Decisions about your health care are important--including decisions about whether to use complementary and alternative health medicine (CAM). The National Center for Complementary and Alternative Medicine (NCCAM) has developed this fact sheet to assist you in your decision making about complementary and health home remedies. It includes frequently asked questions, issues to consider, and a list of sources for further information.
Key Points
- Take charge of your health by being an informed consumer. Find out what scientific studies have been done on the safety and effectiveness of the complementary and alternative medicine treatment in which you are interested.
- Decisions about medical care and treatment should be made in consultation with a health care provider and based on the condition and needs of each person. Discuss information on complementary and alternative medicine with your health care provider before making any decisions about treatment or care.
- Tell your health care providers about any complementary and alternative practices you use. Give them a full picture of what you do to manage your health. This will help ensure coordinated and safe care.
- If you use a complementary and alternative medicine therapy provided by a practitioner, such as acupuncture, choose the practitioner with care. Check with your insurer to see if the services will be covered.
1. What is Complementary and Alternative Medicine (CAM)?
CAM is a group of diverse medical and health care systems, practices, and products that are not presently considered to be part of conventional medicine. Complementary medicine is used together with conventional medicine, and natural health products are used in place of conventional medicine. Conventional medicine is medicine as practiced by holders of M.D. (medical doctor) or D.O. (doctor of osteopathy) degrees and by their allied health professionals, such as physical therapists, psychologists, and registered nurses. Some health care providers practice both complementary and cam medicine and conventional medicine.
The list of what is considered to be complementary and alternative medicine changes continually, as those therapies that are proven to be safe and effective become adopted into conventional health care and as new approaches to health care emerge.
2. How can I get reliable information about a Complementary and Alternative Medicine (CAM) therapy?
It is important to learn what scientific studies have discovered about the therapy in which you are interested. It is not a good idea to use a complementary and alternative medicine therapy simply because of something you have seen in an advertisement or on a Web site or because someone has told you that it worked for them.
Understanding a treatment's risks, potential benefits, and scientific evidence is critical to your health and safety. Scientific research on many complementary and health home remedies therapies is relatively new, so this kind of information may not be available for every therapy. However, many studies on complementary and alternative medicine treatments are under way, including those that NCCAM supports, and our knowledge and understanding of complementary and cam medicine is increasing all the time. Here are some ways to find scientifically based information:
- Talk to your health care practitioner(s). Tell them about the therapy you are considering and ask any questions you may have about safety, effectiveness, or interactions with medications (prescription or non-prescription). They may know about the therapy and be able to advise you on its safety and use. If your practitioner cannot answer your questions, he may be able to refer you to someone who can. Your practitioner may also be able to help you interpret the results of scientific articles you have found.
- Use the Internet to search medical libraries and databases for information. One database called CAM on PubMed, developed by NCCAM and the National Library of Medicine, gives citations or abstracts (brief summaries) of the results of scientific studies on complementary and cam medicine. In some cases, it provides links to publishers' Web sites where you may be able to view or obtain the full articles. The articles cited in CAM on PubMed are peer-reviewed-that is, other scientists in the same field have reviewed the article, the data, and the conclusions, and judged them to be accurate and important to the field. Another database, International Bibliographic Information on Dietary Supplements, is useful for searching the scientific literature on dietary supplements.
- If you do not have access to the Internet, contact the NCCAM Clearinghouse. The staff is available to discuss your needs with you and assist you in searching the peer-reviewed medical and scientific literature.
- Visit your local library or a medical library to see if there are books or publications that contain scientific articles discussing complementary and natural health products in general or the treatment in which you are interested. Thousands of articles on health issues and complementary and alternative medicine are published in books and scientific journals every year. A reference librarian can help you search for those on the therapy that interests you.
3. Are Complementary and Alternative Medicine (CAM) therapies safe?
Each treatment needs to be considered on its own. However, here are some issues to think about when considering a complementary and alternative medicine therapy.
- Many consumers believe that "natural" means the same thing as "safe." This is not necessarily true. For example, think of mushrooms that grow in the wild: some are safe to eat, while others are poisonous.
- Individuals respond differently to treatments. How a person might respond to a CAM treatment depends on many things, including the person's state of health, how the treatment is used, or the person's belief in the treatment.
- For a complementary and alternative medicine product that is sold over the counter (without a prescription), such as a dietary supplement, safety can also depend on a number of things:
- The components or ingredients that make up the product.
- Where the components or ingredients come from.
- The quality of the manufacturing process (for example, how well the manufacturer is able to avoid contamination).
- The manufacturer of a dietary supplement is responsible for ensuring the safety and effectiveness of the product before it is sold. The U.S. Food and Drug Administration (FDA) cannot require testing of dietary supplements prior to marketing. However, while manufacturers are prohibited from selling dangerous products, the FDA can remove a product from the marketplace if the product is dangerous to the health of Americans. Furthermore, if in the labeling or marketing of a dietary supplement a claim is made that the product can diagnose, treat, cure, or prevent disease, such as "cures cancer," the product is said to be an unapproved new drug and is, therefore, being sold illegally. Such claims must have scientific proof.
- For complementary and alternative medicine therapies that are administered by a practitioner, the training, skill, and experience of the practitioner affect safety. However, in spite of careful and skilled practice, all treatments--whether complementary and health home remedies or conventional--can have risks.
4.How can I determine whether statements made about the effectiveness of a Complementary and Alternative Medicine (CAM) therapy are true?
Statements that manufacturers and providers of complementary and alternative medicine therapies may make about the effectiveness of a therapy and its other benefits can sound reasonable and promising. However, they may or may not be backed up by scientific evidence. Before you begin using a complementary and alternative medicine treatment, it is a good idea to ask the following questions:
- Is there scientific evidence (not just personal stories) to back up the statements? Ask the manufacturer or the practitioner for scientific articles or the results of studies. They should be willing to share this information, if it exists.
