Cancer, the Flu, and You
Prevent Flu!
If you have cancer now or have had cancer in the past, you are at higher risk for complications from the flu.
Get Your Flu Shot!
People with cancer or a history of cancer, and people who live with or care for cancer patients and survivors, should get a seasonal flu shot every year.
Are You 65 Years Old or Older?
Immune defenses become weaker with age, which places older people at greater risk of severe illness from flu. Also, aging lowers the body’s ability to have a good immune response after getting a flu shot.
Two vaccines are designed for people 65 and older—
- The high-dose flu vaccine contains four times the amount of antigen as the regular flu shot.
- The adjuvanted flu vaccine is designed to help create a stronger immune response to vaccination.
For more information, see People 65 Years and Older and Influenza.
Do You Need a Pneumococcal Shot?
Many people who are at higher risk for flu are also at higher risk for pneumococcal disease. People with cancer or other diseases that compromise your immune system should ask their health care providers if pneumococcal shots are needed.
Everyone 6 months of age and older should get a flu vaccine every season.
What to Do If You Get Sick
Make a Plan
Make a plan in advance with your doctor about what to do if you get sick. Flu-like symptoms also can be a sign of a very serious infection that is not the flu. The plan includes when you should call your doctor and how to get a prescription for antiviral drugs quickly if needed.
Stay Home
If you have flu symptoms, stay home for at least 24 hours after your fever is gone except to get medical care or for other necessities. Your fever should be gone without the use of a fever-reducing medicine. Keep away from others as much as possible to avoid making them sick.
Call Your Doctor
It’s important for people with cancer to call their doctor right away if they get a fever.
Flu Treatment for Cancer Patients and Survivors
CDC recommends antiviral drugs to treat and prevent infection. If you get sick, antiviral drugs can make you feel better faster and may prevent serious flu complications.
If you have received cancer treatment such as chemotherapy or radiation therapy within the last month, or have a blood or lymphatic form of cancer, call your doctor right away if you have been within six feet (1.8m) of someone known or thought to have the flu. Your doctor may give you antiviral drugs to help prevent the flu.
If you have cancer and have not received treatment within the last month, or you have had cancer in the past but are cancer-free now, and you have had close contact with someone known or thought to have the flu, call your doctor and ask if you should take antiviral drugs.
Help Prevent the Flu from Spreading
Good health habits can help stop the flu from spreading. For example, cover your nose and mouth with a tissue when you cough or sneeze and wash your hands often.
- Page last reviewed: December 12, 2016
- Page last updated: November 28, 2018
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