High blood pressure, or as we all know it, "pressure," is a health problem that many people face today. Perhaps your doctor has prescribed you medication to treat this condition. Today, we are going to talk about a combination of two medications that are used to control such pressure. They are the drugs Atenolol and Chlorthalidone.
Simply put, what is this medicine?
This is actually a combination of two types of medication.
1. Atenolol: This belongs to a class of drugs called 'beta-blockers.' Simply put, it works by controlling your heart rate and reducing the pressure on your heart.
2. Chlorthalidone: This is a diuretic. These are popularly known as "water pills." They work by causing the body to excrete excess water and salt through urine.
When these two medications are combined, they can be very effective in controlling blood pressure. Sometimes your doctor may prescribe this under the brand name ``Tenoretic``. This medication can also be used for other medical conditions. You can ask your doctor for more information about it.
Things you need to tell your doctor before starting medication
Before using this medicine, it is very important to give your doctor a complete picture of your health. Be sure to tell them if you have any of the following conditions:
| Your medical condition or condition | Why should you inform? |
|---|---|
| Heart disease: Conditions such as angina, heart failure, heart block, or Raynaud's disease. | Because this medication affects the heart rate, it is possible that pre-existing heart conditions may change. |
| Diabetes | This medicine may affect blood sugar levels. |
| Kidney or liver disease | Because these organs affect the process of removing drugs from the body, it is important to know their function. |
| Asthma or other respiratory diseases | Beta-blocker medications can sometimes cause breathing difficulties. |
| Gout | Diuretic medications may aggravate gout. |
| Thyroid disease | This medication may mask some symptoms of thyroid disease. |
| If you are pregnant, trying to get pregnant, or are a breastfeeding mother. | This can affect the child, so you should definitely inform the doctor. |
| Allergies: If you are allergic to atenolol, chlorthalidone, other beta-blockers, sulfa drugs, or anything else. | This is essential to prevent a severe allergic reaction to the medication. |
How should I use this medicine?
Take the medicine exactly as prescribed by your doctor, in the same dosage. Make it a habit to take your medicine at the same time every day . This will help you to avoid forgetting to take your medicine and will help to maintain the same level of medicine in your body. Continue taking this medicine until your doctor tells you to stop. Do not stop taking the medicine suddenly for any reason. Doing so may cause your blood pressure to suddenly increase and other complications may occur.
If the dosage of the medicine is increased (Overdose)
If you think you have taken too much medicine, immediately call the National Poisons Information Centre at the Colombo National Hospital . Or go to the Emergency Treatment Unit (ETU) of the nearest hospital.
What if I forget to take my medicine?
Take the missed dose as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take the next dose at the scheduled time.
Never take two doses of medicine at once (double dose) to make up for a forgotten dose. This can be dangerous.
Things to keep in mind when taking medication
When using this medicine, be aware of these things to ensure your safety and get the most out of the medicine.
- See your doctor regularly: Go to the clinic on scheduled days and have your blood pressure and heart rate measured. Ask your doctor what a healthy level your blood pressure should be and what to do if it changes.
- Be careful of dehydration: If you have diarrhea, vomiting, or excessive sweating, be careful. This medicine can be dangerous if you lose too much water and salts from your body. In such a situation, consult your doctor.
- Drowsiness and dizziness: This medication may make some people feel drowsy or dizzy. Therefore, avoid activities that require alertness, such as driving or operating machinery, until you know how this medication affects you. Especially if you are an elderly person, stand up slowly when getting up from a sitting position or out of bed. This will reduce the chance of dizziness and falling. Drinking alcohol can make this drowsiness worse, so it is best to avoid alcohol.
- If you have diabetes: This medicine may increase your blood sugar levels. If you have diabetes, talk to your doctor about whether you need to make changes to your diet or diabetes medication.
- Be careful when going out in the sun: This medication may make some people's skin sensitive to the sun. Therefore, avoid going out in the sun as much as possible. If you must go out, wear clothing that covers your skin and use sunscreen to protect yourself from the sun.
- Ask before taking other medications: When you take this medication, be sure to consult your doctor before taking over-the-counter cough, cold, or pain medications. Because some medications contain ingredients that can increase your blood pressure.
What are the possible side effects?
Like any medication, this one can have side effects. Some are serious, some are common. It's important to be aware of these.
| Side effects that should be reported to the doctor immediately | |
|---|---|
| • Allergic reactions (skin rash, itching, swelling of the face, lips or tongue) | • Difficulty breathing |
| • Chest pain | • Cold, numb, or blue limbs |
| • Irregular heartbeat | • Muscle twitching or pain |
| • Difficulty or decreased urination | • Yellowing of the eyes or skin (signs of jaundice) |
| • Worsening of gout pain | • Excessive thirst, hunger, frequent urination, extreme fatigue, blurred vision (signs of high blood sugar) |
| Tell your doctor if it persists or is bothersome. | |
| • Change in sexual desire or function | • Depression |
| • Diarrhea | • Dry eyes or mouth |
| • Nausea | • Headache |
This list does not include all possible side effects. If you notice anything unusual in addition to these, tell your doctor about it.
How should you store your medicine?
- Keep away from children and pets.
- Store at room temperature (between 20 and 25 degrees Celsius).
- Protect from light and moisture. This means don't keep medication in places like the bathroom.
- Keep the medicine bottle/box tightly closed.
- Discard any medicine left after the expiration date.
Take-Home Message
- Atenolol and Chlorthalidone are a combination of two medications used to control high blood pressure.
- Never stop taking this medication suddenly without your doctor's advice.
- Inform your doctor about all medical conditions you have and all other medications you are taking.
- Be aware of possible dizziness, drowsiness, and dehydration while taking the medication.
- If you experience any serious side effects such as difficulty breathing, chest pain, or severe allergic reactions, seek medical advice immediately.
- If any problems arise, talk openly with your doctor about it.
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