Treatment FAQ

why does radiation treatment often make people sick

by Pierce Hilpert Published 3 years ago Updated 2 years ago
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Radiation damages your stomach and intestines, blood vessels, and bone marrow, which makes blood cells. Damage to bone marrow lowers the number of disease-fighting white blood cells in your body. As a result, most people who die from radiation sickness are killed by infections or internal bleeding.

Most people start to feel tired after a few weeks of radiation therapy. This happens because radiation treatments destroy some healthy cells as well as the cancer cells. Fatigue usually gets worse as treatment goes on. Stress from being sick and daily trips for treatment can make fatigue worse.Dec 10, 2020

Full Answer

How long does it take to recover from radiation treatment?

The general effects of radiation therapy like fatigue, nausea, and headaches resolve fairly quickly after treatment. Your body just needs time to process the radiation but can recover within a few weeks. Delayed side effects of radiation therapy, on the other hand, may require further treatment to alleviate.

What are the long - term effects of radiation treatment?

  • your skin might look darker than it was before in the treated area – as if it is suntanned
  • your skin in the treatment area will always be slightly more sensitive to the sun
  • your skin might feel different to touch
  • your hair might grow back a different colour or texture in the treatment area
  • you might have permanent hair loss within the treated area

More items...

What are the negative effects of radiation therapy?

  • Diarrhea
  • Hair loss in the treatment area
  • Mouth changes such as soreness, dryness and difficulty swallowing (if radiation to head and neck area)
  • Nausea and vomiting
  • Sexual impact (tenderness and soreness of genital organs if radiation to this area)
  • Blood count changes

What to expect during and after radiation treatments?

  • Radiation cystitis. If the radiation damages the lining of the bladder, radiation cystitis can be a long-term problem that causes blood in the urine or pain when passing urine.
  • Urinary incontinence. ...
  • Fistulas. ...

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Why do people get sick from radiation?

Radiation sickness occurs when high-energy radiation damages or destroys certain cells in your body. Regions of the body most vulnerable to high-energy radiation are cells in the lining of your intestinal tract, including your stomach, and the blood cell-producing cells of bone marrow.

Does radiation treatment make people sick?

Nausea and vomiting can occur after radiation therapy to the stomach, small intestine, colon or parts of the brain. Your risk for nausea and vomiting depends on how much radiation you are getting, how much of your body is in the treatment area, and whether you are also having chemotherapy.

What are the most common side effects of radiation therapy?

Treatment areas and possible side effectsPart of the body being treatedPossible side effectsBrainFatigue Hair loss Memory or concentration problems Nausea and vomiting Skin changes Headache Blurry visionBreastFatigue Hair loss Skin changes Swelling (edema) Tenderness5 more rows•Jan 11, 2022

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.

What does radiation fatigue feel like?

Feeling very tired and lacking energy (fatigue) for day-to-day activities is the most common side effect of radiation therapy to any area of the body. During treatment, your body uses a lot of energy dealing with the effects of radiation on normal cells.

What are 5 harmful effects of radiation?

Here are a few common health effects or harmful effects of radiation on the human body.Hair. Loss of hair fall occurs when exposure to radiation is higher than 200 rems.Heart and Brain. Intense exposure to radiation from 1000 to 5000 rems will affect the functioning of the heart. ... Thyroid. ... Blood System. ... Reproductive Tract.

How do you get rid of nausea from radiation?

Have a bland snack, (e.g. toast and apple juice) before each session. Try food and drinks with ginger or peppermint to help reduce nausea. Sip on water and other fluids throughout the day to prevent dehydration. Eat dry biscuits, crackers or toast.

What is the success rate of radiation therapy?

“In fact, based on the literature reviewed, it appears that external-beam radiation therapy is a superior treatment in some cases. “When patients are treated with modern external-beam radiation therapy, the overall cure rate was 93.3% with a metastasis-free survival rate at 5 years of 96.9%.

How do you feel after radiation treatment?

The most common early side effects are fatigue (feeling tired) and skin changes. Other early side effects usually are related to the area being treated, such as hair loss and mouth problems when radiation treatment is given to this area. Late side effects can take months or even years to develop.

How long does it take to recover from radiation therapy?

Most side effects generally go away within a few weeks to 2 months of finishing treatment. But some side effects may continue after treatment is over because it takes time for healthy cells to recover from the effects of radiation therapy. Late side effects can happen months or years after treatment.

How long after radiation do you start to feel better?

Radiation therapy is associated with harsh side effects, many of which don't emerge until months or years after treatment. Acute side effects occur and disappear within 14 days of treatment, but long-term effects like bone degeneration, skin ulcers, and bladder irritation take much longer to manifest.

