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Buy Tykerb 250mg Online is the trade name for lapatinib. In some cases, health care professionals may use the trade name Tykerb when referring ...

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  • Manufacturer : Glaxosmithkline
  • Equivalent Brands : Tykerb
  • Generic Brands : Lapatinib
  • Strength : 250 mg
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30 Tablets   $8.63 $259.00 Add to Cart
60 Tablets    $8.62 $517.00 Add to Cart
90 Tablets  $8.61 $775.00 Add to Cart

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1. Buy Tykerb 250mg Online

Tykerb is the trade name for lapatinib. In some cases, health care professionals may use the trade name Tykerb when referring to the generic drug name lapatinib.

Tykerb is a targeted therapy. Tykerb is classified as a signal transduction inhibitor - tyrosine kinase inhibitor, inhibitor of EGFR and HER2.

2. How To Tykerb 250mg Work?

Targeted therapy is the result of about 100 years of research dedicated to understanding the differences between cancer cells and normal cells. To date, cancer treatment has focused primarily on killing rapidly dividing cells because one feature of cancer cells is that divide rapidly. Unfortunately, some of our normal cells divide rapidly too, causing multiple side effects.

Targeted therapy is about identifying other features of cancer cells. Scientists look for specific differences in the cancer cells and the normal cells. This information is used to create a targeted therapy to attack the cancer cells without damaging the normal cells, thus leading to fewer side effects. Each type of targeted therapy works a little bit differently but all interfere with the ability of the cancer cell to grow, divide, repair and/or communicate with other cells.

There are different types of targeted therapies, defined in three broad categories. Some targeted therapies focus on the internal components and function of the cancer cell. The targeted therapies use small molecules that can get into the cell and disrupt the function of the cells, causing them to die. There are several types of targeted therapy that focus on the inner parts of the cells. Other targeted therapies target receptors that are on the outside of the cell. Antiangiogenesis inhibitors target the blood vessels that supply oxygen to the cells, ultimately causing the cells to starve.

Tykerb belongs to the signal transduction inhibitor category of targeted therapies. It particularly interferes with the protein-tyrosine kinases; Epidermal Growth Factor Receptor (EGFR[ErbB1]) and of Human Epidermal Receptor type 2 (HER2 [ErbB2]).

Research continues to identify which cancers may be best treated with targeted therapies and to identify additional targets for more types of cancer.

3. Drug interaction of Tykerb 250mg

Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

This medication can slow down the removal of other medications from your body, which may affect how they work. Examples of affected drugs include certain "statin" cholesterol medications (simvastatin, lovastatin, atorvastatin), tacrolimus, trazodone, digoxin, among others.

Other medications can affect the removal of lapatinib from your body, which may affect how lapatinib works. Examples include dexamethasone, cimetidine, St. John's wort, azole antifungals (such as itraconazole, ketoconazole), macrolide antibiotics (such as erythromycin, clarithromycin), HIV protease inhibitors (such as ritonavir, saquinavir), rifamycins (such as rifabutin), certain anti-seizure medicines (such as phenytoin), among others.

Many drugs besides lapatinib may affect the heart rhythm (QT prolongation), including dofetilide, pimozide, procainamide, amiodarone, quinidine, sotalol, macrolide antibiotics (such as erythromycin), among others. Therefore, before using lapatinib, report all medications you are currently using to your doctor or pharmacist.

4. Side Effects of Tykerb 250mg

  • Diarrhea
  • Low red blood cell count
  • Nausea and vomiting.
  • Elevated liver enzymes
  • Rash
  • Low blood counts.
  • Fatigue,
  • tiredness
  • Abdominal pain
  • Mouth sores
  • Heartburn
  • Pain in arms, legs, back
  • Shortness of breath
  • Difficulty sleeping
  • Dry skin

5. Warning of Tykerb 250mg tablet

Risk of severe and fatal hepatotoxicity; discontinue if occurs; do not retreat. Monitor liver function tests before, every 4–6 weeks during therapy and as indicated. Confirm normal LVEF before starting. Discontinue if ≥grade 2 decrease in LVEF occurs, or if LVEF falls below institution's lower limit of normal; may restart after at least 2 weeks at reduced dose if asymptomatic and LVEF recovers. Conditions that impair left ventricular function, or risk factors for QT prolongation (eg, hypokalemia, hypomagnesemia, congenital long QT syndrome, concomitant antiarrhythmics, cumulative high dose anthracyclines); correct electrolyte disturbances before starting. Monitor for interstitial lung disease or pneumonitis; discontinue if pulmonary symptoms ≥grade 3 (NCI CTCAE). Discontinue if severe skin reaction (eg, Stevens-Johnson syndrome, toxic epidural necrolysis) is suspected. Severe hepatic impairment: consider dose reduction. Diarrhea: promptly treat with anti-diarrheal agents; if severe, may require fluids, electrolytes, antibiotics and therapy interruption/discontinuation. Monitor ECG. Pregnancy (Cat.D); avoid. Nursing mothers: not recommended.

6. Precaution of Tykerb 250mg tablet

Before taking lapatinib, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: heart disease (e.g., irregular heartbeat), liver disease.

Lapatinib may cause a condition that affects the heart rhythm (QT prolongation). QT prolongation can rarely cause serious (rarely fatal) fast/irregular heartbeat and other symptoms (such as severe dizziness, fainting) that need medical attention right away.

The risk of QT prolongation may be increased if you have certain medical conditions or are taking other drugs that may cause QT prolongation. Before using lapatinib, tell your doctor or pharmacist of all the drugs you take and if you have any of the following conditions: certain heart problems (heart failure, slow heartbeat, QT prolongation in the EKG), family history of certain heart problems (QT prolongation in the EKG, sudden cardiac death).

Low levels of potassium or magnesium in the blood may also increase your risk of QT prolongation. This risk may increase if you use certain drugs (such as diuretics/"water pills") or if you have conditions such as severe sweating, diarrhea, or vomiting. Talk to your doctor about using lapatinib safely.

Older adults may be more sensitive to the side effects of this drug, especially QT prolongation.

This medication is not recommended for use during pregnancy. It may harm an unborn baby. Therefore, it is important to prevent pregnancy while taking this medication. Consult your doctor for more details and to discuss the use of reliable forms of birth control (e.g., condoms, birth control pills) while taking this medication. If you become pregnant or think you may be pregnant, tell your doctor right away.

It is not known whether this drug passes into breast milk. Because of the possible risk to the infant, breast-feeding while using this drug is not recommended. Consult your doctor before breast-feeding.

7. Uses of Tykerb 250mg

Lapatinib is used together with another medication (capecitabine) to treat a certain type of breast cancer (HER2-positive) that has not responded to the standard treatment. Lapatinib may also be used together with another medication (letrozole) to treat HER2-positive breast cancer in women after menopause. It works by slowing or stopping the growth of cancer cells.

8. Storage of Tykerb 250mg

Store at 25°C (77°F); excursions permitted to 15°C to 30°C (59°F to 86°F)

Additional

SKU AC068
Manufacturer Glaxosmithkline
Equivalent Brands Tykerb
Generic Brands Lapatinib
PharmaceuticalForm Tablet/s
Strength 250 mg

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