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Drug Reactions

Most of the time, medicines make our lives better. They reduce aches and pains, fight infections, and control problems such as high blood pressure or diabetes. But medicines can also cause unwanted reactions, such as drug interactions, side effects, and allergies.

What is a drug interaction?

A drug interaction is a change in the way a drug acts in the body when taken with certain other drugs, foods, or supplements or when taken while you have certain medical conditions. Examples include:

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Results 1 - 10 of 5,275 for Side effects
  1. Drug Reactions (National Library of Medicine)  
    ... also cause unwanted reactions, such as drug interactions, side effects, and allergies. What is a drug interaction? A ... drug to be more or less effective, cause side effects, or change the way one or both drugs ...
  2. Antidepressants (National Library of Medicine)  
    ... first because they don't cause as many side effects as older types. They also seem to help ... Even though these antidepressants may cause more serious side effects, the benefits may outweigh the risks for some ...
  3. Cancer Chemotherapy (National Library of Medicine)  
    ... causing pain and other problems. What are the side effects of chemotherapy? Chemotherapy does not just destroy cancer ... can also harm some healthy cells, which causes side effects. You may have a lot of side effects, ...
  4. Getting treatment for cancer can cause side effects. Some of these side effects can affect your sex life or fertility, which is your ability to have children. These side effects ...
  5. Radiation Therapy (National Library of Medicine)  
    ... cells. Treatment must be carefully planned to minimize side effects. Common side effects include skin changes and fatigue. Other side effects depend on the part of your body being ...
  6. Radiation Therapy Side Effects (American Cancer Society)  
    Radiation Therapy/Related Issues ... Radiation Therapy ... American Cancer Society ... Radiation therapy can cause different side effects depending on what area of the ...
  7. Managing Cancer-Related Side Effects (American Cancer Society)  
    Cancer--Living with Cancer/Specifics ... Cancer--Living with Cancer ... Cancer Chemotherapy/Related Issues ... Cancer Chemotherapy ... American Cancer Society ... What are cancer- ...
  8. HIV Medicines and Side Effects From the National Institutes of Health (National Institutes of Health, Office of AIDS Research)  
    Side effects from HIV medicines may last only a few days or weeks. For example, nausea, fatigue, and trouble sleeping are short-term side effects of HIV medicines.
  9. Antidepressants: Which Cause the Fewest Sexual Side Effects? (Mayo Foundation for Medical Education and Research)  
    Antidepressants/Related Issues ... Antidepressants ... Mayo Foundation for Medical Education and Research
  10. How Do I Manage Lung Cancer Side Effects? (American Lung Association)  
    ... you determine techniques for coping with lung cancer side effects. Always talk to your doctor or nurse when you experience a side effect from lung cancer treatment. They may be able ...
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