Advertising policy

Our site is free because of advertising, including from pharmaceutical and medical device companies.
Every ad is labeled Advertisement and is visually separate from our content.
Advertisers and sponsors have no editorial control. They don't choose, review or approve our content.
An ad on a page is not an endorsement of a product.
Advertisers are responsible for their own ads following FDA and FTC rules.
We don't target ads based on your health conditions.

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Written by the Cancer Side Effects Guide team from FDA labels and leading cancer centers. Not medical advice. · Last updated: October 15, 2026 · How we write

Not medical advice. This page is general information to help you talk with your care team. It can't replace advice from your doctor or nurse. If you have a fever of 100.4°F (38°C) or higher during treatment, or any symptom that worries you, call your care team now. In an emergency, call 911.