Precautions
Drug information provided by: Merative, Micromedex®
It is very important that your doctor check your progress at regular visits to make sure this medicine is working properly. Blood tests may be needed to check for unwanted effects.
Using this medicine while you are pregnant can harm your unborn baby. If you are a woman who can get pregnant, your doctor may do tests to make sure you are not pregnant before starting treatment. Use an effective form of birth control to keep from getting pregnant during treatment with this medicine and for at least 1 month after your last dose. Male patients who have female partners should use effective birth control during treatment with this medicine and for 3 months after the last dose. If you think you have become pregnant while using this medicine, tell your doctor right away.
Check with your doctor right away if you have pain or tenderness in the upper stomach, pale stools, dark urine, loss of appetite, nausea, vomiting, or yellow eyes or skin. These could be symptoms of a serious liver problem.
Neratinib may cause severe diarrhea, which may lead to serious complications, including dehydration, low blood pressure (hypotension), or kidney failure. Your doctor will give you medicines to help prevent diarrhea during treatment with this medicine. If you have any questions about this or if diarrhea continues, or gets worse, check with your doctor.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal (eg, St. John's wort) or vitamin supplements.
Portions of this document last updated: May 01, 2024
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