Cough and cold medicine: Do not buy cough, cold, or pain medicine from the pharmacy without first checking with your doctor. Some of these medicines can increase your blood pressure.
What are the possible side effects?
Like any medicine, nadolol can cause side effects in some people. Some of these are serious, while others are mild.
| Side effect | Description |
|---|---|
| If you have these symptoms, tell your doctor immediately. | |
| Allergic reactions | Skin rash, itching, swelling of the face, lips, tongue or throat. |
| Heart failure symptoms | Difficulty breathing, swelling of the ankles, feet or hands, sudden weight gain, extreme fatigue. |
| Low blood pressure | Severe dizziness, nausea, blurred vision. |
| Slow heartbeat | Dizziness, lightheadedness, confusion, difficulty breathing, unusual weakness. |
| Raynaud's phenomenon | Fingers become cold, numb, painful, and turn white, blue, or red. |
| Change in mental status | The occurrence or increase of feelings such as depression. |
| These are usually not serious, but if they persist, tell your doctor. | |
| Fatigue | Feeling generally tired. |
| Headache | Slight headache. |
| Upset stomach | Diarrhea or stomach discomfort. |
| Changes in sexual function | Decreased sexual desire or activity. |
How should you store the medicine?
- Keep away from children and pets.
- Store at room temperature (between 20-25 degrees Celsius), away from light and excessive heat.
- Keep the medicine bottle tightly closed.
- Throw away expired medicine.
Take-Home Message
- Nadolol is a medication used to treat high blood pressure and angina. It should not be used for sudden chest pain.
- Avoid stopping this medication suddenly without your doctor's advice. It can be very dangerous.
- Before starting the medication, tell your doctor about all your medical conditions and all medications you are taking.
- You may feel dizzy while taking the medicine, so change positions when you change positions (e.g., when lying down or standing up).
- If you have diabetes, check your blood sugar levels frequently, as this medicine may mask the symptoms of low blood sugar.
- If you experience a serious side effect such as difficulty breathing, swelling of the legs, or severe dizziness, contact your doctor immediately.
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