Do you or someone you know have Sickle Cell Disease? If so, you are probably familiar with the constant body aches, shortness of breath, and frequent blood transfusions. It goes without saying that living with this condition can be difficult. So today we are going to talk about a very important medicine that helps control these symptoms. That is Hydroxyurea.
Simply put, what is Hydroxyurea?
Hydroxyurea is a medication that is used to treat the symptoms of sickle cell disease . As you know, in sickle cell disease, our red blood cells change shape and become sickle-shaped. This causes these cells to stick together and get stuck in small blood vessels. This can lead to severe pain crises and acute chest syndrome.
So what these hydroxyurea pills do is help red blood cells keep their proper round, flexible shape . That way, they're less likely to clump together. That way, blood circulation is better, and every tissue in the body gets the right amount of oxygen. This can also reduce the need for frequent blood transfusions.
Doctors sometimes prescribe this medicine for other conditions as well. If you have any questions about it, you can ask your doctor.
Things you need to tell your doctor before taking this medicine
This is very important. Hydroxyurea is not a one-size-fits-all drug. So before your doctor prescribes this medication for you, he or she needs to have a complete picture of your health. If you have any of the conditions listed below, be sure to tell your doctor about it.
| Health condition or opportunity | Why should you tell the doctor? |
|---|---|
| If you are pregnant, trying to get pregnant, or breastfeeding | This is very important. This medication can harm the unborn baby. So it is essential to talk openly about this. |
| If you have kidney disease or are on hemodialysis | Since medication is eliminated from the body through the kidneys, it is important to be aware of kidney function. |
| If you have liver disease | Liver function can be affected by medications. |
| If you have HIV or AIDS | Some HIV medications may interact with this medicine. |
| If you have high uric acid levels in your blood or have gout. | This medication may affect uric acid levels. |
| If you have leg wounds or ulcers | This medicine can sometimes affect skin lesions. |
| If you have recently received or are receiving radiation therapy | Side effects may occur between radiation therapy and this medication. |
| If you have recently received or are about to receive a vaccine | It is especially not advisable to take live virus vaccines. |
| If you have an allergy to hydroxyurea or any other medicine or food | It is very important to inform the doctor about any allergies. |
Okay, so how should I use this medicine?
This is also something to keep in mind. As the doctor says, it is very important to take the right dose at the right time.
- Take this pill with a glass of water .
- Get into the habit of taking your medicine at the same time every day. That way, you won't forget.
- If you have difficulty swallowing the pill, you can dissolve it in a teaspoon of water and swallow it immediately.
- Never change the dose or stop taking the medication without your doctor's advice . If you experience any side effects, your doctor will tell you whether to change the dose or stop taking it.
- Handling this medicine can be dangerous. So wash your hands thoroughly with soap and water before and after handling the pill or bottle. If possible, wear gloves when handling the medicine. This is especially important for women who are pregnant or planning to become pregnant, and for mothers who are breastfeeding.
Remember, this medicine is for you only. Do not share it with anyone else for any reason.
What to do if you 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 a double dose.
What if I take too much medicine?
If you think you have taken too much medicine, go to the nearest hospital Emergency Treatment Unit (ETU) immediately . Or call the National Poisons Information Centre at the Colombo National Hospital .
Things you should be especially careful about when taking the medicine
You need to be a little careful about changes in your body while taking hydroxyurea.
- Regular medical checkups: Your doctor will ask you to have regular blood tests. These tests are used to check whether the medicine is working and whether it is causing any side effects. Don't skip these tests.
- Risk of infection: This medicine may lower your body's immunity a little. That means you're more likely to get sick. So if you have symptoms like fever, cold, or sore throat, don't self-medicate and see a doctor . Try to stay away from people who are sick.
- Vaccines: Talk to your doctor about any vaccinations you need to get. Some live virus vaccines are not recommended while taking this medicine.
- Cancer risk: Taking this medicine for a long time may slightly increase your risk of some types of cancer, especially skin cancer. Don't worry, this risk can be reduced. Limit your exposure to strong sunlight as much as possible. If you do go out in the sun, wear clothing that covers your body well, wear sunglasses, and use a good sunscreen.
- Pregnancy and Birth Control (CRITICAL):
- For women: You should avoid becoming pregnant while taking this medicine and for 6 months after stopping the medicine. This medicine can cause serious birth defects in an unborn baby. You should have a test to make sure you are not pregnant before starting the medicine. Talk to your doctor about a birth control method that is right for you.
- For men: If your partner is able to get pregnant, you must use a condom when having sex while you are taking this medicine and for at least a year after stopping the medicine.
- Breastfeeding: Talk to your doctor about breastfeeding while taking this medication. Your treatment plan may need to be adjusted.
- Fertility: This medicine may affect your ability to have children. If you have any concerns about this, talk to your doctor.
What are the possible side effects of the medicine?
Like any medicine, hydroxyurea can cause side effects. But not everyone gets them. Let's take a look at what these side effects are.
| Side effects that should be reported to your doctor immediately | |
|---|---|
| Allergic reactions | Skin rash, itching, swelling of the face, lips, tongue or throat. |
| Hemolytic anemia | Unusual tiredness, dizziness, headache, difficulty breathing, dark urine, yellowing of the skin or eyes. |
| Infection | Fever, chills, cough, sore throat, non-healing wounds, pain when urinating. |
| Skin problems | Painful swelling, redness, blistering, or sores on the skin. |
| Abnormal bleeding | Even a small cut can cause the skin to turn blue and bleed profusely. |
| Side effects that are usually not serious, but should be reported to the doctor if they persist | |
| Constipation | Dry stomach |
| Dry skin | Skin feels dry. |
| Headache | Slight headache |
| Nausea | Feeling like vomiting |
This list may not include all side effects. If you notice anything unusual in addition to these, talk to your doctor about it.
How to store the medicine?
- Keep out of reach of children and pets .
- Store at a temperature between 20 and 25 degrees Celsius (room temperature).
- Keep the bottle cap tightly closed.
- Do not use expired medications. Ask your doctor how to safely dispose of them.
Take-Home Message
- Hydroxyurea is an important medication that helps control the symptoms of sickle cell disease.
- Always take the dose prescribed by your doctor, at the right time. Never change or stop the dose without advice.
- Avoid becoming pregnant while taking the medication. It is essential for both women and men to follow the prescribed birth control methods.
- Wear gloves, especially when handling the medicine. Wash your hands thoroughly before and after handling the medicine.
- Notify your doctor immediately if symptoms such as fever, unusual bleeding, or severe allergic reactions occur.
- Tell your doctor about any other medications, vitamins, or supplements you are taking.
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