Understanding Side Effects


Keep track of side effects

RYDAPT® (midostaurin) capsules may cause side effects. It is important to keep track of the side effects and tell your health care team if they occur.

Some tips to help manage side effects

While taking RYDAPT, you may experience side effects. Here are a few suggestions that may help.


Avoid foods that may cause upset stomach, like fried or spicy foods. Try to eat more fruits and vegetables.




Stay hydrated by drinking plenty of water. Eat small meals that are easy on the stomach.




Limit salt in your diet, and practice light exercise to improve circulation.




Create a schedule that includes rest time and light activity.



Talk to your doctor before taking any medicine for side effects, such as an over-the-counter treatment for diarrhea.

Let your doctor know about any side effects you may experience. Be sure to make note of the frequency and intensity. Report severe symptoms to your doctor immediately.

What are the possible side effects of RYDAPT?

RYDAPT may cause serious side effects, including lung problems. RYDAPT may cause lung problems that may lead to death when used alone or in combination with other chemotherapy medicines. Get medical help right away if you have any new or worsening lung symptoms, including cough, chest discomfort, or shortness of breath.


The most common side effects of RYDAPT in people with advanced systemic mastocytosis (SM) include: nausea; vomiting; diarrhea; swelling of your hands, feet, or ankles; muscle or bone pain; stomach-area pain; tiredness; upper respiratory tract infection; constipation; fever; headache; and trouble breathing.


Call or inform your health care provider if nausea, vomiting, or diarrhea occurs, gets worse, or does not go away.


RYDAPT may cause fertility problems in females and males, which may affect your ability to have children. Talk to your health care provider if you have concerns about fertility.


Your health care provider may tell you to decrease your dose, temporarily stop, or completely stop taking RYDAPT if you develop certain side effects during treatment with RYDAPT.


Your health care provider will do blood tests to check you for side effects during treatment with RYDAPT.


These are not all of the possible side effects of RYDAPT. Call your doctor for medical advice about side effects. You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch, or call 1-800-FDA-1088.