Your cancer treatment, in plain language
Cliff notes on your drugs, tips for side effects, when to call your care team, help paying and trusted support. All free, all sourced.
Most-searched side effects
Hair loss from chemoNausea and vomitingFatigue (extreme tiredness)Neuropathy (numbness and tingling)Mouth sores (mucositis)Low blood counts and infection risk (neutropenia)
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Choose your cancer type
Breast cancer9 drug guidesLung cancer7 drug guidesProstate cancer3 drug guidesColorectal cancer6 drug guidesOvarian cancer6 drug guides
How does my drug work?
KeytrudaImmunotherapy (PD-1 blocker)OpdivoImmunotherapy (PD-1 blocker)TamoxifenHormone therapy pillIbranceTargeted therapy pill (CDK4/6 inhibitor)TagrissoTargeted therapy pill (EGFR inhibitor)LynparzaTargeted therapy pill (PARP inhibitor)
Help paying
Copay programs and foundations · Medicare and your cancer drugs · Real stories
More guides
Chemo regimens · What to eat · Caregiver guide · Support groups
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.