Flu Symptoms Caused by Cancer Treatments


Flu Symptoms Caused by Cancer Treatments

Cancer patient using a thermometer to check his temperature.

Learn about flu-like symptoms you may have during treatment for cancer. Know when to call your doctor or seek urgent medical care.

Credit: iStock

Flu-like symptoms (also called flu-like syndrome) are a group of related side effects that may be caused by cancer treatments, such as chemotherapy and immunotherapy. If flu-like symptoms are severe, you may be advised to seek immediate medical attention. Some people who receive higher doses of treatment, or more than one treatment at a time, may have more severe flu-like symptoms.

Talk with your doctor so you know what flu-like symptoms to expect, based on your cancer treatment.

Ask Your Health Care Team about Flu-Like Symptoms

  • What signs and symptoms might I have, based on the type of cancer treatment I am receiving?
  • Which flu-like symptoms should I call you about? Which can be managed at home?

Make note of flu-like symptoms you should call your health care team about:

Ways to manage flu-like symptoms during cancer treatment

Keep in mind that when these symptoms occur in people receiving immunotherapy they may be diagnosed, managed, and treated differently than when they are caused by other cancer treatments.

When your doctor recommends self care, here are steps you can take to feel better:

  • Appetite loss: Drink water and other fluids advised by your health care team to stay hydrated. Drinking fluids is especially important if you are not eating much. It may be easier to eat small meals, and to eat more often. Choose foods that are high in calories and protein to give your body strength. Learn more about how to manage appetite loss.
  • Chills: Chills are your body’s way of increasing your temperature. Ask your health care team what steps you should take if you have chills. Your health care team may advise you not to pile on blankets, since this can cause your temperature to rise even higher. When chills are severe, doctors may prescribe medicine.
  • Diarrhea: Drink plenty of water to replace fluids you lose when you have diarrhea. Water and other fluids will help prevent dehydration, which may cause you to feel weak, dizzy, and disoriented. Your doctor may prescribe an over-the-counter diarrhea medicine. If you are receiving immunotherapy, diagnostic tests may be advised to rule out gastritis, a more serious medical condition. Learn more about how to manage diarrhea.
  • Fatigue: Balance periods of rest with periods of activity. Choose the time of the day when you have the most energy to do an activity or to exercise. Regular exercise can help you to keep up your strength and stamina during treatment. Learn more about how to manage fatigue.
  • Fever: Your body loses fluids when you have a fever, so it’s important to drink water to prevent dehydration. You may want to rest and put an ice pack on your forehead. Sometimes taking medicine to lower a fever can mask a more serious problem. For this reason, you may be advised to call your doctor before taking medicine to lower a fever.
  • Headache and/or body aches: Use ice packs or place a cold washcloth on your forehead to get relief. If advised by your doctor, take over-the-counter pain relievers such as acetaminophen, ibuprofen, or aspirin.
  • Nausea and vomiting: Try to take small sips of water, fruit juices, ginger ale, tea, and/or sports drinks, if recommended, throughout the day. Learn more about how to manage nausea and vomiting.

If these symptoms last or become severe, your doctor may advise diagnostic tests to identify what is causing these problems and determine how best to treat them.

Talking with your health care team about flu-like symptoms

Prepare for your visit by making a list of questions to ask. Consider adding these questions to your list:

  • What flu-like symptoms are common for the type of treatment I’m receiving?
  • What problems should I call you about? Are there any symptoms that need urgent medical care?
  • When might these symptoms start? How long might they last?
  • Should I keep track of any symptoms?
  • How much fluid should I drink every day? What types of fluids are best for me to drink?
  • Are there medicines I should take to feel better? Are there medicines I should avoid or call you before taking?
  • How often should I check my temperature?

Hair Loss (Alopecia) and Cancer Treatment


Hair Loss (Alopecia) and Cancer Treatment

Woman with hair loss wearing a fashionable scarf to cover her head.

If treatment will cause hair loss, try wearing fun scarves and earrings—or a cap, from time to time.

