Let's learn about Pemigatinib tablets for cancer treatment.

Has your doctor prescribed Pemigatinib for cancer? Let's talk briefly about this drug, what it does, and what you need to be careful about while using it. This is a somewhat complex, targeted therapy, so this information will be very important for you. Having a good understanding of this drug will give you great strength to continue the treatment successfully.

What kind of medicine is this? What exactly does it do?

Simply put, Pemigatinib is a drug that specifically targets and controls the growth of cancer cells. It is mainly used to treat bile duct cancer . In addition, it may also be recommended for some types of bone marrow cancers (myeloid/lymphoid neoplasms) .

There is a special protein in our body that helps some cancer cells grow, divide, and multiply. This medicine works by stopping the action of that protein. It's like interrupting the signal that cancer cells receive to "grow." Then the growth and spread of cancer cells is controlled. This is a medicine that works in a different way than regular chemotherapy.

Things you need to tell your doctor before starting medication

Before you start this medication, it is very important for your doctor to have a complete picture of your health condition for the treatment to be successful. Therefore, if you have any of the conditions below, be sure to tell your doctor about it.

• If you have high levels of phosphorus in your blood.
• If you have kidney disease .
• If you have any liver disease .
• If you have any vision impairment or disease.
• If you have previously had an allergic reaction to pemigatinib or any other medicine, food, or dye .
• If you are pregnant, or are expecting a baby .
• If you are a breastfeeding mother .

It is very important for your own safety to say these things without hiding them.

How should I use this medicine?

Following the exact instructions for using this medicine directly affects the success of the treatment.

• Take the medicine exactly as prescribed by your doctor, in the right dose, at the right time. It is usually best to take it at the same time every day.
• Do not break, crush, or chew this tablet. Swallow the tablet whole with water.
• This can be taken with or without food. However, if you experience stomach upset or nausea, taking the medicine with a small amount of food may help reduce the discomfort.
• If you experience side effects, your doctor may tell you to change the dose or stop taking the medicine for a while. Never change the dose or stop taking the medicine yourself without medical advice.
• Very important: Do not take this medication with grapefruit juice. Grapefruit juice can change the way this medication works in the body.

What do you do if you miss a medication appointment?

If you miss a dose, take it as soon as you remember. However, if it is less than 4 hours until your next dose, skip the missed dose and take your next dose at the regular time. Never take two pills at once to make up for a missed dose. If you are in doubt, ask your doctor.

What other things can interact with this medicine?

It is very important to tell your doctor about all the medications you are taking (medicines for other illnesses, vitamins, traditional medicines, dietary supplements). Because some things can interact with this medication. Then the effectiveness of the medication may decrease or the side effects may increase.

The main things to be careful about are:

• Some antibiotics (e.g. erythromycin, clarithromycin)
• Some antiviral drugs for HIV or Hepatitis
• Some medications for fungal infections (e.g. ketoconazole, itraconazole)
• Some medications for epilepsy/ seizures (e.g. carbamazepine, phenytoin)
• Grapefruit juice
• The herbal supplement St. John's Wort

This list is not complete, so please inform your doctor about everything you are taking.

Things to be especially careful about when taking medication

• Medical tests: Your doctor will ask you to come in for checkups at regular intervals. He or she will also order blood tests to check things like your phosphorus levels during treatment. Don't skip these.
• Eye problems: This medicine may make your eyes feel dry . This may be a problem if you wear contact lenses. Using lubricating eye drops can help. But tell your doctor if the problem persists or is severe. Your vision will also be checked before and during treatment. If you notice any changes in your vision, such as blurred vision, seeing objects in a blurry vision, or seeing black or bright spots , tell your doctor right away .
• Pregnancy and breastfeeding: This is a very important point.
• Avoid getting pregnant while taking this medicine.
• You should avoid getting pregnant for a week after stopping the pill.
• This medicine can seriously harm an unborn baby. Therefore, you and your partner should consult your doctor about suitable birth control methods .
• Do not breastfeed your baby while taking this medicine and for one week after stopping.

What are the possible side effects?

Like any medicine, this medicine can cause some side effects. Although not everyone gets them, the table below clearly explains these.

Cancer treatment, Pemigatinib, Cancer drugs, Side effects, Gallbladder cancer, Targeted therapy