What should you avoid during radiation?

Avoid raw vegetables and fruits, and other hard, dry foods such as chips or pretzels. It's also best to avoid salty, spicy or acidic foods if you are experiencing these symptoms. Your care team can recommend nutrient-based oral care solutions if you are experiencing mucositis or mouth sores caused by cancer treatment.

If You’Re Getting Radiation Therapy to The Brain

People with brain tumors often get stereotactic radiosurgery (radiation given in one large dose) if the cancer is in only one or a few sites in the...

If You’Re Getting Radiation Therapy to The Head Or Neck

People who get radiation to the head and neck might have side effects such as: 1. Soreness (or even open sores) in the mouth or throat 2. Dry mouth...

If You’Re Getting Radiation Therapy to The Breast

If you have radiation to the breast, it can affect your heart or lungs as well causing other side effects.

If You’Re Getting Radiation Therapy to The Chest

Radiation treatment to the chest may cause side effects such as: 1. Sore throat 2. Swallowing problems 3. Loss of appetite 4. Cough 5. Shortness of...

If You’Re Getting Radiation Therapy to The Abdomen (Belly)

If you are getting radiation to your stomach or some part of the abdomen (belly), you may have side effects such as: 1. Nausea 2. Vomiting 3. Belly...

If You’Re Having Radiation Therapy to The Pelvis

Radiation therapy to the pelvis (for example, as treatment for bladder, ovarian, or prostate cancer) can cause side effects such as: 1. Bladder pro...

What is radiation sickness?

Overview. Radiation sickness is damage to your body caused by a large dose of radiation often received over a short period of time (acute). The amount of radiation absorbed by the body — the absorbed dose — determines how sick you'll be. Radiation sickness is also called acute radiation syndrome or radiation poisoning.

How long does it take to get radiation symptoms?

If you've had a mild exposure, it may take hours to weeks before any signs and symptoms begin. But with severe exposure, signs and symptoms can begin minutes ...

What to do in a radiation emergency?

In the event of a radiation emergency, stay tuned to your radio or television to hear what protective actions local, state and federal authorities recommend. Recommended actions will depend on the situation, but you will be told to either stay in place or evacuate your area.

What to do if you are overexposed to radiation?

If you know you've been overexposed to radiation, seek emergency medical care.

What is the most sensitive tissue to radiation?

The severity of radiation sickness also depends on how sensitive the affected tissue is. For instance, the gastrointestinal system and bone marrow are highly sensitive to radiation.

What are the sources of high dose radiation?

Possible sources of high-dose radiation include the following: An accident at a nuclear industrial facility. An attack on a nuclear industrial facility. Detonation of a small radioactive device. Detonation of a conventional explosive device that disperses radioactive material (dirty bomb)

How long does it take for a person to feel a symtom after exposure?

But with severe exposure, signs and symptoms can begin minutes to days after exposure. Possible symptoms include: Nausea and vomiting. Diarrhea. Headache. Fever. Dizziness and disorientation. Weakness and fatigue. Hair loss.

What are the side effects of radiation therapy?

Head and neck. Radiation therapy aimed at a person’s head or neck may cause these side effects: Dry mouth. Mouth and gum sores.

Why do people use radiation therapy?

High doses of radiation therapy are used to destroy cancer cells. Side effects come from damage to healthy cells and tissues near the treatment area. There have been major research advances in radiation therapy in recent years that have made it more precise.

How long do side effects of radiation last?

Other people experience more severe side effects. Reactions to the radiation therapy often start during the second or third week of treatment. Or, they may last for several weeks after the final treatment. Some side effects may be long term.

How long does it take for a radiation reaction to show up?

Typically, these side effects start within days or weeks of radiation therapy. But they can also appear months or years later. Doctors treat radiation recall with medications called corticosteroids.

What is radiation recall?

Radiation recall is a rash that looks like a severe sunburn. It is rare and happens when certain types of chemotherapy are given during or soon after external-beam radiation therapy. The rash appears on the part of the body that received radiation.

What is the best way to treat cancer side effects?

Preventing and treating side effects is an important part of your overall cancer treatment. This is called palliative care or supportive care. Before treatment begins, ask what side effects are likely from the specific type of treatment you are receiving and when they may happen.

Does radiation cause hair loss?

Radiation therapy is called a local treatment. This means that it only affects the area of the body that is targeted. For example, radiation therapy to the scalp may cause hair loss. But people who have radiation therapy to other parts of their body do not usually lose the hair on their head.

What happens to the body after radiation?

These problems happen when radiation damages your body. For example, scar tissue can affect the way your lungs or your heart works. Bladder, bowel, fertility, and sexual problems can start after radiation to your belly or pelvis. Another possible late effect is a second cancer.