Credit: National Cancer Institute

Some types of chemotherapy cause the hair on your head and other parts of your body to fall out. Radiation therapy can also cause hair loss on the part of the body that is being treated. Hair loss is called alopecia. Talk with your health care team to learn if the cancer treatment you will be receiving causes hair loss. Your doctor or nurse will share strategies that have helped others, including those listed below.

Ways to manage hair loss

Talk with your health care team about ways to manage before and after hair loss:

  • Treat your hair gently. You may want to use a hairbrush with soft bristles or a wide-tooth comb. Do not use hair dryers, irons, or products such as gels or clips that may hurt your scalp. Wash your hair with a mild shampoo. Wash it less often and be very gentle. Pat it dry with a soft towel.
  • You have choices. Some people choose to cut their hair short to make it easier to deal with when it starts to fall out. Others choose to shave their head. If you choose to shave your head, use an electric shaver so you won’t cut yourself. If you plan to buy a wig, get one while you still have hair so you can match it to the color of your hair. If you find wigs to be itchy and hot, try wearing a comfortable scarf or turban.
  • Protect and care for your scalp. Use sunscreen or wear a hat when you are outside. Choose a comfortable scarf or hat that you enjoy and that keeps your head warm. If your scalp itches or feels tender, using lotions and conditioners can help it feel better.
  • Talk about your feelings. Many people feel angry, depressed, or embarrassed about hair loss. It can help to share these feelings with someone who understands. Some people find it helpful to talk with other people who have lost their hair during cancer treatment. Talking openly and honestly with your children and close family members can also help you all. Tell them that you expect to lose your hair during treatment.

Ways to care for your hair when it grows back

  • Be gentle. When your hair starts to grow back, you will want to be gentle with it. Avoid too much brushing, curling, and blow-drying. You may not want to wash your hair as frequently.
  • After chemotherapy. Hair often grows back in 2 to 3 months after treatment has ended. Your hair will be very fine when it starts to grow back. Sometimes your new hair can be curlier or straighter—or even a different color. In time, it may go back to how it was before treatment.
  • After radiation therapy. Hair often grows back in 3 to 6 months after treatment has ended. If you received a very high dose of radiation your hair may grow back thinner or not at all on the part of your body that received radiation.

Talking with your health care team about hair loss

Prepare for your visit by making a list of questions to ask. Consider adding these questions to your list:

  • Is treatment likely to cause my hair to fall out?
  • How should I protect and care for my head? Are there products that you recommend? Ones I should avoid?
  • Where can I get a wig or hairpiece?
  • What support groups could I meet with that might help?
  • When will my hair grow back?

 

Listen to tips on how to manage hair loss caused by cancer treatments such as radiation therapy.
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Edema (Swelling) and Cancer Treatment


Edema (Swelling) and Cancer Treatment

A doctor explaining how to prevent edema to an older woman and her husband.

Certain exercises and diet changes can help, if edema is the cause of swelling. Your doctor may also prescribe medicine called a diuretic.

Credit: iStock

What is edema?

Edema, a condition in which fluid builds up in your body’s tissues, may be caused by some types of chemotherapy, certain cancers, and conditions not related to cancer.

What are signs of edema?

Signs of edema may include:

  • swelling in your feet, ankles, and legs
  • swelling in your hands and arms
  • swelling in your face or abdomen
  • skin that is puffy, shiny, or looks slightly dented after being pressed
  • shortness of breath, a cough, or irregular heartbeat

Tell your health care team if you notice swelling. Your doctor or nurse will determine what is causing your symptoms, advise you on steps to take, and may prescribe medicine.

Some problems related to edema are serious. Call your doctor or nurse if you feel short of breath, have a heartbeat that seems different or is not regular, have sudden swelling or swelling that is getting worse or is moving up your arms or legs, you gain weight quickly, or you don’t urinate at all or urinate only a little.

