Side Effects of Chemotherapy on Body


Chemotherapy, often called chemo, is a powerful treatment used to fight cancer. It works by targeting fast-growing cells in the body, which includes cancer cells. But how does it affect the body? Let’s dive into the world of chemotherapy and explore its side effects in a way that’s easy to understand.

What is Chemotherapy?

Chemotherapy is a type of medicine that doctors use to treat cancer. It’s made up of powerful drugs that travel through the body, finding and attacking cancer cells.

How Does Chemotherapy Work?

Chemotherapy works by stopping cancer cells from growing and dividing. Imagine cancer cells as troublemakers in your body. Chemo comes in like a superhero to fight these troublemakers. It can be given in different ways, like pills you swallow or liquids that go into your veins through a tube.

Side Effects of Chemotherapy:

While chemotherapy helps kill cancer cells, it can also affect healthy cells in the body. Here are some common side effects:

  1. Hair Loss: Chemo can make your hair fall out because it affects the cells that make hair grow. But don’t worry, hair usually grows back after treatment!
  2. Nausea and Vomiting: Some kids feel sick to their stomachs and may throw up during chemotherapy. Doctors can give special medicines to help with this.
  3. Tiredness: Chemo can make you feel really tired because it affects the energy-making parts of your body. Resting and eating healthy foods can help you feel better.
  4. Weakened Immune System: Chemotherapy can lower the number of white blood cells in your body, which help fight off germs. This means you might get sick more easily. Washing your hands often and avoiding sick people can help keep you healthy.
  5. Bruising and Bleeding: Chemo can affect the cells that help your blood clot, so you might bruise or bleed more easily. Be careful and let an adult know if you get hurt.

Data and Stats:

  • According to the American Cancer Society, about 650,000 children and adults receive chemotherapy each year in the United States alone.
  • Research shows that nearly 80% of people who undergo chemotherapy experience some side effects.
  • Hair loss occurs in around 65% of patients receiving chemotherapy.


Chemotherapy is a powerful weapon in the fight against cancer. While it can have side effects, doctors and nurses work hard to help kids and grown-ups feel as good as possible during treatment. Remember, it’s okay to ask questions if you’re curious or worried about anything related to chemotherapy. And always remember, you’re not alone – there are many people cheering you on every step of the way!

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