How does radiation kill cancer?

Radioembolization. Cancer Caused by Radiation Therapy. Radiation therapy treats cancer by using high-energy waves to kill tumor cells. The goal is to destroy or damage the cancer without hurting too many healthy cells. This treatment can cause side effects, but they’re different for everyone. The ones you have depend on the type ...

How long after radiation therapy does skin feel better?

Don't use any tape, gauze, or bandages on your skin unless the doctor tells you to. Your skin should start to feel better a few weeks after therapy ends. But when it heals, it may be a darker color. And you’ll still need to protect yourself from the sun even after radiation therapy has ended.

How long do radiation side effects last?

There are two kinds of radiation side effects: early and late. Early side effects, such as nausea and fatigue, usually don’t last long. They may start during or right after treatment and last for several weeks after it ends, but then they get better.

How does radiation affect skin?

It may look red, sunburned, or tanned. It may also get swollen or blistered. Your skin may also become dry, flaky, or itchy. Or it may start to peel.

How long does it take for radiation to show up?

Late side effects, such as lung or heart problems, may take years to show up and are often permanent when they do. The most common early side effects are fatigue and skin problems. You might get others, such as hair loss and nausea, depending on where you get radiation.

How to get rid of fatigue from cancer?

Get plenty of rest, be as active as you can, and eat the right foods. Work with a counselor or take a class at your cancer treatment center to learn ways to conserve energy, reduce stress, and keep yourself from focusing on the fatigue. Save your energy for the activities that are most important to you.

What is radiation sickness?

Radiation sickness happens when a large dose of high-energy radiation goes through your body and reaches your internal organs. It takes far more than what you might get from any medical treatment to cause it. Doctors named the illness, which is technically known as acute radiation syndrome, after the atomic bombings that ended World War II.

How many people died from radiation sickness?

It's not clear how many of the 150,000 to 250,000 people killed in those attacks died from radiation sickness. But estimates at the time put the number in the hundreds or thousands.

How much radiation did the workers get from Chernobyl?

The workers who got radiation sickness at Chernobyl received doses that measured 700 mSv to 13 Sv. Natural radiation is everywhere -- in the air, the water, and materials like brick or granite. You typically get only about 3 mSv -- three one-thousandths of a sievert -- of radiation from these natural sources in a year.

How much radiation is fatal?

Symptoms of radiation sickness show up when you're exposed to levels of more than 500 millisieverts (mSv), or half a sievert. More than 4 to 5 Sv is likely to be fatal. The workers who got radiation sickness at Chernobyl received doses that measured 700 mSv to 13 Sv.

How long does radiation sickness take to heal?

Or they may try a transplant. They also will give you fluids and treat other injuries like burns. Recovery from radiation sickness can take up to 2 years. But you'll still be at risk of other health problems after recovery.

Can radiation cause hair loss?

Radiation may also damage the cells that make hair, causing your hair to fall out. In some cases, hair loss might be permanent. The symptoms can go away entirely for anywhere from a few hours to weeks. But if they come back, they're often worse. Treatment.

Does radiation damage your intestines?

But if they come back, they're often worse. Treatment. Radiation damages your stomach and intestines, blood vessels, and bone marrow, which makes blood cells. Damage to bone marrow lowers the number of disease-fighting white blood cells in your body.

Why do people with cancer need radiation?

Why People with Cancer Receive Radiation Therapy. Radiation therapy is used to treat cancer and ease cancer symptoms . When used to treat cancer, radiation therapy can cure cancer, prevent it from returning, or stop or slow its growth. When treatments are used to ease symptoms, they are known as palliative treatments.

How does radiation help cancer?

When radiation is combined with surgery, it can be given: 1 Before surgery, to shrink the size of the cancer so it can be removed by surgery and be less likely to return. 2 During surgery, so that it goes straight to the cancer without passing through the skin. Radiation therapy used this way is called intraoperative radiation. With this technique, doctors can more easily protect nearby normal tissues from radiation. 3 After surgery to kill any cancer cells that remain.

What is intraoperative radiation therapy?

During surgery, so that it goes straight to the cancer without passing through the skin. Radiation therapy used this way is called intraoperative radiation.

What is the best radiation treatment for thyroid cancer?

A systemic radiation therapy called radioactive iodine, or I-131, is most often used to treat certain types of thyroid cancer.

What is external beam radiation therapy?

External Beam Radiation Therapy. External beam radiation therapy comes from a machine that aims radiation at your cancer. The machine is large and may be noisy. It does not touch you, but can move around you, sending radiation to a part of your body from many directions.

How long does it take for DNA to die from radiation?