Ways to prevent or lessen edema

Steps you can take to prevent or lessen edema-related swelling include:

  • Get comfortable. Wear loose clothing and shoes that are not too tight. When you sit or lie down, raise your feet with a stool or pillows. Avoid crossing your legs when you sit. Talk with your health care team about wearing special stockings, sleeves, or gloves that help with circulation if your swelling is severe.
  • Exercise. Moving the part of your body with edema can help. Your doctor may give you specific exercises, including walking, to improve circulation. However, you may be advised not to stand or walk too much at one time.
  • Limit salt (sodium) in your diet. Avoid foods such as chips, bacon, ham, and canned soup. Check food labels for the sodium content. Don’t add salt or soy sauce to your food.
  • Take your medicine. If your doctor prescribes a medicine called a diuretic, take it exactly as instructed. The medicine will help move the extra fluid and salt out of your body.

Talking with your health care team about edema

Prepare for your visit by making a list of questions to ask. Consider adding these questions to your list:

  • Are my medications or treatment likely to increase my risk of developing edema?
  • Are there steps I can take to prevent edema?
  • What symptoms or problems should I call you about?
  • What steps can I take to feel better if I notice swelling?
  • Are there foods, drinks, or activities I should avoid?

Diarrhea: Cancer Treatment Side Effect


Diarrhea: Cancer Treatment Side Effect

A woman is drinking a full bottle full of water to stay hydrated

Drink plenty of fluids to prevent dehydration. It may also help to avoid certain foods, such as dairy products. Talk with your doctor to learn what medicine to take.

Credit: iStock

What is diarrhea?

Diarrhea means having bowel movements that are soft, loose, or watery more often than normal. If diarrhea is severe or lasts a long time, the body does not absorb enough water and nutrients. This can cause you to become dehydrated or malnourished.

What causes diarrhea?

Cancer treatments, or the cancer itself, may cause diarrhea or make it worse. Some medicines, infections, and stress can also cause diarrhea. Tell your health care team if you have diarrhea.

What are the dangers of diarrhea?

Diarrhea that leads to dehydration (the loss of too much fluid from the body) and low levels of salt and potassium (important minerals needed by the body) can be life threatening. Call your health care team if you feel dizzy or lightheaded, have dark yellow urine or are not urinating, or have a fever of 100.5 °F (38 °C) or higher.

Ways to manage diarrhea

You may be advised to take steps to prevent complications from diarrhea:

  • Drink plenty of fluid each day. Most people need to drink 8 to 12 cups of fluid each day. Ask your doctor or nurse how much fluid you should drink each day. For severe diarrhea, only clear liquids or IV (intravenous) fluids may be advised for a short period.
  • Eat small meals that are easy on your stomach. Eat six to eight small meals throughout the day, instead of three large meals. Foods high in potassium and sodium (minerals you lose when you have diarrhea) are good food choices, for most people. Limit or avoid foods and drinks that can make your diarrhea worse.
  • Check before taking medicine. Check with your doctor or nurse before taking medicine for diarrhea. Your doctor will prescribe the correct medicine for you.
  • Keep your anal area clean and dry. Try using warm water and wipes to stay clean. It may help to take warm, shallow baths. These are called sitz baths.

Questions to ask your health care team about diarrhea

Prepare for your visit by making a list of questions to ask. Consider adding these questions to your list:

  • What is causing the diarrhea?
  • What symptoms should I call you about?
  • How much liquid should I drink each day?
  • Can I speak to a registered dietitian to learn more about foods and drinks that are best for me?
  • What medicine or other steps can I take to prevent diarrhea and to decrease rectal pain?

NCI’s Gastrointestinal Complications PDQ® summary discusses GI problems common in cancer patients. For more information, see the section on diarrhea in the patient or health professional version.

Listen to tips on how to manage diarrhea caused by your cancer treatments such as radiation therapy.
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Delirium: Cancer Treatment Side Effect


Delirium: Cancer Treatment Side Effect

An older patient and family member meet with his doctor to get advice about delirium and confusion.

Talk with your loved one’s doctor to identify the causes of delirium and the best way to treat or manage it.

