IMPORTANT SAFETY INFORMATION

What is the most important information I should know about NERLYNX (ner links)?

NERLYNX® (neratinib) may cause serious side effects, including:

Your healthcare provider may change your dose of NERLYNX, temporarily stop or completely stop NERLYNX if needed to manage your diarrhea.

See "What are the possible side effects of NERLYNX?" for more information about side effects.

What is NERLYNX?

NERLYNX is a prescription medicine used to treat adults who have early-stage breast cancer, which:

It is not known if NERLYNX is safe and effective in children.

Before taking NERLYNX, tell your healthcare provider about all of your medical conditions, including if you:

Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. Especially tell your healthcare provider if you take medicines used to decrease stomach acid, called proton pump inhibitors or PPIs, and H-2 receptor antagonists. You should avoid taking these medicines during treatment with NERLYNX.

What are the possible side effects of NERLYNX?

NERLYNX may cause serious side effects, including:
See "What is the most important information I should know about NERLYNX?"

Common side effects of NERLYNX include:

These are not all the possible side effects of NERLYNX.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

For Patient Information, please click here.