Let's learn about Imatinib tablets? Help in your fight against cancer!

Have you or someone you know ever had to fight cancer? At such times, doctors prescribe us various medications, right? Imatinib is a special drug that helps control such cancer cells. Let's talk about this drug in more detail today, shall we?

What kind of medicine is Imatinib?

Simply put, Imatinib is an advanced drug that targets cancer cells and helps stop their growth. Like a sniper, it targets specific proteins in cancer cells while sparing as much healthy cells as possible. This slows down the cancer cells from dividing and spreading.

Another name for this drug in the market is Gleevec . Your doctor may also refer to this drug by this name.

What kind of diseases is this medicine used for?

This drug, called Imatinib, is mainly used to treat certain types of leukemia , which are cancers that develop in the blood. In addition, it:

• Myelodysplastic Syndromes are bone marrow-related diseases.
• For some other types of cancer.
• It is also used for special types of tumors that form in our digestive system (i.e., the intestines), called GISTs (Gastrointestinal Stromal Tumors) .

But remember, doctors can sometimes use this medicine for other conditions, so if you have any questions about why you have been prescribed this medicine, it is always best to ask your doctor or pharmacist.

What are the things you need to tell the doctor before taking the medicine?

Before you start taking Imatinib, there are a few things you should definitely tell your doctor. If you don't tell them, they may not be suitable for you, or they may cause other problems. So be sure to tell them:

• If you have bleeding problems.
• If you currently have any infection - especially viral infections like chickenpox and herpes.
• If you have heart disease or heart failure.
• If you have kidney disease.
• If you have liver disease.
• If you have lung disease.
• If you have stomach problems.
• If you have had an allergic reaction to Imatinib in the past, or to any other medicine, food, dyes, or preservatives.
• If you are pregnant or trying to get pregnant.
• If you are a breastfeeding mother.

It is very important for your safety to give this information to the doctor!

How to use this medicine correctly?

It is very important to know exactly how to take this medicine. You should follow exactly what the doctor says.

• This pill should be taken with a large glass of water . Do not take the pill with a small amount of water.
• It's best to take it with food. This can help reduce stomach upset and nausea.
• Do not take this medication with grapefruit juice for any reason. Grapefruit juice may interfere with the effectiveness of this medication.
• Take the medicine exactly as your doctor has prescribed, at the right time, in the right amount. Never take more than the doctor tells you to, or take it more often.
• Do not stop taking this medication suddenly without your doctor's advice.

Some people have a hard time swallowing pills, don't they? If you have that problem, talk to your doctor, pharmacist, or healthcare professional. They can help you with that. There may be ways to dissolve the pill in water and drink it, but that should only be done under the doctor's advice.

What if this medicine is given to children...?

Yes, in some special cases, Imatinib can be given to children as young as one year old. But that is decided by a pediatrician. There are a few things to be especially careful about when giving it to children. Therefore, if you are giving this medicine to a child, it is essential to talk to the doctor about it and explain everything.

What do you do if you take too much medicine by mistake?

If that happens, that is, if you think you've taken more than you thought, you should immediately call a poison control center or the emergency room of a nearby hospital. Don't waste time. This is a medicine that was prescribed for you, do not share it with anyone.

What do you do if you miss a medication appointment?

If you accidentally forget to take a dose, take it as soon as you remember. However, 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 to make up for a forgotten dose. Doing so may increase the amount of medicine you take.

What other medications may interact with this medicine?

This is very important . Imatinib can interact with some other medications you are taking. This means that when taken together with that medication, the effects of Imatinib may change, or the effects of the other medication may change, or the side effects may increase.

Therefore, when you take Imatinib, you should tell your doctor about all the medicines you are taking (prescribed by your doctor, those you buy from a pharmacy, traditional medicines, herbal products, vitamins). You should also tell your doctor if you smoke, drink alcohol, or use other drugs.

Imatinib may interact with the following medications:

• Some antiviral medications for HIV or AIDS
• Bosentan
• Cisapride
• Clarithromycin
• Cyclosporine
• Dexamethasone
• Diltiazem
• Ergot alkaloids (e.g., dihydroergotamine, ergonovine, ergotamine, methylergonovine)
• Erythromycin
• Grapefruit or grapefruit juice - As mentioned before, this should definitely be avoided.
• Cholesterol-lowering medications (e.g. atorvastatin, lovastatin, simvastatin)
• Medications for depression, anxiety, or mental illness
• Antifungal medications (e.g. ketoconazole, itraconazole)
• Medicines for irregular heartbeats (e.g. amiodarone, bepridil, dofetilide, encainide, flecainide, propafenone, quinidine)
• Medicines for seizures (e.g. carbamazepine, phenobarbital, phenytoin)
• Sleeping pills
• NSAIDs (e.g. ibuprofen, naproxen)
• Pimozide
• Rifabutin
• Rifampin
• Sildenafil
• Sirolimus
• The herb St. John's wort
• Tacrolimus
• Vaccines
• Verapamil
• Warfarin - a medicine that prevents blood clotting

This list is not exhaustive. Therefore , it is best to tell your doctor about all the medications you are taking. Especially talk to your doctor before taking medications such as paracetamol, aspirin, ibuprofen, ketoprofen, and naproxen.

