You or someone you know is probably undergoing cancer treatment. During this treatment, especially chemotherapy, cancer cells are rapidly destroyed. While this is a good thing, when these cells are destroyed, the substances inside them, especially a chemical called uric acid , accumulate in large quantities in the blood. This sudden increase in uric acid is not good for our kidneys. So, in such cases, doctors use a special drug called `Rasburicase`. Today, let's talk about this drug in simple terms.
What is this Rasburicase? What does it actually do?
Simply put, Rasburicase (ರಾಸ್-ಬೀರೀ-ಕ್ಸ್) is a medication that controls the amount of uric acid in our blood. It is mainly used to reduce and prevent the sudden increase in uric acid levels in the body due to cancer treatment.
Think of our blood vessels as a road. When cancer cells are destroyed, uric acid creates a lot of traffic on this road. This traffic can interfere with the functioning of the most important organ, the kidneys. The drug `Rasburicase` works like a traffic policeman, eliminating this traffic jam of uric acid and converting it into another chemical that can be easily excreted from the body. This allows cancer treatment to continue without harming the kidneys.
This medicine usually comes as a liquid (infusion) given into a vein. That is, it is given into the body in small amounts, like saline. It is given in a hospital or clinic under the supervision of doctors and nursing staff. `Elitek` is a well-known brand name for this medicine.
Things you should definitely tell your doctor before taking this medicine
Rasburicase is a very powerful drug. Therefore, it is very important to inform your doctor about your complete health history before starting treatment. It is especially important to tell them if you have any of the following conditions:
| Health condition or history | Why is it important? (Simple explanation) |
|---|---|
| G6PD deficiency | This is a genetic condition involving an enzyme in blood cells. If people with this condition are given Rasburicase, the red blood cells can break down and cause severe anemia. So this is very important. |
| Anemia or a history of blood donation | If you already have anemia or have received blood transfusions before, it is important to inform your doctor. |
| Various allergies (Allergies) | Be sure to tell your doctor if you have any allergies to rasburicase, yeast, mannitol, other medications, foods, or dyes. |
| Pregnancy or trying to get pregnant | If you are pregnant or planning to become pregnant, it is very important to tell your doctor. |
| Breastfeeding | You should avoid breastfeeding while taking this medicine and for 2 weeks after stopping it. So if you are a breastfeeding mother, tell your doctor about it too. |
Things to be careful about when using this medicine
The medical staff will monitor you very closely while you are given this medicine.
- Blood tests: During treatment, you will need to have regular blood tests to check your uric acid levels, how well the medication is working, and if there are any side effects. This is normal, so don't worry.
- Other medications: Give your doctor a complete list of any other medications, vitamins, herbal remedies, and supplements you are taking. Some may interact with this medication.
- For children: This medicine is sometimes given to children as young as 1 month old. However, special precautions must be followed. If you are giving this medicine to your child, talk to your pediatrician about it.
Since this medicine is given in a hospital under the direct supervision of doctors and nurses, you do not need to worry about an overdose. If you feel any discomfort in any way, inform the nurse or doctor immediately. They will take the necessary steps for that. If you suspect any other poisoning, you can call the National Poisons Information Centre at the Colombo National Hospital for advice.
What are the possible side effects of Rasburicase?
Like any medicine, `Rasburicase` can cause side effects in some people. However, not everyone gets them. The most important thing is to report any symptoms immediately.
| Classification of side effects | |
|---|---|
| Serious side effects that you should report to your doctor or nurse immediately | |
| Allergic reactions | Skin rash, itching, swelling of the face, lips or tongue. |
| Breathing difficulties | Difficulty breathing, chest pain or tightness. |
| Circulatory problems | Blue lips or fingernails, fast or irregular heartbeat, fainting, low blood pressure, yellowing of the eyes or skin. |
| Other serious symptoms | Seizures, extreme tiredness or fatigue, confusion. |
| Side effects that are usually not serious, but should be reported to the doctor if they persist | |
| |
This list does not include all possible side effects, so if you experience anything unusual, don't be afraid to talk to your doctor about it.
Take-Home Message
- `Rasburicase` is a special medication given in a hospital to reduce the amount of uric acid in the blood that increases due to cancer treatment.
- Before starting treatment, be sure to tell your doctor about your G6PD deficiency, allergies, and all other medical conditions.
- Frequent blood tests are essential during treatment.
- Notify your doctor or nurse immediately if you experience any severe allergic symptoms, such as difficulty breathing, skin rash, or facial swelling.
- Avoid breastfeeding completely while taking this medicine and for 2 weeks after stopping.
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