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Real members of MyLungCancerTeam have posted questions and answers that support our community guidelines, and should not be taken as medical advice. Looking for the latest medically reviewed content by doctors and experts? Visit our resource section.
December 17, 2025
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MyLungCancerTeam

Are you experiencing nausea, vomiting, and diarrhea while taking Keytruda?

These symptoms can be concerning, especially when they're happening repeatedly. Nausea and vomiting are known side effects that some people experience with lung cancer treatments. It's important to let your care team know about these symptoms right Show Full Answer

Are you experiencing nausea, vomiting, and diarrhea while taking Keytruda?

These symptoms can be concerning, especially when they're happening repeatedly. Nausea and vomiting are known side effects that some people experience with lung cancer treatments. It's important to let your care team know about these symptoms right away.

Keep track of when these episodes happen, what you were eating or doing beforehand, and how long they last. This information will help your doctor understand what's going on and whether your treatment needs adjustment.

Your doctor can offer options to help manage these symptoms, such as anti-nausea medications or dietary changes. Don't wait to reach out - managing side effects is an important part of your treatment plan.

If you're experiencing severe vomiting, can't keep fluids down, or notice signs of dehydration, contact your doctor immediately or seek urgent care.

December 17, 2025

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