Credit: National Cancer Institute

What is delirium?

Delirium is a confused mental state that includes changes in awareness, thinking, judgment, sleeping patterns, as well as behavior. Although delirium can happen at the end of life, many episodes of delirium are caused by medicine or dehydration and are reversible.

The symptoms of delirium usually occur suddenly (within hours or days) over a short period of time and may come and go. Although delirium may be mistaken for depression or dementia, these conditions are different and have different treatments.

Different types of delirium and symptoms

The three main types of delirium include:

  • Hypoactive delirium: The patient seems sleepy, tired, or depressed.
  • Hyperactive delirium: The patient is restless, anxious, or suddenly agitated and uncooperative.
  • Mixed delirium: The patient changes back and forth between hypoactive delirium and hyperactive delirium.

Causes of delirium

Your health care team will work to find out what is causing delirium, so that it can be treated. Causes of delirium may include:

Early monitoring of someone with these risk factors for delirium may prevent it or allow it to be treated more quickly.

Changes caused by delirium can be upsetting for family members and dangerous to the person with cancer, especially if judgment is affected. People with delirium may be more likely to fall, unable to control their bladder and/or bowels, and more likely to become dehydrated. Their confused state may make it difficult to talk with others about their needs and make decisions about care. Family members may need to be more involved in decision-making.

Ways to treat delirium in people with cancer

Steps that can be taken to treat symptoms related to delirium include:

  • Treat the causes of delirium: If medicines are causing delirium, then reducing the dose or stopping them may treat delirium. If conditions such as dehydration, poor nutrition, and infections are causing the delirium, then treating these may help.
  • Control surroundings: If the symptoms of delirium are mild, it may help to keep the room quiet and well lit, with a clock or calendar and familiar possessions. Having family members around and keeping the same caregivers, as much as possible, may also help.
  • Consider medicines: Medicines are sometimes given to treat the symptoms of delirium. However, these medicines have serious side effects and patients receiving them require careful observation by a doctor.
  • Sometimes sedation may help: After discussion with family members, sedation is sometimes used for delirium at the end of life, if it does not get better with other treatments. The doctor will discuss the decisions involved in using sedation to treat delirium with the family.

Talking with your family member’s health care team

Prepare for the visit by making a list of questions to ask. Consider adding these questions to your list:

  • Is my family member at risk for delirium?
  • What is causing the delirium?
  • What problems should we call you about?
  • What treatments are advised for my family member?

Constipation: Cancer Treatment Side Effect


Constipation: Cancer Treatment Side Effect

Patient holding a medicine bottle and asking her doctor when to take it.

Eat high-fiber foods and drink plenty of fluids to prevent and treat constipation. Check with your doctor before taking medicine for constipation.

Credit: National Cancer Institute

What is constipation? 

Constipation is when you have infrequent bowel movements and stool that may be hard, dry, and difficult to pass. You may also have stomach cramps, bloating, and nausea when you are constipated.

Talking with your health care team about constipation

Prepare for your visit by making a list of questions to ask. Consider adding these questions to your list:

  • What problems should I call you about?
  • What information should I keep track of and share with you? (For example, you may be asked to keep track of your bowel movements, meals that you have, and exercise that you do each day.)
  • How much liquid should I drink each day?
  • What steps can I take to feel better?
  • Would you give me the name of a registered dietitian who can tell me about foods that might help?
  • Should I take medicine for constipation? If so, what medicine should I take? What medicine should I avoid?

What causes constipation? 

Cancer treatments such as chemotherapy can cause constipation. Certain medicines (such as pain medicines), changes in diet, not drinking enough fluids, and being less active may also cause constipation.

