Why do you have to drink water before radiotherapy?

When you attend for your CT planning scan and daily treatment, your radiographers will ask you to empty your bladder. They will then ask you to drink 500ml of water. This helps to ensure you have a comfortably full bladder. It is important that you drink the water quickly.
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Why do you need full bladder for radiation?

By having a full bladder, a portion of your small bowel can be pushed out of the radiation field. This may decrease your chances and severity of diarrhea. You can ask your health care team why it is important to have a full bladder for treatment.
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How much water should I drink before radiation?

Guidance to keep your bladder full

Please try to drink 2 litres of water a day. If you are not well hydrated before you drink your water for the treatment, hardly any water will pass to the bladder. As a guide we recommend you drink 500ml of water in the morning before your appointment.
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How do you prepare your bladder for radiotherapy?

For the full bladder preparation protocol, the advice was to void the bowel and bladder and then drink 300 ml of water within the next 15 min and 30 min later proceed with the RT planning scan. This process would then be repeated daily prior to each treatment.
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What should you not do before radiation treatment?

Clean the skin daily with warm water and a mild soap recommended by your nurse. Avoid using any lotions, perfumes, deodorants or powders in the treatment area unless approved by your doctor or nurse. Avoid products containing alcohol, which may dry your skin.
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Drinking Water before radiation treatment



Do you drink water before radiation treatment?

Drink 16 oz. of water 30 minutes prior to your treatment to ensure that your bladder is full at the time of treatment. Do not urinate until the radiation treatment has completed.
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Should you drink water before radiation?

It is important that you are well hydrated (drinking plenty of fluids) even before you start your treatment. We ask that you aim to drink 1.5-2 litres (6-10 average mug sizes) of fluid a day. Try to drink water or non- caffeinated drinks. It is best to avoid caffeinated, fizzy and alcoholic drinks.
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How do you empty your bowels for radiation?

To have an empty bowel for your radiotherapy, you can use the enema between 1.5 and 2.5 hours before your radiotherapy appointment. The time will depend on your travel time to the hospital.
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How do you prepare your bowels for radiation therapy?

You can maintain an empty rectum for simulation and treatment by: Trying to have a bowel movement within the 4 hours before simulation and each of your radiation treatments. Try to pass any flatus 1 hour prior to simulation and each of your treatments.
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How will I feel after my first radiation treatment?

Many people who get radiation therapy have fatigue. Fatigue is feeling exhausted and worn out. It can happen all at once or come on slowly. People feel fatigue in different ways and you may feel more or less fatigue than someone else who is getting the same amount of radiation therapy to the same part of the body.
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Why does radiation make you fatigued?

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.
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Does water help with radiation?

You can still use tap water for decontamination.

Any radioactive material that gets into surface water or ground water sources will be diluted to very low levels by the water and will be safe to use for washing skin, hair, and clothing.
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Can you shower after radiation?

Skin changes usually occur one to two weeks after your treatment begins and may last one to two weeks after your last treatment. You may shower or bathe throughout your radiation therapy. Your nurse will recommend a mild soap for you to use. It is important to keep skin folds clean and dry.
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What foods should I 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.
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How long do you stay in the hospital after radiation?

You may need to stay in the hospital for 1 or 2 days, and may need to take special precautions at home. To protect others from radiation, the drugs are kept in special containers that hold the radiation inside, and you'll be treated in a shielded room that also keeps the radiation inside.
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Do you have to undress for radiotherapy?

Your radiographer will show you into a changing room where they will ask you to undress from the waist down. They will provide you with a gown to wear. You can keep your underwear on. Dignity is maintained by covering you whenever possible.
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How long does a session of radiotherapy take?

Expect each treatment session to last approximately 10 to 30 minutes. In some cases, a single treatment may be used to help relieve pain or other symptoms associated with more-advanced cancers. During a treatment session, you'll lie down in the position determined during your radiation simulation session.
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Why do I need an enema before radiotherapy?

Having a microenema before your radiotherapy treatment each day, can help us make sure: Your treatment is accurate/given to the right area; • Your side-effects are kept to a minimum. If your rectum (back passage) is full when you have your radiotherapy treatment, the rectum will bulge into the treatment area.
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How can I reduce the side effects of radiation therapy?

Radiation therapy side effects: 5 tips to cope
  1. Get enough sleep during radiation therapy. ...
  2. Treat skin exposed to radiation with TLC. ...
  3. Maintain a well-balanced diet. ...
  4. Commit to physical activity. ...
  5. Get the support you need.
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What are the do's and don'ts with radiation?

When you wash, use only lukewarm water and mild soap. Don't wear tight clothing over the treatment area. It's important not to rub, scrub or scratch any sensitive spots. Also avoid putting anything that is very hot or very cold—such as heating pads or ice packs—on your treated skin.
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Does radiation make you poop?

Radiation enteritis causes diarrhea, nausea, vomiting and stomach cramps in people receiving radiation aimed at the abdomen, pelvis or rectum. It's most common in people receiving radiation therapy for cancer in the abdomen and pelvic areas.
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Does radiation treatments make you 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.
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How much water should I drink after radiation?

Some health experts suggest at least 8 glasses of liquid a day, even more if you have diarrhea or vomiting. Ask your doctor how much sounds right for you. Try other liquids.
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Are you awake for radiation treatment?

Many patients often expect to feel something—heat, a tingling sensation, pain—but that is not the case. You will be awake, but your radiation therapy treatment will feel just like getting an x-ray—which is to say you won't feel the radiation at all.
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Do you sleep alot after radiation?

People having radiotherapy for brain tumours often feel tired. This can be worse if you're also taking steroids. The tiredness often reaches its maximum 1 to 2 weeks after the end of treatment. A small number of people are asleep for a lot of the day after a long course of radiotherapy to the brain.
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