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Side effects can occur with any type of treatment for ovarian cancer, but not everyone has them or experiences them in the same way. Side effects of chemotherapy will depend mainly on:
Chemotherapy kills cancer cells, but it can also damage healthy cells. Different cells and tissues in the body tolerate chemotherapy differently.
Side effects can happen any time during, immediately after, or a few days or weeks after chemotherapy. Most side effects go away after chemotherapy is finished. Late side effects can occur months or years after chemotherapy. Some side effects may last a long time or be permanent.
The side effects of intraperitoneal (IP) chemotherapy and intravenous drugs are mostly the same. Intraperitoneal chemotherapy also causes some specific side effects.
It is important to report side effects to the healthcare team. Doctors may also grade (measure) how severe certain side effects are. Sometimes chemotherapy treatments may need to be adjusted if side effects are severe.
The following are the most common side effects that women tend to experience with chemotherapy for ovarian cancer. Some women may experience all, some or none of these side effects. Others may experience different side effects.
Bone marrow suppression is a condition in which one or more of the main types of blood cells are decreased.
Low blood cell counts occur because of chemotherapy’s effect on the bone marrow, where blood cells are made. Blood cell counts often reach their lowest level about 7–14 days after chemotherapy. Bone marrow suppression is the most common and most serious side effect of chemotherapy. When it happens, the dose of chemotherapy is adjusted right away or chemotherapy may have to be stopped temporarily.
Not all chemotherapy drugs cause nausea and vomiting. Individual drugs vary in their effects, but nausea and vomiting are more likely when combinations of chemotherapy drugs are given.
Nausea and vomiting can occur within the first few hours after chemotherapy drugs are given and usually last about 24 hours. However, delayed nausea and vomiting may continue for a few days after treatment. Some people may have anticipatory nausea after having a few treatments, where they feel nauseated even before treatment is given because they expect to be sick. The healthcare team can prescribe medicines to help manage nausea and vomiting during chemotherapy.
Nausea and vomiting, fatigue or a buildup of waste products as cancer cells die can cause loss of appetite. Some chemotherapy drugs can cause temporary changes in taste and smell, which can make foods seem less appetizing. Some women lose interest in food completely and don’t eat, even though they know they need to. This can lead to weight loss and malnutrition. Maintaining good nutrition during and after chemotherapy is important to help a woman recover from treatment.
A sore mouth (also called stomatitis or oral mucositis) occurs because of chemotherapy’s effect on cells inside the mouth. Many drugs can cause a sore mouth and it occurs more often when higher doses of drugs are used. A sore mouth occurs about a week (anywhere from 5–14 days) after chemotherapy is started. It often improves on its own a few weeks after treatment is finished.
Painful mouth sores, ulcers in the mouth and mouth infections can also develop. Thorough, regular mouth care can help prevent a sore mouth and reduce infection. The healthcare team will give instructions about how often to clean and rinse the mouth and what to use. Pain medicines or special oral solutions may be needed to relieve pain.
Diarrhea is an increase in the number and looseness of stools. It occurs because chemotherapy drugs often affect the cells that line the gastrointestinal tract. Many factors increase the risk of diarrhea, including the type and dose of chemotherapy drug used. Diarrhea is often worse when combinations of drugs are given. Diarrhea occurs soon after chemotherapy starts and can continue for up to 2 weeks after treatment has ended.
Constipation is when stools become hard, dry and difficult to pass. Many factors increase the risk of constipation, including the type of chemotherapy drug used, medicines given with chemotherapy to relieve nausea and vomiting and lowered fluid intake. Constipation usually occurs 3–7 days after the chemotherapy drug is given.
Fatigue makes a person feel more tired than usual and can interfere with daily activities and sleep. It occurs for a variety of reasons. Fatigue may be caused by anemia, specific drugs, poor appetite or depression. It may also be related to toxic substances that are produced when cancer cells break down and die. Fatigue can occur days after a chemotherapy treatment cycle and can continue long after the woman has finished her cancer treatment. It will get better as time goes by.
Hair loss (alopecia) is a common side effect of many, but not all, chemotherapy drugs. Chemotherapy drugs target fast-growing cells, so hair follicles are affected by chemotherapy. The extent and duration of hair loss is unpredictable because it depends on the type and dose of drugs used as well as personal factors. Hair loss can occur on all parts of the body, including the face and scalp. Hair loss can begin within a few days or 2–3 weeks after chemotherapy starts. Hair usually grows back once chemotherapy treatments are over.
