What is Lapatinib?

Lapatinib is a drug that is a type of targeted cancer treatment known as a tyrosine kinase inhibitor. And it is used primarily in the treatment of certain types of breast cancer, especially HER2-positive breast cancer. Lapatinib works by inhibiting the epidermal growth factor receptor (EGFR) and human epidermal growth factor receptor 2 (HER2), both of which are involved in the growth and spread of cancer cells. By blocking these receptors, lapatinib can slow or stop the growth of cancer cells. and lapatinib Price Philippines

Common Side Effects:

Fatigue

Nausea

Rash

Diarrhea

Cardiotoxicity (potential cardiac problems, heart function monitoring required)

Hepatotoxicity (liver function abnormalities, regular liver function tests required)

Hand-foot syndrome (redness and pain on the palms of the hands and soles of the feet)

Loss of appetite

Patients taking lapatinib generally require close monitoring to manage these side effects and ensure treatment effectiveness.

Lapatinib comes in the form of tablets and is taken by mouth. General instructions for the use of lapatinib are as follows:

Dosage and administration:

Standard dosage:

For advanced or metastatic breast cancer:

Combination with capecitabine: The usual dose is 1,250 mg (usually five 250-mg tablets) each, taken once daily, continuously.

For hormone receptor-positive, HER2-positive metastatic breast cancer:

Timing:

Take lapatinib 250 mg Price before or at least one hour after a meal. It should be taken at about the same time every day to keep its levels in your bloodstream steady.

Swallowing:

Swallow the tablets as a whole with water. Do not crush or chew the tablets.

1: Liver function:

Liver function tests may also be needed as lapatinib can cause hepatotoxicity. If you notice symptoms such as dark urine, jaundice, or severe vomiting and nausea, contact your doctor immediately

2: Heart function:

Lapatinib may affect heart function. Heart function tests (such as EKG or echocardiogram) may be performed before and during treatment. Report any symptoms such as dizziness or shortness of breath, or nervousness to your doctor

3: Electrolyte levels:

Lapatinib may cause changes in the levels of electrolytes, particularly potassium. And regular blood tests may be needed to monitor these levels.

4: Drug Interactions:

Inform your doctor about all medications you are taking as lapatinib may interact with various medications, including some antibiotics, antifungals, and other cancer treatments.

5: Missed Dose:

If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and take your regular dose. Do not take two doses at the same time to make up for a missed dose.

6: Side effects:

Common side effects include

fatigue

rash

nausea

diarrhea.

Inform your doctor immediately about any serious side effects.

Regular follow-up appointments are necessary to monitor your response to treatment and manage any side effects. Your doctor may adjust your dosage based on your tolerance and any side effects you experience.