Has your doctor prescribed you or someone in your family a medication called 'Hydroxyurea'? It's normal to feel a little scared and nervous when you hear the name of a medication like this. But when we know exactly what this medication is, what it does, and what precautions we need to take while using it, that fear goes away to a great extent. So, today, let's talk about everything about this medication.
What is Hydroxyurea?
Simply put, hydroxyurea is an anticancer drug, a type of chemotherapy . It is mainly used to:
- Some types of leukemia, which are cancers that develop in the blood.
- For cancers of the head and neck.
- In addition, this medicine is also used to control painful crises caused by sickle cell anemia .
In Sri Lanka, this medicine is available under brand names such as `Hydrea`. Your doctor may have prescribed this medicine for another reason. So, if you have any questions, don't hesitate to ask your doctor.
Things you need to tell your doctor before starting medication
It is very important to give your doctor a complete description of your health before starting this medication. Be sure to tell them if you have any of the following conditions:
| Your situation | Why should you inform? |
|---|---|
| Gout or increased uric acid levels in the blood | This medication can further increase uric acid levels. |
| Having HIV or AIDS | There may be interactions with other medications. |
| Kidney disease or undergoing hemodialysis | The dosage of the medication may need to be changed. |
| Having leg ulcers that don't heal | This medicine may delay wound healing. |
| Decreased blood cells (white cells, red cells, platelets) | Hydroxyurea can worsen this condition. |
| Undergoing or undergoing radiation therapy | There is an increased risk of side effects. |
| If you are scheduled to receive a vaccine in the future | In particular, live virus vaccines should be avoided. |
| Trying to conceive, being pregnant, or breastfeeding | This is very important! This medicine can cause serious harm to the baby in the womb. |
How do I use this medicine correctly and with caution?
Take this medicine with a glass of water. Take the prescribed dose, at the prescribed time, as prescribed by your doctor. Do not stop taking the medicine without your doctor's advice.
Special instructions for those handling the medicine
This is a very important point. It is not good to apply this medicine to someone who is not using it.
- Wash your hands thoroughly with soap before and after handling the medicine bottle.
- If you have a caregiver who handles this medicine or bottle, they should definitely wear disposable gloves .
- If any medicine powder falls to the floor, wipe it up with a damp towel, put the towel in a sealable plastic bag, and discard it.
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 a double dose.
What if I take too much medicine?
If you think you have taken too much of this 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.
Things to be careful about when taking medicine
You need to pay a little more attention to your body while taking this medicine.
- Feeling unwell: Since chemotherapy drugs also affect healthy cells, it is normal to feel a little tired or unwell. Tell your doctor about any side effects you experience. But continue taking the medication until your doctor tells you to stop.
- Be careful of infections! This medicine lowers your body's ability to fight off illness (immunity). So if you develop symptoms like fever, chills, sore throat, or cough , don't assume it's just a cold, but call your doctor right away. Try to stay away from people who are sick.
- Bleeding and bruising: Tell your doctor if you have unusual bruising, if you get a large bruise on your body even after a minor injury, or if you bleed in an unusual way (e.g., your gums bleed when you brush your teeth).
- Protect yourself from the sun: Your skin will be sensitive to sunlight while taking this medication. Therefore, if you are going to be in the sun, wear clothing that covers your body and use a good sunscreen.
- Cancer risk: There is some evidence that long-term use of this medication may slightly increase the risk of some types of cancer. Talk to your doctor about this.
A special awareness about pregnancy!
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* Women: Avoid becoming pregnant while taking this medicine and for 6 months after stopping the medicine. Tell your doctor immediately if you are planning to become pregnant or suspect that you are pregnant.
* Men: Avoid fathering a child while you are taking this medicine or for at least one year after stopping the medicine.
* This medicine may affect fertility. If you have any concerns about this, talk to your doctor.
* Avoid breastfeeding your baby while taking the medicine.
What side effects might I experience?
Like any medicine, this one can have side effects. Some of them are serious, some of them are common.
| Side effects that should be reported to your doctor immediately | |
|---|---|
| Allergic reactions | Skin rash, itching, swelling of the face, lips or tongue. |
| Difficulty breathing | Shortness of breath, difficulty breathing. |
| Symptoms of low blood cell count |
|
| Skin ulcers | Non-healing, painful wounds. |
| If it persists or becomes bothersome, inform your doctor. | |
| Digestive system problems | Constipation, diarrhea, nausea. |
| Other minor ailments | Loss of appetite, mouth sores. |
Even if it's not on this list, if you feel anything unusual, tell your doctor.
Take-Home Message
- Hydroxyurea is a powerful chemotherapy drug, so always follow your doctor's instructions exactly.
- Before starting the medication, tell your doctor about all medical conditions you have and all other medications you are taking.
- Be very careful about signs of infection such as fever, chills, and unusual bruising or bleeding. If you notice any of these, tell your doctor immediately.
- Follow the pregnancy advice (for women and men) very closely. This is extremely important.
- You or someone caring for you should handle this medicine carefully. Follow safety precautions, such as wearing gloves.
- If you have any concerns or doubts, never hesitate to discuss them with your doctor.
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