It is often recommended that hair not be permed, straightened, dyed or coloured during treatment. Wait until new hair growth becomes established and hair returns to its original state before using harsh chemicals on the hair. This may take as long as 6 months or more after treatment. Talk to the healthcare team about when it is okay to use these products again.
Some types of chemotherapy can make you feel like you have the flu. Flu-like symptoms usually last 1–3 days and may include:
Flu-like symptoms can also be caused by an infection or the cancer itself. Tell your healthcare team if you have any of these symptoms.
Some chemotherapy drugs can cause painful side effects, such as aching in the muscles and joints, headaches and stomach pains. Burning, numbness, tingling or shooting pains in the hands and feet may also occur. This may continue for a period of time after treatment is finished. The healthcare team will give instructions on what medicines to use to relieve the pain.
Many chemotherapy drugs are given by an injection, usually intravenously (into a vein). After the initial stick to insert the needle or catheter into the vein, there is usually no discomfort or pain when IV chemotherapy drugs are given.
Sometimes drugs can escape from the vein and leak into the surrounding tissues (extravasation). Some chemotherapy drugs can be very irritating if they escape from the vein. These drugs are called vesicants. When these drugs get into the tissues, they can cause redness, swelling, pain, burning or stinging at the injection site. In some cases, chemotherapy drugs that escape from the vein can cause severe damage to the skin and surrounding soft tissue that looks like a burn. These skin changes may occur at the time of extravasation or hours or days later.
Some chemotherapy drugs can cause minor skin changes or skin irritation. Skin changes can occur during and for some time after chemotherapy. Skin reactions can include redness, itching, dryness, rash or nail changes.
Skin may also be more sensitive to or easily irritated by the sun during chemotherapy treatment.
Some chemotherapy drugs cause eye changes, including blurry vision, watery eyes and trouble wearing contact lenses. Tell your doctor or healthcare team if you have changes to your eyes and ask if you can wear contact lenses while getting chemotherapy.
Hand-foot syndrome (also known as palmar-plantar erythrodysesthesia or PPE) can be caused by some drugs used to treat ovarian cancer. Symptoms include redness, tenderness and peeling or scaling of the skin on the palms of the hands and the bottom of the feet. Tingling, pain or numbness can develop in the hands or feet.
Allergic reactions are not a common side effect of chemotherapy, but they can happen. Although any drug can cause an allergic reaction, some chemotherapy drugs are more likely than others to cause allergic or hypersensitivity reactions. Symptoms include difficulty breathing, skin rash or hives and itching. Sometimes medicine is given before chemotherapy to prevent an allergic reaction.
During intraperitoneal chemotherapy, up to 2 litres of solution is injected into the abdomen. This can cause a feeling of pressure that will slowly go away after the treatment. Pressure in the abdomen may make it hard to breathe deeply. Bloating in the abdomen can also cause the need to urinate more often.
Peritonitis is the inflammation of the peritoneum (the membrane that lines the walls of the abdomen and pelvis, and covers and supports most of the abdominal organs). Although rare, peritonitis can be the result of the intraperitoneal chemotherapy or an infection. Peritonitis can cause abdominal pain, chills or fever. Call the healthcare team right away if you have any of these symptoms during or between treatments.
There can be side effects or problems related to the catheter that is placed in the abdomen to give intraperitoneal chemotherapy. These problems can include the catheter moving from its original place in the abdomen and blockage of the catheter.
Chemotherapy for ovarian cancer may cause fertility problems that affect a woman’s ability to become pregnant. Women older than 35-40 years old are more likely to experience fertility problems.
Certain chemotherapy drugs can damage the cells of some organs in the body. Steps are taken to limit the damage to healthy cells, but occasionally organ damage can occur. Whether or not organ damage occurs depends on many factors. Some of the organs that may be affected by chemotherapy include the:
A very small number of people may develop a second cancer caused by certain chemotherapy drugs. The highest risk of developing a second cancer occurs in people who have received both radiation therapy and chemotherapy. The benefit of treating a person’s cancer usually far outweighs the risk of developing a second cancer from chemotherapy treatment. A second cancer can develop any time, sometimes 15 years or more after treatment.
Note: Other side effects may occur. For more detailed information on specific drugs, go to sources of drug information.
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