- Does the Federal Government have anything to report about the therapy?
- Visit the FDA online at www.fda.gov to see if there is any information available about the product or practice. Information specifically about dietary supplements can be found on FDA's Center for Food Safety and Applied Nutrition Web site at www.cfsan.fda.gov. Or visit the FDA's Web page on recalls and safety alerts at www.fda.gov/opacom/7alerts.html.
- Check with the Federal Trade Commission (FTC) at www.ftc.gov to see if there are any fraudulent claims or consumer alerts regarding the therapy. Visit the Diet, Health, and Fitness Consumer Information Web site at www.ftc.gov/bcp/menu-health.htm.
- Visit the NCCAM Web site, nccam.nih.gov, or call the NCCAM Clearinghouse to see if NCCAM has any information or scientific findings to report about the therapy.
- How does the provider or manufacturer describe the treatment? The FDA advises that certain types of language may sound impressive but actually disguise a lack of science. Be wary of terminology such as "innovation," "quick cure," "miracle cure," "exclusive product," "new discovery," or "magical discovery." Watch out for claims of a "secret formula." If a therapy were a cure for a disease, it would be widely reported and prescribed or recommended. Legitimate scientists want to share their knowledge so that their peers can review their data. Be suspicious of phrases like "suppressed by Government" or claims that the medical profession or research scientists have conspired to prevent a therapy from reaching the public. Finally, be wary of claims that something cures a wide range of unrelated diseases (for example, cancer, diabetes, and AIDS). No product can treat every disease and condition.
5. Are there any risks to using Complementary and Alternative Medicine (complementary and alternative medicine) treatments?
Yes, there can be risks, as with any medical therapy. These risks depend upon the specific complementary and alternative medicine treatment. The following are general suggestions to help you learn about or minimize the risks.
- Tell your health care providers about any complementary and alternative practices you use. Give them a full picture of what you do to manage your health. This will help ensure coordinated and safe care. For example, herbal or botanical products and other dietary supplements may interact with medications (prescription or non-prescription). They may also have negative, even dangerous, effects on their own. Research has shown that the herb St. John's wort, which is used by some people to treat depression, may cause certain drugs to become less effective. And kava, an herb that has been used for insomnia, stress, and anxiety, has been linked to liver damage.
- If you have more than one health care provider, let all of them know about the CAM and conventional therapies you are using. This will help each provider make sure that all aspects of your health care work together.
- Take charge of your health by being an informed consumer. Find out what the scientific evidence is about any treatment's safety and whether it works.
- If you decide to use a complementary and alternative medicine treatment that would be given by a practitioner, choose the practitioner carefully to help minimize any possible risks.
6. Are Complementary and Alternative Medicine (CAM) therapies tested to see if they work?
While some scientific evidence exists regarding the effectiveness of some complementary and alternative medicine therapies, for most there are key questions that are yet to be answered through well-designed scientific studies-questions such as whether the therapies are safe, how they work, and whether they work for the diseases or medical conditions for which they are used.
NCCAM is the Federal Government's lead agency for scientific research on complementary and natural health products. NCCAM supports research on complementary and alternative medicine therapies to determine if they work, how they work, whether they are effective, and who might benefit most from the use of specific therapies.
7. I am interested in a Complementary and Alternative Medicine (CAM) therapy that involves treatment from a practitioner. How do I go about selecting a practitioner?
Here are a few things to consider when selecting a practitioner. If you need more information, see our fact sheet "Selecting a complementary and alternative medicine Practitioner."
- Ask your physician, other health professionals, or someone you believe to be knowledgeable regarding complementary and health home remedies whether they have recommendations.
- Contact a nearby hospital or a medical school and ask if they maintain a list of area CAM practitioners or could make a recommendation. Some regional medical centers may have a CAM center or CAM practitioners on staff.
- Contact a professional organization for the type of practitioner you are seeking. Often, professional organizations have standards of practice, provide referrals to practitioners, have publications explaining the therapy (or therapies) that their members provide, and may offer information on the type of training needed and whether practitioners of a therapy must be licensed or certified in your state. Professional organizations can be located by searching the Internet or directories in libraries (ask the librarian). One directory is the Directory of Information Resources Online (DIRLINE) compiled by the National Library of Medicine (dirline.nlm.nih.gov). It contains locations and descriptive information about a variety of health organizations, including complementary and alternative medicine associations and organizations.
- Many states have regulatory agencies or licensing boards for certain types of practitioners. They may be able to provide you with information regarding practitioners in your area. Your state, county, or city health department may be able to refer you to such agencies or boards. Licensing, accreditation, and regulatory laws for complementary and cam medicine practices are becoming more common to help ensure that practitioners are competent and provide quality services.
8. Can I receive treatment or a referral to a practitioner from NCCAM?
NCCAM is the Federal Government's lead agency for scientific research on CAM. NCCAM does not provide CAM therapies or referrals to practitioners.
9. Can I participate in Complementary and Alternative Medicine (CAM) research through a clinical trial?
NCCAM supports clinical trials (research studies in people) on complementary and alternative medicine therapies. Clinical trials on complementary and alternative medicine are taking place in many locations worldwide, and study participants are needed. To find out more about clinical trials in CAM, see the NCCAM fact sheet "About Clinical Trials and CAM." To find trials that are recruiting participants, go to the Web site nccam.nih.gov/clinicaltrials.You can search this site by the type of therapy being studied or by disease or condition. If you do not have access to the Internet, contact the NCCAM Clearinghouse for information.
Information Obtained From National Institute Of Health
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