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Doctor insights on: How Does Chemotherapy Kill Cancer Cells

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How does chemotherapy target exactly your colon cancer? Does it kill off a lot of normal colon cells too?

How does chemotherapy target exactly your colon cancer? Does it kill off a lot of normal colon cells too?

It doesnt: Chemo works by inhibiting/killing cells which grow faster than normal cells. There are side effects because normal cells divide as a normal function, so yes, normal cells are affected too. The trick is to give enough to kill the bad cells, and not so much that the side effects are intolerable. ...Read more

Dr. Barry Rosen
4,214 doctors shared insights

Cancer (Definition)

Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more


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First chemotherapy regimen theoretically kills what % Of cancer cells?

First chemotherapy regimen theoretically kills what % Of cancer cells?

No definitive answer: There is no one answer for this question, as it depends on the type of cancer being treated, underlying co-morbid conditions, other treatments that may have been tried already, etc. Sometimes chemo is used to help supplement the previous treatment and prevent the chance even more of recurrence, etc. Ask your Treating oncologist what statistics are available for your specific type, best wishes. ...Read more

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Why to do chemotherapy if all the cancer cells can't be targeted and always be afraid of reecurance?

Why to do chemotherapy if all the cancer cells can't be targeted and always be afraid of reecurance?

You try to do your b: Chemotherapy can kill most of the cells in most of the patients. So it helps to improve your chances to survive cancer. You do not want to take any risk if you can help it. So i would not gamble and take the chemo if your doctor has strongly recommended it ...Read more

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Why to do chemotherapy if cancer cells can still be left behind for reccrrence after the treatment? Doesn;t chemo kill all the cells?

Why to do chemotherapy if cancer cells can still be left behind for reccrrence after the treatment? Doesn;t chemo kill all the cells?

Cancer cells: That is the million dollar question! adjuvant chemo is suppose to eradicate or kill the micrometastasis increasing the curative potential. It can do that in majority of patients but not in every one. Cancer cells find ways of survival by hijacking the host immune system, by affecting the microenvironment, and by changing their phenotype into stem cell type, a phenomenon called emt they outsmart us. ...Read more

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I was wondering what are the procedures of radiation therapy and chemotherapy and how long does the procedure takes to clean the body from the cancer cells?

I was wondering what are the procedures of radiation therapy and chemotherapy and how long does the procedure takes to clean the body from the cancer cells?

It depends: Radiation therapy (rt) is used to treat specific spots of cancer, while chemotherapy is used to treat the whole body. Rt is similar to getting an x-ray, but for 15+ minutes repeated every day, for weeks to months. Chemotherapy is an IV medicine given daily, weekly, or every few weeks, over several months. Details depend on the type of cancer being treated. ...Read more

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Mother had cancer cells in skull and spinal cord. After chemotherapy her pain is alleviate d and her blood count is normal.Is it a good sign?

Mother had cancer cells in skull and spinal cord. After chemotherapy her pain is alleviate d and her blood count is normal.Is it a good sign?

Likely: The chemo has very likely induced a remission, and that is certainly positive. One might hope that this is on the road to full control, and maybe permanent remission. ...Read more

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Is it true that if cancer wont kill u , chemotherapy will eventually. Is it that bad for the body? I believe in natural cures but fda wont approve it

Is it true that if cancer wont kill u , chemotherapy will eventually.  Is it that bad for the body? I believe in natural cures but fda wont approve it

Absolutely not: Chemotherapy can have severe short and long-term sides effects and complications but rarely kills patients as untreated cancers do. Many tumors are very responsive to chemotherapy and the side effects are worth the benefits. ...Read more

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How can cancer fighting kill cancer cells?

How can cancer fighting kill cancer cells?

What do you mean....: .....By "cancer fighting"? Chemo? Radiation? Biological and targeted therapy? Hormones? Surgery? Kung fu fighting? Each one (except the last one, that's a 70s song) attacks cancer in a different way. You need to be a bit more specific. ...Read more

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How does chemoembolization kill cancer cells?

How does chemoembolization kill cancer cells?

2 methods: The first is that the particles/medicine clogs the blood vessels that provide essential oxygen and nutrients to the cancer growth. The second is that the chemotherapy medicine that is injected prevents the cancer cells from dividing and growing. ...Read more

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Dr. Devon Webster
945 doctors shared insights

Chemotherapy (Definition)

The term chemotherapy typically is used to describe using chemicals to treat ...Read more