Tykerb Drug Information
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Why Buy Tykerb from Universal Drugstore?
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How Long Does It Take to Receive My Tykerb Order?
You can easily place an order on our website in under 5 minutes. First you need to set up an account with us, create a payment method, and send us your prescriptions. Alternatively, you can order by downloading our order form or by placing an order over the phone. Delivery can take approximately 2 weeks to North America, and 4 weeks to other countries.
Lapatinib is used to treat a certain type of breast cancer (HER2-positive). It works by slowing or stopping the growth of cancer cells.
Rarely, people taking lapatinib have developed serious (possibly fatal) liver problems. Your doctor will perform liver function tests before and during treatment to monitor for this side effect. Keep all medical/lab appointments. Tell your doctor right away if you develop symptoms of liver disease such as persistent nausea, stomach/abdominal pain, dark urine, or yellowing eyes/skin. Do not restart Tykerb if you have previously stopped taking it due to liver problems.
How to Use Tykerb
Read the Patient Information Leaflet provided by your pharmacist before you start using lapatinib and each time you get a refill. If you have any questions, consult your doctor or pharmacist. Take Tykerb by mouth 1 hour before or 1 hour after a meal, usually once daily or as directed by your doctor. It is important that you do not take Tykerb more than once daily. The Dosage of Tykerb is based on your medical condition, response to treatment, and certain other drugs you may be taking. Do not increase your dose or take Tykerb more often than prescribed. Your condition will not improve any faster, and the risk of serious side effects may be increased. Avoid eating grapefruit or drinking grapefruit juice while being treated with Tykerb unless your doctor instructs you otherwise. Grapefruit can increase the amount of certain medications in your bloodstream. Consult your doctor or pharmacist for more details. Since Tykerb can be absorbed through the skin and lungs, women who are pregnant or who may become pregnant should not handle Tykerb or breathe the dust from the tablets. Follow your doctor's instructions on how to correctly take capecitabine or letrozole with lapatinib.
Before taking lapatinib, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. Tykerb may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. Before using Tykerb, tell your doctor or pharmacist your medical history,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,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 Tykerb, especially QT prolongation (see above). Tell your doctor if you are pregnant or plan to become pregnant. You should not become pregnant while using lapatinib. Lapatinib may harm an unborn baby. Women and men using Tykerb should ask about reliable forms of birth control during treatment and for 1 week after stopping treatment. If you or your partner become pregnant, talk to your doctor right away about the risks and benefits of Tykerb. It is unknown if Tykerb passes into breast milk. Because of the possible risk to the infant, breast-feeding is not recommended while using Tykerb and for 1 week after stopping Tykerb. Consult your doctor before breast-feeding.
For the best possible benefit, it is important to take each scheduled dose of Tykerb as directed. If you miss a dose of Tykerb, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.
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. Tykerb 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), digoxin, irinotecan, tacrolimus, trazodone, 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.
Tykerb Side Effects
What are Tykerb side effects?
Side effects are physical, mental or emotional symptoms which occur in addition to or outside of the desired effect of a therapeutic treatment such as an over-the-counter or prescribed drug or medication. Side effects from Tykerb may occur at the beginning or at the end of treatment and may also depend on the length of time an individual remains on the treatment. Side effects, also known as adverse effects, are generally more likely to occur when starting treatment. Individuals may also experience side effects from Tykerb as a result of an interaction with other medications.
Side Effects of Tykerb
The side effects of Tykerb may vary in number and intensity for many different reasons. Factors such as age, weight, gender and ethnicity may influence the side effects of Tykerb. Also, an individual’s state of general physical health and seriousness of the disease or illness as well as an increase or decrease in dosage may lead to side effects. Further, side effects from Tykerb may also occur as a result of an interaction with certain herbal supplements, foods or drinks.
Prescription drug side effects can be serious and may cause patients to stop the treatment. However, when side effects from the use of a prescription drug, such as Tykerb, do occur a patient should consult their physician. A physician may prescribe an additional treatment in order to control the symptoms or an adjustment in the dosage may be made. In addition, changes to diet, exercise or other lifestyle activities may help to lessen the side effects of Tykerb.
By understanding side effects and the factors which may influence the occurrence of side effects patients are empowered to take an active role in their care. Patients who have specific questions about the side effects of Tykerb, or any other medication, should contact their physician. General information about Tykerb and the side effects associated with Tykerb are described in the following:
Common Tykerb Side Effects
- skin rash
- palmar-plantar erythrodysesthesia
- abnormal hepatic function tests
- back pain
- general weakness
Less Frequent Tykerb Side Effects
- dry skin
- headache disorder
- pain in extremities
- acneiform eruption
Rare or Very Rare Tykerb Side Effects
- prolonged QT interval
- left ventricular failure
- interstitial pneumonitis
- interstitial lung disease
- hepatocellular damage
- severe diarrhea
- erythema multiforme
- Stevens-Johnson syndrome
- toxic epidermal necrolysis
- torsades de pointes
- ventricular arrhythmias
Store at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets. Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard Tykerb when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.
IMPORTANT DISCLAIMER: All medical content is supplied by a third-party company who is independent from this web site. As such, this web site cannot guarantee the reliability, accuracy, and /or medical efficacy of the information provided. In all circumstances, you should seek the advice of a health professional pertaining to drug, treatment and/or medical condition advice. Note that not all products are shipped by our contracted Canadian pharmacy. This website contracts with dispensaries around the world that ship products directly to our customers. Some of the jurisdiction include but are not limited to United Kingdom, Europe, Turkey, India, Canada, Vanuatu, Mauritius, and USA. The items within your order may be shipped from any one of these jurisdictions depending on the availability and cost of the products at the time you place your order. The products are sourced from these countries as well as others. Please note that the product appearance may vary from actual product received depending on availability.