What are the things to be careful about when taking medicine?

Your doctor will monitor your health regularly while you are taking Imatinib. This will include regular blood tests to see how the medicine is affecting your body and whether there are any side effects. If you develop any new symptoms, you should tell your doctor right away.

Be aware of possible severe skin reactions.

This medicine can cause serious skin reactions in some people. These may occur weeks or months after starting the medicine. If you get a skin rash with a fever or a cold-like illness, tell your doctor right away. The rash may be red or purple, then blister and peel. Or, a red rash may be accompanied by swollen lymph nodes on the face, lips, neck, or armpits.

Protect yourself from infections

If you have symptoms like fever, chills, sore throat, or a cold, do not self-medicate. Call your doctor immediately for advice. This medicine can reduce your body's ability to fight infections. So try to stay away from people who are sick as much as possible.

Risk of bleeding

This medicine may increase your risk of bleeding or bruising. Tell your doctor if you get frequent bruises, nosebleeds, bleeding gums when brushing your teeth, or any other unusual bleeding.

Drowsiness and dizziness

This medicine may make you feel drowsy or dizzy. Therefore, until you know exactly how this medicine affects you, avoid driving, using machinery, or doing anything that requires concentration.

How is this medicine for pregnant and breastfeeding mothers?

This is a very important matter.

• Do not get pregnant while taking this medication and for 14 days after stopping the medication.
• If a woman is planning to become pregnant, or thinks she may be pregnant, she should tell her doctor. This medicine can cause serious side effects for an unborn baby. Ask your doctor or pharmacist for more information.
• Do not breastfeed your baby while taking this medication and for one month after stopping the medication.

What are the possible side effects of this medicine?

Like any medicine, Imatinib can cause side effects in some people. Not everyone gets them, but some people do. Some of these are things you should tell your doctor about right away , while others are less serious and will go away in a few days. But if they persist or are bothersome, you should tell your doctor .

Side effects that you should tell your doctor immediately:

• Allergy symptoms: skin rash, itching or hives, swelling of the face, lips, tongue.
• Breathing problems.
• Changes in vision.
• Dark urine.
• General ill feeling or flu-like symptoms.
• Light-colored stools.
• Loss of appetite.
• Decreased blood counts: This medicine can cause a decrease in the number of white blood cells, red blood cells, and platelets. This may increase your risk of developing infections and bleeding.
• Mouth sores.
• Rash, fever, and swollen lymph nodes.
• Redness, blistering, peeling or loosening of the skin, and these can also occur inside the mouth.
• Right upper belly pain.
• Signs of low platelets or bleeding: bruising, pinpoint red spots on the skin, black, tarry stools, blood in the urine, nosebleeds.
• Symptoms of low red blood cells: unusual weakness, fatigue, fainting spells, and lightheadedness.
• Signs of infection: fever or chills, cough, sore throat, pain or difficulty urinating.
• Swelling of the legs or ankles.
• Trouble passing urine or change in the amount of urine.
• Vomiting.
• Yellowing of the eyes or skin.

Side effects that usually do not require medical treatment (but should be reported to the doctor if they persist or are bothersome):

• Decreased appetite.
• Diarrhea.
• Insomnia (difficulty sleeping).
• Headache.
• Heartburn.
• Joint pain.
• Muscle cramps or pain.
• Nausea.
• Upset stomach.

This list may not include all possible side effects. If you notice anything unusual, ask your doctor about it. You can also report side effects to the FDA (Food and Drug Administration) at 1-800-FDA-1088 (in Sri Lanka, you can report them to the relevant drug regulatory authority through your doctor).

How should I store this medicine?

This medicine should be kept out of the reach of children . That is very important.

• Store the tablets at room temperature, between 15 and 30 degrees Celsius (59 and 86 degrees Fahrenheit).
• Protect it from moisture. That means don't keep it in damp places like the bathroom.
• Keep the bottle tightly closed.
• Do not use expired medications. Throw them away.

This leaflet is a summary only. It may not contain all the information. If you have any further questions about this medicine, talk to your doctor, pharmacist, or healthcare professional.

Take-Home Message:

Okay, so, from what we've talked about Imatinib, there are a few things you should definitely remember :

• Imatinib is a special medicine that helps stop the growth of cancer cells. Take it exactly as your doctor tells you, at the right time, in the right amount.
• Take with food and plenty of water. Never with grapefruit juice.
• Tell your doctor about all other medications you take and all your medical conditions . This is especially important if you are pregnant, trying to become pregnant, or breastfeeding.
• You will need to have regular blood tests. Be aware of skin changes, signs of infection, and unusual bleeding. If you notice anything like that , tell your doctor immediately.
• We also talked about what to do if you take too much medicine or miss a meal, right? Remember those things.
• Keep this medicine in a cool, dry place out of the reach of children.

The battle with cancer is not easy. But with advanced medicine like this, and by following the doctor's instructions carefully, you will gain great strength to win this battle. No matter what problem you have, don't be afraid to talk to the doctor. Wishing you a speedy recovery!

` imatinib, gleevec, cancer, leukemia, GIST, drugs, side effects