Treatment FAQ

why does cancer treatment make you week

by Mr. Abel Lueilwitz DVM Published 3 years ago Updated 2 years ago
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Your Treatment: Most cancer treatments, including radiation, chemotherapy, immunotherapy, bone marrow transplants, and surgery, often result in fatigue. That’s because while these therapies are intended to kill cancer cells, they can cause damage to the body in the process. You will likely feel fatigued as your body repairs this damage.

You may experience fatigue if cancer treatment damages healthy cells in addition to the cancer cells. Or fatigue might happen as your body works to repair damage caused by treatment. Some treatment side effects — such as anemia, nausea, vomiting, pain, insomnia and changes in mood — also may cause fatigue.

Full Answer

Is fatigue a side effect of cancer treatment?

Credit: National Cancer Institute. Fatigue is a common side effect of many cancer treatments, including chemotherapy, immunotherapy, radiation therapy, bone marrow transplant, and surgery. Conditions such as anemia, as well as pain, medications, and emotions, can also cause or worsen fatigue.

What do you need to know about cancer treatment?

The type of treatment that will be given, such as radiation therapy, chemotherapy, targeted therapy, immunotherapy, hormone therapy, etc. How treatment will be given, such as how radiation will be delivered, or if a treatment drug will be given by mouth, injection, or infusion.

What are late effects of cancer treatment?

Late effects are side effects of cancer treatment that become apparent after your treatment has ended. Cancer survivors might experience late effects of cancer treatment years later. What cancer treatments cause late effects?

How can I increase my energy level after cancer treatment?

Taking short walks and getting light exercise can actually increase most people’s energy level. Fatigue is a common side effect of many cancer treatments, including chemotherapy, immunotherapy, radiation therapy, bone marrow transplant, and surgery.

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How long does fatigue last after cancer treatment?

Cancer fatigue usually lasts from 3-4 weeks after treatment stops, but can continue for up to 2-3 months.

Why does cancer make you so tired?

Red blood cells contain hemoglobin and carry oxygen to and from organs and tissues throughout the body, providing energy and removing waste from cells. Cancer may cause a reduction in the production of red blood cells, resulting in anemia, which causes fatigue.

Why does chemo make you so tired?

Cancer treatments, specifically chemotherapy, can decrease the number of red blood cells, causing anemia. Red blood cells deliver oxygen throughout the body, so when tissues don't get enough oxygen, you can feel fatigue.

What are 3 side effects of cancer treatments?

Side Effects of Cancer TreatmentAnemia.Appetite Loss.Bleeding and Bruising (Thrombocytopenia)Constipation.Delirium.Diarrhea.Edema (Swelling)Fatigue.More items...

Is it normal for someone with cancer to sleep a lot?

It's very common. Between 80% and 100% of people with cancer report having fatigue. The fatigue felt by people with cancer is different from the fatigue of daily life and different from the tired feeling people might remember having before they had cancer.

How much sleep does a cancer patient need?

During cancer treatment, the need for sleep may increase some, as the body repairs itself. Most people need from 7-9 hours of sleep.

When are chemo side effects the worst?

Blood cell counts often reach their lowest level about 7 to 14 days after chemotherapy. Low blood cell counts is the most common and most serious side effect of chemotherapy. When it happens, the dose of chemotherapy is adjusted right away or chemotherapy may have to be stopped temporarily.

Do chemo patients sleep a lot?

Nearly everyone who has chemotherapy has some tiredness. It can be due to the direct effect of chemotherapy on the body. But anaemia may also cause tiredness. This is because chemotherapy can stop your bone marrow from making red blood cells for a while.

How many days after chemo do you start feeling better?

Most people say it takes 6 to 12 months after they finish chemotherapy before they truly feel like themselves again.

What is the most common side effect of cancer treatment?

Some of the most common side effects of cancer and its treatment include pain and fatigue, anemia, mouth problems, nausea/weight change/dietary issues, and hair, skin and nail problems. Pain. The term “pain” describes a broad category of types of symptoms and it is common to all cancers and cancer treatments.

How long do cancer patients live after treatment?

