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Lapakast 250mg Tablet
Last updated on 31 Mar 2026 | 09:29 AM (IST)
₹2745
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Introduction to Lapakast 250mg Tablet
Lapakast 250mg Tablet contains the active ingredient lapatinib. It is indicated to treat advanced breast cancer and it may be used alone or in combination with other medications. It is effective against cells sensitive to hormones and rapidly multiplying cancer cells that produce most of the protein called human epidermal growth receptor-2.
The common side effects that are likely to occur while you are on the treatment with Lapakast 250mg Tablet are nausea, vomiting, tiredness, weakness, itching, dry skin, loss of appetite, indigestion, constipation, mouth ulcers, stomach pain, difficulty in sleeping, joint or back pain, cough, breathing problems, headache, etc. If you experience severe allergic reactions, skin rashes, heart, liver, and lung problems, report your physician immediately.
Inform your healthcare provider at the first sign of diarrhea or dehydration. Monitor your blood pressure regularly while taking Lapakast 250mg Tablet. If you have diarrhea while taking this medication, drink plenty of fluids, eat low-fat, high-protein foods, and avoid milk and its products and herbal supplements
Uses of Lapakast 250mg Tablet
Lapakast 250mg Tablet is used in the treatment of the following:
- Treats advanced or HER2-positive metastatic breast cancer.
Therapeutic Effects of Lapakast 250mg Tablet
Lapakast 250mg Tablet acts against the enzyme called tyrosine kinase. It prevents the Human epidermal growth factor receptor protein (HER2) and Epidermal growth factor receptors (EGFRs) from signaling, which are produced by breast cancer cells. It kills cancer cells and slows down their growth.
Interaction of Lapakast 250mg Tablet with other drugs
Inform your doctor about any prescribed medications, over-the-counter medicines, nutritional and vitamin supplements, and herbal products you take or have taken before the treatment. Certain medications may interact with Lapakast 250mg Tablet Injection and cause undesirable side effects.
More Information about Lapakast 250mg Tablet
- Store below 30°C, away from light and moisture.
- Keep the medicine out of reach of children.
- Do not crush or dissolve the tablets—swallow them whole.
- Take it on an empty stomach (1 hour before or after a meal).
How to consume Lapakast 250mg Tablet
Take Lapakast 250mg Tablet exactly as prescribed by your doctor. Take this medicine at least 1 hour before or after eating. Swallow the tablet and do not crush, open, or dissolve it.
Safety Advice for Lapakast 250mg Tablet
Breast Feeding
Lapakast 250mg Tablet is unsafe during breastfeeding as this medication tends to pass into the breast milk and affect the baby.
Alcohol
Avoid drinking alcohol while taking Lapakast 250mg Tablet, as it may cause dizziness.
Liver
Lapakast 250mg Tablet should be used with caution in patients with severe liver disease. Consult your physician for advice.
Lungs
Talk to your doctor if you have any lung conditions before starting treatment with Lapakast 250mg Tablet.
Driving
Lapakast 250mg Tablet may affect your ability to drive or perform activities that require focus. Exercise caution while driving or using machines.
Pregnancy
It is not safe to consume Lapakast 250mg Tablet while you are pregnant. Consult your doctor and use a reliable contraception method to avoid becoming pregnant during this treatment.
Side Effects of Lapakast 250mg Tablet
Side effects are unwanted symptoms caused by medicines. Even though all medications cause side effects, not everyone gets them.
Serious side effects of Lapakast 250mg Tablet:
- Diarrhea
- Severe allergic reactions
- Skin rash
- Heart problems
Common side effects of Lapakast 250mg Tablet:
- Loss of appetite
- Nausea, vomiting
- Tiredness, weakness
- Indigestion
- Constipation
- Sore mouth or mouth ulcers
- Stomach pain
- Trouble sleeping
- Back pain
- Pain in the hands and feet
- Joint or back pain
- Cough, breathlessness
- Headache
- Nose bleed
- Hot flush
- Unusual hair loss
- Dry skin and itching
Word of Advice
Stay hydrated, especially if you experience diarrhea. Eat a well-balanced, low-fat, high-protein diet. Avoid grapefruit juice, herbal supplements, and prolonged sun exposure. This medicine can make your skin more sensitive to sunlight, so always use sunscreen when going outside. Use a gentle, soap-free cleanser to wash your skin and keep it moisturised.
FAQs about Lapakast 250mg Tablet
Q1.
What is Lapakast 250mg Tablet used for?
Lapakast 250mg Tablet is used to treat advanced or HER2-positive metastatic breast cancer.
Q2.
What is the most common side effect of Lapakast 250mg Tablet?
The most common side effect of Lapakast 250mg Tablet is Diarrhea. To prevent dehydration, consume lots of liquids, such as water or juice. If it is serious, consult your doctor right away.
Q3.
How does Lapakast 250mg Tablet work?
Lapakast 250mg Tablet acts against the enzyme called tyrosine kinase. It prevents the Human epidermal growth factor receptor protein (HER2) and epidermal growth factor receptors (EGFRs) from signaling, which breast cancer cells produce. It kills cancer cells and slows down their growth.
Q4.
Is it safe to take Lapakast 250mg Tablet while drinking juice?
No. Drinking grapefruit juice while taking Lapakast 250mg Tablet can cause harmful interaction. Take this medicine with water only.
Q5.
Can a pregnant woman take Lapakast 250mg Tablet?
No, Lapakast 250mg Tablet is unsafe during pregnancy as it may harm the unborn baby. Therefore, it is advisable to tell your healthcare provider if you are pregnant or planning to have a baby before taking this medicine.
Q6.
Is Lapakast 250mg Tablet safe for breastfeeding women?
Lapakast 250mg Tablet is unsafe during breastfeeding as this medication passes into the breastmilk and affects the baby. It is not to be taken without the doctor's consent.
Fact Box of Lapakast 250mg Tablet
Molecule name: Lapatinib
| Therapeutic class: Antineoplastic agent |
| Pharmacological class: Kinase inhibitor | Indications: Treats advanced or HER2 Positive metastatic breast cancer. |
References
1. Edward Chu, Cancer Chemotherapy, Lange’s Basic and Clinical Pharmacology, 14th Edition, 2018, 948-976.
2. KD Tripathi, Anticancer Drugs, Essentials of Medical Pharmacology, 8th Edition, 2019, 915-936.
3. Novartis Europharm Limited, Electronic medicines compendium (emc), [ Revised on March 2022] [ Accessed on 19th August 2022], https://www.medicines.org.uk/emc/files/pil.6292.pdf
4. GlaxoSmithKline, US Food & Drug Administration, [ Accessed on 19th August 2022], https://www.accessdata.fda.gov/drugsatfda_docs/label/2010/022059s007lbl.pdf
Disclaimer
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Author Details
Written By
Dr. Vijayalakshmi N.
BDS
Reviewed By
Dr. Tejashwin Adiga
MBBS
Last updated : 31 Mar 2026 | 09:29 AM (IST)
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