What other medications may cause a drug interaction to occur?
Some medications that may interact with Tykerb include dexamethasone, letrozole, Nexium (esomeprazole), prochlorperazine, sertraline, and venlafaxine.
What should I avoid while using Tykerb?
During treatment with Tykerb, you should avoid all grapefruit products. Grapefruit can increase the effect of Tykerb, which can lead to serious and unpleasant side effects.
Can children use this medication?
Safety and effectiveness of Tykerb have not been established in pediatric patients. Some doctors may prescribe this medication a person under 18, but only under certain circumstances.
What is the average dose for an adult with HER2-positive metastatic breast cancer?
*** Doses can only be determined by your doctor. Do not use this dosage if it is different from what your doctor prescribed to you. ***
The average dose for an adult with HER2-positive metastatic breast cancer is 1,250mg given orally once per day for 21 consecutive days. Other medications may also be used for a partial amount of this 21 day cycle.