Cancer statistics often use an overall five-year survival rate. Survival rates are usually given in percentages. For instance, the overall five-year survival rate for bladder cancer is 77 percent. That means that of all people who have bladder cancer, 77 of every 100 are living five years after diagnosis.

Is radiation worse than chemo?

The radiation beams change the DNA makeup of the tumor, causing it to shrink or die. This type of cancer treatment has fewer side effects than chemotherapy since it only targets one area of the body.

When to Contact Your Doctor

Some fatigue during cancer treatment is to be expected. But if you find that cancer fatigue is persistent, lasting weeks, and interferes with your...

Coping Strategies: Medical Treatments and Self-Care

Because cancer-related fatigue may be caused by many factors, your doctor may suggest more than one method to reduce and cope with your symptoms. T...

Speak Up About Your Fatigue

Don't assume the fatigue you're experiencing is just part of the cancer experience. If it's frustrating you or affecting your ability to go about y...

What Are Late Effects of Cancer Treatment?

Late effects are side effects of cancer treatment that become apparent after your treatment has ended. Cancer survivors might experience late effec...

What Cancer Treatments Cause Late Effects?

Late effects of cancer treatment can come from any of the main types of cancer treatment: chemotherapy, hormone therapy, radiation, surgery, target...

What Late Effects Might People Who Were Treated For Childhood Cancers Experience?

If you underwent cancer treatment as a child, you may be at risk of many of the same late side effects of treatment as people who were adults durin...

What Signs and Symptoms Might Signal That You're Experiencing Late Effects of Cancer Treatment?

Talk to your doctor about the late effects of your particular treatment. In some cases, your doctor will know what effects are at risk to you. But...

What Can You Do to Prevent Late Effects of Cancer Treatment?

It isn't clear that late effects are preventable or why some people might experience late effects while others don't. While this can be frustrating...

What happens if you have cancer years ago?

Increased risk of other types of cancers. Nerve damage. If you were treated for cancer many years ago, you may assume any health problems you have are related to aging, not past cancer treatments. Tell your doctor what you know about your childhood cancer treatments.

What are the side effects of cancer treatment?

Childhood cancer survivors experience some of these late side effects: Heart problems, including an increased risk of heart attacks. Blood vessel problems, including an increased risk of stroke.

What to do if you have cancer and no longer seeing a doctor?

If you were treated for cancer many years ago or are no longer seeing a cancer specialist for checkups, talk to your primary care doctor about late effects . If you think you might be experiencing late effects or your doctor isn't sure what late effects to watch for, ask for a referral to a cancer specialist.

How to get stronger and healthier?

Exercising and eating a healthy diet with lots of fruits and vegetables can help make you stronger and healthier. Avoiding tobacco, excessive alcohol use and prolonged sun exposure also are very helpful. Oct. 06, 2020. Show references. Long-term side effects of cancer treatment.

Can cancer affect children?

If you underwent cancer treatment as a child, you may be at risk of many of the same late side effects of treatment as people who were adults during their cancer treatments. But you may also be at risk of additional late side effects. That's because children's bones, tissues and organs are growing rapidly during treatment, ...

Can chemotherapy cause infertility?

Different chemotherapy drugs cause different late effects. So if you didn't take the chemotherapy drugs that can cause infertility, then you aren't believed to be at risk of that particular late effect. Late effects of radiation and surgery will affect only the area of the body exposed to them.

Can radiation affect your body?

Late effects of radiation and surgery will affect only the area of the body exposed to them. So, for example, if you had radiation to a part of your body other than your head or neck, then you won't be at risk of cavities and tooth decay as a result of your radiation therapy.

How to increase your energy level?

Ask for help with important tasks such as making meals or driving. Eat and drink well. Meet with a registered dietitian to learn about foods and drinks that can increase your level of energy. Foods high in protein and calories will help you keep up your strength.

Does exercise increase energy?

Taking short walks and getting light exercise can actually increase most people’s energy level. Fatigue is a common side effect of many cancer treatments, including chemotherapy, immunotherapy, radiation therapy , bone marrow transplant, and surgery. Conditions such as anemia, as well as pain, medications, and emotions, ...

