Blood Clots / Bruising and Chemotherapy

Chemotherapy has been an effective method of treating cancers for many years at Beaumont Hospitals, and it remains one of the most common cancer treatments. Chemotherapy is one of many cancer treatment options available at Beaumont.
Board-certified medical oncologists are trained and have years of experience with state-of-the-art chemotherapy programs for patients.

The side effects of chemotherapy depend on the type of chemotherapy and the amount given. Anticipating and managing side effects can help to minimize them and provide the best possible experience for the person receiving chemotherapy.

How does chemotherapy cause blood clots and bruising?

Platelets are the blood cells that help stop bleeding by clotting your blood. Chemotherapy can affect the bone marrow, where platelets are produced. If your blood has a platelet deficiency, you may bleed or bruise more easily than usual, even without an injury.

Bleeding is considered a potentially life-threatening side effect. The National Cancer Institute (NCI) recommends consulting your physician right away if you experience any of the following symptoms:

unexplained or unexpected bruising
small, red spots under the skin
bleeding from your gums
bleeding from your nose
reddish or pinkish urine
black or bloody bowel movements.
unusual vaginal bleeding
headaches or changes in vision
a warm or hot area on an arm or leg

How can I prevent problems if my platelet count is low?

Consider the following tips to prevent problems due to a low platelet count:

Do not take any vitamins, herbal remedies, or over-the-counter medications without first consulting your physician. Many of these products contain aspirin, which can affect platelet counts.
Consult your physician before drinking any alcoholic beverages.
Use a very soft toothbrush to clean your teeth.
Avoid forcefully blowing your nose.
Be careful not to cut or burn yourself. Use an electric shaver instead of a razor.
Avoid contact sports and other activities that might result in injury.
Consult your physician to determine if it is necessary for you to avoid sexual activity.

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Online Resources of Cancer Center