When the damaged cells die, they are broken down and removed by the body. Radiation therapy does not kill cancer cells right away. It takes days or weeks of treatment before DNA is damaged enough for cancer cells to die.

When should radiation therapy be given?

Radiation therapy may be given before, during, or after these other treatments to improve the chances that treatment will work. The timing of when radiation therapy is given depends on the type of cancer being treated and whether the goal of radiation therapy is to treat the cancer or ease symptoms.

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.

What happens if you sleep too much?

Too much sleep can result in more fatigue and restless nighttime sleeping. Rest when you need it. If you begin to feel tired, stop and take a few moments to rest to recharge your batteries. Resting can mean taking a short power nap or just sitting in a relaxing place and taking time out for yourself.

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.

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, ...

What are the side effects of radiation?

Some people may have many side effects, while others may have very few. The most common side effects are skin problems and fatigue.

How does radiation work?

Radiation works by breaking the DNA in cancer cells which helps keep them from growing and can cause them to die. Most of the time, radiation is aimed at only the area that has cancer. It doesn’t reach the rest of the body.

How long after radiation therapy can you touch a patient?

With systemic radiation therapy, you may also have to avoid the person's bodily fluids for a few days after treatment.

What is systemic radiation?

Another type is systemic radiation, when a radioactive drug is used and either given by mouth or put into a vein. External and internal radiation therapy mostly affect only the part of the body that has cancer while systemic radiation travels throughout the body.

What is caregiving during radiation treatment?

October 18, 2019. Taking care of someone with cancer may involve learning some basics about radiation treatments. Radiation therapy is one of the most common treatments for some types of cancer. It may be used to cure a cancer or shrink tumors, stop cancer from coming back, ...

How to help a cancer patient with fatigue?

Staying active while also getting enough rest and eating a healthy diet may help. Talk to the cancer care team about other ways to manage fatigue. External beam radiation can make the skin in the area being treated look and feel like it’s been sunburned. It may hurt or itch, peel, or become flaky.

Can you use lotion on cancer?

Try to protect the area from rubbing or scratching. Tight or stiff clothes may bother the skin. Ask the cancer care team whether it’s OK before using anything on the skin, including soaps, lotions, deodorants, medicines, perfumes, cosmetics, or powder.

How long does radiation last?

“Small doses of radiation may be administered daily over a period ranging from several days to several weeks.

What is internal radiation?

Internal radiation means that the radiation source is put into the body, Snyder says. Some examples of internal radiation are brachytherapy, in which doctors implant a seed, ribbon or wire that contains radiation in or around a tumor, the implant emits a dose of radiation to the surrounding area that kills cancer cells.

Why do some treatments need a little extra caution?

Why some treatments need a little extra caution. If you’re undergoing treatment for cancer, you know that the medicines and procedures have side effects. You may worry that these lifesaving treatments could somehow be harmful to your loved ones. It’s a concern that many cancer patients and their family members often have, ...

Does radiation continue after therapy?

The treated tissue does not continue to hold the radiation after the therapy session ends. So patients receiving external beam radiation need not worry about transmitting radiation to their loved ones.”. Internal radiation means that the radiation source is put into the body, Snyder says.

Is it safe to have physical contact with someone while receiving chemotherapy?

Chemotherapy safety. Snyder says some patients wonder whether it’s safe to have close physical contact with another person while they are receiving chemotherapy. “When we talk about being safe with chemotherapy patients, we really are talking about exposure to the chemotherapy medication,” she says.

Can radiation therapy cause cancer?

Some cancer patients who receive radiation therapy worry that their bodies will become “radioactive” after they receive radiation treatment. Their concern is that close physical contact with others could expose them to radiation. “The general answer to this concern is that physical contact is fine,” Snyder says. However, there are some exceptions.

How Does Cancer Treatment Affect the Immune System?

Chemotherapy (chemo) and radiation therapy (also called radiotherapy) kill cancer cells. The problem is, they also kill rapidly dividing healthy cells.

How Strong Is Your Immune System After Cancer Treatment?

After chemo and radiation, your immune system can stay suppressed for several months.

Ways to Support Your Immune System After Chemo and Radiotherapy

After chemo and/or radiation it’s important to protect yourself from infection. You can do this by: 2

When to Seek Professional Treatment

It’s important to get treatment for illness or infection right away. Symptoms to watch for include: 7

Summary

Chemotherapy kills fast-growing cells, which includes many healthy cells, along with cancer cells. Bone marrow cells are frequently damaged and unable to produce white blood cells. This hampers your immune system.

A Word From Verywell

More people are surviving and thriving after cancer all the time. Once you beat the disease, though, you can’t let up your guard. Impaired immunity can pose a real threat.

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