Does resting help with cancer?

Resting does not always help with cancer-related fatigue. Cancer-related fatigue is one of the most difficult side effects for many people to cope with. Tell your health care team if you feel extremely tired and are not able to do your normal activities or are very tired even after resting or sleeping. There are many causes of fatigue.

Is it normal to feel tired after radiation?

Most people getting radiation therapy feel fatigued. It does not mean that your cancer is getting worse. It does not mean that the treatment is not working. In fact, it is normal to feel very tired during this time. Listen to some tips that have helped others like you who are receiving radiation therapy.

Cancer Surgery

Surgery is often the first treatment to try for a majority of cancers, and many solid cancer tumors can be surgically removed. Surgery may be used to:

Chemotherapy

Chemotherapy is a type of cancer treatment that uses powerful medications to stop cancer cells from reproducing and from growing and spreading in the body. Chemotherapy can be used to completely cure cancer, make other treatments more effective, reduce the risk of cancer returning, or mitigate symptoms of cancer.

Radiation Therapy

Radiation therapy is a type of cancer treatment that uses high doses of radiation to kill cancer cells and shrink or slow tumor growth.

Comprehensive Cancer Care in Wooster, Ohio

We understand that being diagnosed with cancer can be a downright distressing time for you and your loved ones. Our cancer care team at Wooster Community Hospital is committed to providing you with the most advanced, personalized service available.

Why is blood count important for chemo?

Routine blood count monitoring is a crucial part of chemotherapy. That’s because the drugs can harm cells in the bone marrow, where red blood cells are produced. Without enough red blood cells to carry oxygen to tissues, you may experience anemia.

How long does it take for hair to grow after chemo?

Hair loss can occur anywhere on the body, from eyebrows and eyelashes to your legs. Hair loss is temporary. New hair growth usually begins several weeks after the final treatment.

What body systems are most affected by chemotherapy?

Chemotherapy drugs can affect any body system, but the following are most susceptible: digestive tract . hair follicles. bone marrow. mouth. reproductive system. It’s worth understanding how these cancer drugs can affect your major body systems.

Why do you need platelets for chemo?

They help prevent illnesses and fight infections. Symptoms aren’t always obvious, but you might find yourself getting sick more often than you used to. Be sure to take precautions to avoid exposure to viruses, bacteria, and other germs if you’re taking chemo. Cells called platelets help blood clot.

Does chemotherapy cause hot flashes?

Sexual and reproductive system. Chemotherapy drugs are known to alter hormones in both men and women. In women, hormonal changes can bring on hot flashes, irregular periods, or sudden onset of menopause. You may experience dryness of vaginal tissues that can make intercourse uncomfortable or painful.

Does chemo cause bone loss?

Most people lose some bone mass as they age, but with chemo, some drugs increase this loss by causing calcium levels to drop. Cancer-related osteoporosis tends to affect women more than men, especially post-menopausal women and those whose menopause was brought on suddenly due to chemotherapy.

Does chemotherapy affect digestion?

Some of the most common side effects of chemotherapy affect digestion. Dry mouth and mouth sores that form on the tongue, lips, gums, or in the throat can make it difficult to chew and swallow. Mouth sores also make you more susceptible to bleeding and infection.

Why do we need a cancer treatment plan?

A cancer treatment plan is kind of like a roadmap because it helps to lay out the expected path of treatment. It is a document that is created by the cancer care team and given to the patient and others that may need to know the planned course of care.

How is cancer treatment planned and scheduled?

How Treatment Is Planned and Scheduled. To plan and schedule cancer care and treatments, a lot of information must first be collected. This information often needs to be shared with different specialists , as well as with patients and their caregivers, to help decide what treatment option is best. Once a treatment is decided on, care can be ...

How important is communication in cancer care?

It can be a very involved process. Although treatment and care decisions are mostly made by patients and their cancer care teams, communication with others is very important. Sometimes, though, patients and caregivers might find themselves being the ones having to do most of the communicating.

What to do if you don't get a treatment plan?