Ways to prevent or treat constipation

There are steps you can take to prevent constipation. It is easier to prevent constipation than to treat its complications which may include fecal impaction or bowel obstruction

Take these steps to prevent or treat constipation:

  • Eat high-fiber foods. Adding bran to foods such as cereals or smoothies is an easy way to get more fiber in your diet. Ask your health care team how many grams of fiber you should have each day. If you have had an intestinal obstruction or intestinal surgery, you should not eat a high-fiber diet. 
  • Drink plenty of liquids. Most people need to drink at least 8 cups of liquid each day. You may need more based on your treatment, medications you are taking, or other health factors. Drinking warm or hot liquids may also help.
  • Try to be active every day. Ask your health care team about exercises that you can do. Most people can do light exercise, even in a bed or chair. Other people choose to walk or ride an exercise bike for 15 to 30 minutes each day.
  • Learn about medicine. Use only medicines and treatments for constipation that are prescribed by your doctor, since some may lead to bleeding, infection, or other harmful side effects in people being treated for cancer. Keep a record of your bowel movements to share with your doctor or nurse.

Talking with your health care team about constipation

Prepare for your visit by making a list of questions to ask. Consider adding these questions to your list:

  • What problems should I call you about?
  • What information should I keep track of and share with you? (For example, you may be asked to keep track of your bowel movements, meals that you have, and exercise that you do each day.)
  • How much liquid should I drink each day?
  • What steps can I take to feel better?
  • Would you give me the name of a registered dietitian who can tell me about foods that might help?
  • Should I take medicine for constipation? If so, what medicine should I take? What medicine should I avoid?

NCI’s Gastrointestinal Complications PDQ® summary discusses constipation and other related complications. Learn more, including ways to manage these problems, in the patient or health professional version.

Bleeding and Bruising (Thrombocytopenia) and Cancer Treatment


Bleeding and Bruising (Thrombocytopenia) and Cancer Treatment

Doctor showing and explaining written information to a patient.

Some types of chemotherapy can make it easier for a person to bruise and bleed. Talk with your doctor to learn what signs to call about.

Credit: iStock

Some cancer treatments, such as chemotherapy and targeted therapy, can increase your risk of bleeding and bruising. These treatments can lower the number of platelets in the blood. Platelets are the cells that help your blood to clot and stop bleeding. When your platelet count is low, you may bruise or bleed a lot or very easily and have tiny purple or red spots on your skin. This condition is called thrombocytopenia. It is important to tell your doctor or nurse if you notice any of these changes.

Call your doctor or nurse if you have more serious problems, such as:

  • Bleeding that doesn’t stop after a few minutes; bleeding from your mouth, nose, or when you vomit; bleeding from your vagina when you are not having your period (menstruation); urine that is red or pink; stools that are black or bloody; or bleeding during your period that is heavier or lasts longer than normal.
  • Head or vision changes such as bad headaches or changes in how well you see, or if you feel confused or very sleepy.

Ways to manage bleeding and bruising

Steps to take if you are at increased risk of bleeding and bruising:

  • Avoid certain medicines. Many over-the-counter medicines contain aspirin or ibuprofen, which can increase your risk of bleeding. When in doubt, be sure to check the label. Get a list of medicines and products from your health care team that you should avoid taking. You may also be advised to limit or avoid alcohol if your platelet count is low.
  • Take extra care to prevent bleeding. Brush your teeth gently, with a very soft toothbrush. Wear shoes, even when you are inside. Be extra careful when using sharp objects. Use an electric shaver, not a razor. Use lotion and a lip balm to prevent dry, chapped skin and lips. Tell your doctor or nurse if you are constipated or notice bleeding from your rectum.
  • Care for bleeding or bruising. If you start to bleed, press down firmly on the area with a clean cloth. Keep pressing until the bleeding stops. If you bruise, put ice on the area.

Talking with your health care team about bleeding and bruising

Prepare for your visit by making a list of questions to ask. Consider adding these questions to your list:

  • What steps can I take to prevent bleeding or bruising?
  • How long should I wait for the bleeding to stop before I call you or go the emergency room?
  • Do I need to limit or avoid things that could increase my risk of bleeding, such as alcohol or sexual activity?
  • What medicines, vitamins, or herbs should I avoid? Could I get a list from you of medicines to avoid?

