Chemotherapy: Definition, How it Works, Time, And Side Effects - ReadNews
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Chemotherapy is a treatment that uses chemicals to kill the cells that grow quickly on the body. The most commonly used chemotherapy for the treatment of cancer, because cancer cells growing faster than normal cells in the body.
Chemotherapy drugs can be used alone or in combination to treat cancer. Chemotherapy is an effective way to treat many types of cancer but has a risk of side effects. Some side effects are mild and can be cured, but some can cause serious complications.
How does chemotherapy work ?
Chemotherapy kills the cells divide abnormally. As adults, typically the body cells no longer divide and growing too much. The cells only divide to repair the damage. When cells divide, formed 2 new cells. So, from 1 cell to 2, then evolved into 4, 8 and so on. Cancer cells continue to divide up a batch of cells become lumps or tumors.
On the central part of each cell there is a nucleus which contains chromosomes made of genes. the genes must be copied exactly to make new cells. Some chemotherapy drugs kill cells that evolve with damaging the cells that control the cleavage. Some other interrupt chemotherapy treatment of chemical processes in the cell division.
Chemotherapy damage the genes in the cell nucleus. Some drugs damage when cleavage. Some damage when making copies of a gene before cleavage.
When is chemotherapy used ?
Depending on the type of cancer you have, You may be given a drug (monoterapi) or a combination of drugs (combination therapy). Many types of chemotherapy treatment, but basically the way it works the same. Chemotherapy treatment can be given in the form of tablets and injections on blood vessels.
The team caring for You will give you a plan of handling in accordance with your condition. Ways that chemotherapy can be used for are :
- The injection on blood flow
- Intravenous infusion on blood flow
- Tablet
- Capsules
What are the side effects of chemotherapy ?
Different medicines cause side effects that are different. Please note that you will not experience the following side effects. In some people, the effect is happening. Sometimes the side effects of chemotherapy can be unpleasant, but you have to remember that:
- Most side effects occur only in the short term
- The side effects will disappear once treatment is completed
- You can use medications to reduce side effects
The side effects of chemotherapy treatment generally includes :
- Nausea
- Vomiting
- Diarrhea
- Hair loss
- Loss of appetite
- Fatigue
- Fever
- Pain in the mouth
- The pain
- Constipation
- Easy bruising
Most of these side effects can be prevented or resolved, and subside after treatment is completed. However, there are some side effects that last long or appear after several months or years after treatment. The side effects that occur on long term depending on the drug used, but can include :
- Lung tissue damage
- Heart problems
- Infertility
- Kidney problems
- Nerve damage
- Other cancer risks
Ask the doctor if you have a risk of side effects that may occur. Ask the signs and symptoms that you need to beware. If you are having troubling side effects, tell your doctor or nurse.
What's noteworthy on chemotherapy ?
There are some contraindications in chemotherapy; the following conditions indicate the existence of a treatment of chemotherapy should be delayed or not given at all.
Pregnancy in the first trimester
Due to the high potential for birth defects and possibly others, first trimester in pregnancy is contraindicated drugs against chemotherapy. However, some types of chemotherapy drugs safely given on the second and third trimester in pregnancy, although there is still an increased risk of a baby born dead and stunted his growth of the fetus in the womb.
Thrombocytopenia
The existence condition of thrombocytopenia or platelet count low and other types of low blood count, make doctors can't start chemo until conditions improved. Drugs or transfusion can increase the levels of blood cells.
Problems in liver or kidney
Since most chemotherapy drugs are processed by the liver or kidney, liver failure or defect or kidneys can be an obstacle against chemotherapy. There are several drugs that can be administered in patients with decreased liver or kidney function, but the dose should be adjusted.
The new surgery is done
Chemotherapy can interrupt the process of wound healing. When the wound has healed surgerys, doctors can start treatments of chemotherapy.
Infection
The infection is contraindicated against chemotherapy. Sepsis can occur, which can increase the risk of directly against cancer in patients. After the infection is cured, the treatment of new chemotherapy can begin.
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