In healthcare, CAM stands for Complementary and Alternative Medicine. It’s an umbrella term for medical practices and products that fall outside conventional Western medicine, including things like acupuncture, yoga, chiropractic care, herbal supplements, and massage therapy. While the acronym is still widely used, the healthcare field has been shifting toward newer terminology that better reflects how these approaches are actually used today.
Complementary vs. Alternative: A Key Distinction
The two words in CAM describe fundamentally different approaches. A therapy is “complementary” when it’s used alongside conventional medicine. Getting acupuncture to manage nausea during chemotherapy, for example, is a complementary approach. A therapy is “alternative” when it’s used instead of conventional treatment, such as choosing an herbal regimen in place of a prescribed medication.
In practice, most people who use non-mainstream therapies also use conventional healthcare. Purely alternative use, where someone replaces standard medical care entirely, is relatively uncommon. That’s one reason the field has started moving away from the CAM label altogether.
The Shift Toward “Integrative Health”
You’ll increasingly see healthcare systems, hospitals, and researchers use the term “integrative health” or “integrative medicine” instead of CAM. The National Center for Complementary and Integrative Health (NCCIH), the branch of the National Institutes of Health that studies these approaches, reflects this shift in its own name.
Integrative health describes a coordinated approach that combines conventional and complementary therapies with an emphasis on treating the whole person rather than a single organ system or disease. It typically involves multiple interventions working together: medication and physical rehabilitation alongside approaches like acupuncture, yoga, or probiotics. The goal is well-coordinated care among different providers and institutions rather than patients cobbling together separate treatments on their own.
Common Types of CAM Therapies
CAM therapies generally fall into a few broad categories:
- Mind-body practices: yoga, meditation, acupuncture, tai chi, massage therapy, chiropractic manipulation, and relaxation techniques.
- Natural products: herbal supplements, vitamins, minerals, and probiotics. These are the most commonly used category and are widely available without a prescription.
- Other approaches: practices rooted in traditional healing systems, such as traditional Chinese medicine, Ayurveda, and naturopathy.
How CAM Products Are Regulated
One important thing to understand: dietary supplements and natural products used in CAM are not regulated the same way as prescription drugs. Under the Dietary Supplement Health and Education Act of 1994, manufacturers are responsible for evaluating the safety and labeling of their own products before selling them. The FDA can take action against a supplement that’s mislabeled or unsafe, but only after it’s already on the market. This is essentially the opposite of how conventional drugs work, where safety must be proven before a product reaches store shelves.
This means the quality, potency, and purity of supplements can vary significantly between brands. A product’s label may claim certain health benefits, but those claims don’t require FDA approval before the product is sold.
Insurance Coverage for CAM
Coverage for CAM therapies varies widely depending on your insurance plan and the specific therapy. Acupuncture, chiropractic care, and massage are the most commonly covered approaches, but that coverage is more likely to be partial than full. Many plans require preauthorization, a referral, or the use of in-network practitioners.
If you’re considering a complementary therapy, it’s worth calling your insurance provider to ask whether the approach is covered for your specific condition, whether there are visit limits, and how much you’ll pay out of pocket. If you’re shopping for a new plan, ask whether complementary therapies require a special rider or supplemental add-on.
CAM Can Also Mean Something Else in Clinical Settings
If you’ve encountered “CAM” in a hospital or clinical context, it may refer to something entirely different: the Confusion Assessment Method. This is a screening tool developed in 1990 that helps clinicians identify delirium, a sudden state of confusion that can occur in hospitalized patients, particularly older adults. The CAM diagnostic algorithm is one of the most widely used delirium assessment tools in clinical medicine. Context usually makes the meaning clear, but it’s worth knowing both definitions exist.