Appetite Loss and Cancer Treatment


Appetite Loss and Cancer Treatment

Woman making a simple and nutritious smoothie using fruit.

People being treated for cancer often don’t feel hungry. Sometimes, preparing food in new ways—such as making a smoothie—can make it easier to eat.

Credit: iStock

Cancer treatments may lower your appetite or change the way food tastes or smells. Side effects such as mouth and throat problems, or nausea and vomiting can also make eating difficult. Cancer-related fatigue can also lower your appetite.

Talk with your health care team if you are not hungry or if you find it difficult to eat. Don’t wait until you feel weak, have lost too much weight, or are dehydrated, to talk with your doctor or nurse. It’s important to eat well, especially during treatment for cancer.

Ways to manage appetite loss

Take these steps to get the nutrition you need to stay strong during treatment:

  • Drink plenty of liquids. Drinking plenty of liquids is important, especially if you have less of an appetite. Losing fluid can lead to dehydration, a dangerous condition. You may become weak or dizzy and have dark yellow urine if you are not drinking enough liquids.
  • Choose healthy and high-nutrient foods. Eat a little, even if you are not hungry. It may help to have five or six small meals throughout the day instead of three large meals. Most people need to eat a variety of nutrient-dense foods that are high in protein and calories. Learn ways to add calories and protein to your diet in our Eating Hints booklet.
  • Be active. Being active can actually increase your appetite. Your appetite may increase when you take a short walk each day.

Talking with your health care team about appetite loss

Prepare for your visit by making a list of questions to ask. Consider adding these questions to your list:

  • What symptoms or problems should I call you about?
  • What steps can I take to feel better?
  • What food and drink choices are best for me?
  • Do you recommend supplemental nutrition drinks for me?
  • Are there vitamins and supplements that I should avoid? Are there any I should take?
  • Would you recommend a registered dietitian who could also help me?

NCI’s Nutrition in Cancer Care PDQ® summary has more information on the causes and management of nutritional problems that occur in cancer patients. View the patient or health professional version.

Anemia: Cancer Treatment Side Effect


Anemia: Cancer Treatment Side Effect

Doctor reassuring her patient who looks very tired.

Tell your doctor if you are extremely tired or have other signs of anemia. There are treatments that may help.

Credit: iStock

What is anemia?

Anemia is a condition in which the number of red blood cells is below normal. 

What are signs of anemia?

Anemia can make you feel very tired, short of breath, and lightheaded. Signs of anemia may also include feeling dizzy or faint, headaches, a fast heartbeat, and/or pale skin.

What causes anemia in people with cancer?

Cancer treatments, such as chemotherapy and radiation therapy, as well as cancers that affect the bone marrow, can cause anemia. When you are anemic, your body does not have enough red blood cells. Red blood cells are the cells that that carry oxygen from the lungs throughout your body to help it work properly.

You will have blood tests to check for anemia. Treatment for anemia is also based on your symptoms and on what is causing the anemia.

Ways to manage anemia

Here are some steps you can take if you have fatigue caused by anemia:

  • Save your energy and ask for help. Choose the most important things to do each day. When people offer to help, let them do so. They can take you to the doctor, make meals, or do other things you are too tired to do.
  • Balance rest with activity. Take short naps during the day, but keep in mind that too much bed rest can make you feel weak. You may feel better if you take short walks or exercise a little every day.
  • Eat and drink well. Talk with your doctor, nurse, or a registered dietitian to learn what foods and drinks are best for you. You may need to eat foods that are high in protein or iron.

Questions to ask your health care team about anemia

Prepare for your visit by making a list of questions to ask. Consider adding these questions to your list:

  • What is causing the anemia?
  • What problems should I call you about?
  • What steps can I take to feel better?
  • Would medicine, iron pills, a blood transfusion, or other treatments help me?
  • Would you give me the name of a registered dietitian who could also give me advice?

 

Listen to tips on how to manage fatigue from cancer treatments such as radiation therapy.
(Type: MP3 | Time: 2:50 | Size: 2.7MB)