If you don't get a written treatment plan, you can ask for a treatment schedule to be written out for you. A treatment schedule includes: The type of treatment that will be given, such as radiation therapy, chemotherapy, targeted therapy, immunotherapy, hormone therapy, etc.

What to do if your treatment center does not give you a treatment plan?

Even if your treatment center does not use treatment plans or does not give you one, you can ask for as much information in writing as possible. This will help you remember what's been told to you, which can be hard to do when you're given a lot of information at once. Either way, having things in writing is helpful.

What is treatment planning?

Treatment planning involves figuring out the exact doses of the treatment that will be given and how long it will last.

What tests are done to determine the stage of cancer?

Your exact cancer diagnosis and stage. Special test results, such as imaging (x-rays), blood tests, tumor marker tests, genetic testing, or biomarker tests done on the tumor. Your planned treatment, its doses, the schedule for getting it, and how long it is expected to be given.

How to get over cancer?

Friends and family are usually happy to help—allow them to do so. Get enough sleep. Getting a good night's rest is essential for everyone, not just people with cancer.

How to cope with cancer fatigue?

There are many things you can do to help cope with cancer fatigue: Ask for help and accept it when it is offered. Don't let pride get in the way of asking for help. Also, accept help when it is offered to you. Tasks like mowing the lawn, grocery shopping, and cleaning may be impossible when you are fatigued.

What are the side effects of radiation therapy?

Things like nausea, diarrhea, and hair loss usually catch a person's attention first because they seem to be the worst. While these are side effects that can be difficult to tolerate, ...

How do you know if you are tired after radiation?

Feeling tired or lethargic throughout the day . Exhaustion (this feeling lasts longer than being tired, is more intense and isn't relieved by rest). Reduced energy.

Does caffeine help with cancer?

They are loaded with sugar and caffeine, which may give you a boost, but not enough to last the day. Like other caffeinated beverages, they may increase fatigue after you come down from the caffeine/sugar rush. Exercise when you feel you can. Studies show that exercise can increase energy in people with cancer.

Can radiation cause fatigue?

The degree of fatigue generally varies depending on the amount of tissue irradiated, as well as the location. 2 . But radiation therapy may not be the sole culprit of fatigue: it can be a result of cancer itself or the mental stress associated with being a cancer patient. Certain medications, such as those to prevent and treat nausea, ...

One week from diagnosis to death!

I am writing this and I am not sure why. I think I am still shell shocked at the speed of what has happened. My mum had been feeling tired for a few months and the GP had put it down to her needing to increase her diabetes tablets which was done but made no difference.

Re: One week from diagnosis to death!

I am 31 & fighting kidney cancer, i was browsing through this site & came accross your message & my heart really does go out to you.

Re: One week from diagnosis to death!

just wanted to say how sorry I was for your loss of your mum..... sending heartfelt sympathy to you and your family.... Miz muppet x

Re: One week from diagnosis to death!

Hold on to all the good memories I know it's hard loosing someone you loved so dearly I lost my wife 3 weeks ago to this horrible illness called cancer after a two year battle and beleive me you done the right thing having her in the hospice.

Re: One week from diagnosis to death!

am so sory to here about the los of your mother it so sad i lost my mother 25 years ago and was young myself you never get over it your moher was your est frend aswell but take it a day at a ttime and your mom will allways be around you think of the good times you shared and that will help get you through talk about her try not to keep it in i now it early days and it so hard but things will get a bit beer and i pray that you be ok i have cancer of long and now what you going through my daughters are woried sick and upsets me if i think i wont be with them it is a bad illnea and i truly hope things get beter for you it is good you can come on this page and talk about it your mom will allways be with you even if it is in spiret it not the end i talk to my mom and ask her to help me with this horible illnes and hope she can here me i am sure she can so try and take it one day at a time and things will get beter i will be thinging of you all my lv jackiex.

Re: One week from diagnosis to death!

I'm very very very sorry to hear about your loss. Try and keep your head up high...and don't forget its alright to cry if you need to - tears somehow mean more than words. Best Wishes.

Re: One week from diagnosis to death!

I am so sorry for your loss, but please belive that your mum will never leave you, it is strange but some how you think what would mum do in this or that situation.

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