What are the side effects of pemetinib?

Pemetinib, as an innovative targeted therapy, is mainly used to treat patients with advanced cholangiocarcinoma carryingFGFR2 gene mutations. It precisely inhibits the activity of fibroblast growth factor receptor (FGFR), effectively blocking the growth and spread of cancer cells, bringing new treatment hope to patients. However, like all medications, pemetinib may be associated with a range of side effects during treatment.

During the use of pemetinib, patients need to be particularly vigilant about the occurrence of allergic reactions. If allergy symptoms such as hives, difficulty breathing, facial swelling, swollen lips, swollen tongue, or throat swelling occur, these are often signs of an allergic reaction and patients should seek emergency medical help immediately as these symptoms can quickly worsen and become life-threatening.

In addition to allergic reactions, pemetinib can cause a range of serious side effects. Patients may experience eye discomfort such as eye pain, redness, dryness, swelling, or increased tearing and becoming more sensitive to light. In addition, abnormal vision is also one of the possible side effects of pemetinib, such as blurred vision, seeing black spots, "floating objects" or flashes of light. These symptoms may indicate that the patient's eye health is compromised and requires prompt medical attention. At the same time, pemetinib may also affect blood phosphorus levels, causing the phosphate content in the blood to be too high or too low, causing symptoms such as muscle cramps, numbness, or tingling around the mouth.

In addition, pemetinib may cause a range of common gastrointestinal reactions, such as stomach pain, nausea, vomiting, loss of appetite, and diarrhea or constipation. Mouth ulcers, dry mouth, joint pain or back pain, and feeling tired and weak are also possible side effects of pemetinib. Some patients may also experience abnormal fingernails or toenails, dry skin, hair loss, and changes in taste.

It should be emphasized that the side effects listed above are not all symptoms that may be caused by pemetinib. During treatment, patients may experience other side effects not listed. Therefore, patients should pay close attention to their physical condition while using pemetinib, and if they have any discomfort, they should communicate with their doctor immediately so that the doctor can adjust the treatment plan according to the specific situation to ensure the safety and effectiveness of the treatment.

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Reference link:https://www.drugs.com/mtm/pemigatinib.html