Caring for the Patient With Cancer at Home

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Fatigue

Fever

Fever is a body temperature of 100.5° F or higher (when taken by mouth) that most often goes up and down over the course of a day. Fever is usually caused by an infection. Other causes of fever include inflammatory illness, drug reactions, or tumor growth. Sometimes, the cause may not be known. In an infection, the fever is a result of the body “heating up” to try to fight invading germs. A fever is an important natural defense against germs.

People getting chemo are more likely to have infections because they have lower numbers of the white blood cells needed to fight them. (See the section called “Blood counts.”) You can buy an easy-to-use, oral thermometer (one made to take your temperature by mouth) at any drugstore so you can check to see if you have a fever.

What to look for

  • Increased skin temperature
  • Feeling warm
  • Feeling tired
  • Headache
  • Feeling cold
  • Shaking chills
  • Body aches
  • Skin rashes
  • Any new area of redness or swelling
  • Pus or yellowish discharge from an injury or other location
  • New cough or shortness of breath
  • New belly pain
  • Burning or pain when urinating
  • Sore throat
  • The patient is confused, becomes forgetful, isn’t making sense, or can’t tell you where they are. (See the section called “Confusion.”)

What the patient can do

  • If you start feeling warm or cold, check your temperature by mouth every 2 to 3 hours. If you can’t hold a thermometer in your mouth, put it under your armpit.
  • Keep a record of temperature readings.
  • Drink a lot of liquids (such as water, fruit juices, cola, Popsicles, and soups).
  • Get enough rest.
  • Cover yourself with a blanket if you feel cold.
  • Cover yourself only with a sheet if you feel hot.
  • Use a cold compress on your forehead if you feel hot.
  • Take acetaminophen (Tylenol) or other medicines for fever only if your doctor tells you to do so.

What caregivers can do

  • Watch for shaking chills, and check the patient’s temperature after the shaking stops.
  • Check the patient’s temperature by placing the thermometer in the mouth or under their armpit. (Do not take the temperature rectally unless the doctor tells you it’s OK.)
  • Offer extra fluids and snacks.
  • Help the patient take medicines on schedule.
  • Call the doctor if the patient is confused, doesn’t know where they are, becomes forgetful, or isn’t making sense. (See the section called “Confusion.”)
  • To help prevent fevers and infections, encourage visitors who have a fever, diarrhea, a cough, or the flu to visit the patient only by phone until they are well again.

Call the doctor if the patient:

  • Has a temperature of 100.5° F or higher when taken by mouth
  • Has 2 or more of the symptoms listed under the “What to look for” section
  • Has a fever that lasts more than 24 hours (or goes away and comes back over 24 hours)
  • Has shaking chills
  • Cannot take fluids

Last Medical Review: 11/05/2013
Last Revised: 11/05/2013