Complementary, Traditional & Alternative Medicines (CAM)

Complementary, Traditional & Alternative Medicines (CAM) 722.544

Learning Outcomes

  • Define complementary and alternative therapies.

  • Identify types of common therapies.

  • Discuss the basis and philosophy of herbal and homeopathic medicine.

  • Discuss research and evidence for complementary therapies.

  • Discuss safety and risk associated with complementary therapies.

What is CAM?

  • Definition:

    • Complementary and alternative medicine (CAM) comprises diverse therapies and healing systems not currently recognized as part of conventional medicine.

    • Another term for CAM is Integrative Health.

  • Common Characteristics:

    • Focus on treating the individual person.

    • Consideration of the health of the whole person.

    • Integration of mind and body.

    • Emphasis on disease prevention, self-care, and self-healing.

    • Recognition of spirituality's role in health and healing.

Differences between Complementary and Alternative Medicine

  • Complementary Medicine:

    • Used alongside conventional medicine.

    • May have some scientific endorsement (e.g., aromatherapy to alleviate post-surgery discomfort).

  • Alternative Medicine:

    • Used in place of conventional medicine.

    • Often lacks scientific evidence (e.g., using a specific diet to treat cancer instead of recommended medications).

Major Types of CAM Therapies

  • Five categories of CAM:

    1. Alternative Medical Systems:

    • Complete systems of theory and practice not based on conventional approaches.

    • Examples:

      • Western: Homeopathic medicine and naturopathy.

      • Non-Western: Traditional Chinese medicine and Ayurveda.

      • Rongoaa Maaori.

      1. Mind-Body Interventions:

    • Techniques to enhance mental and physical health connection (e.g., meditation, support groups).

    1. Biologically Based Therapies:

    • Use of natural substances (e.g., herbs, foods, vitamins).

    1. Manipulative and Body-Based Methods:

    • Movement or manipulation of body parts (e.g., massage, chiropractic manipulation).

    1. Energy Therapies:

    • Biofield Therapies:

      • Affect energy fields surrounding the body (e.g., qi gong, Reiki).

      • Existence of these fields is scientifically unproven.

    • Bioelectromagnetic-based Therapies:

      • Use of electromagnetic fields for healing (e.g., pulsed fields).

Demographics of CAM Users

  • Percentage of users:

    • 40% of women.

    • 27% of men.

    • 33% of people over 35 years.

    • 26% of people under 35 years.

    • 38% of users utilize more than one form of CAM simultaneously.

Commonly Used Natural Products

  • Prevalence of natural products used:

    • Echinacea: 40%

    • Ginseng: 24%

    • Ginkgo biloba: 21%

    • Garlic: 20%

    • Glucosamine: 5%

Conditions Most Frequently Treated with CAM

  • Common conditions and their respective percentages:

    • Back Pain: 17%

    • Head Cold: 10%

    • Joint Pain/Arthritis: 10%

    • Neck Pain: 7%

    • Anxiety or Depression: 5%

Reasons People Use CAM

  • Factors influencing the decision to use CAM:

    • Dissatisfaction with healthcare providers and outcomes.

    • Side effects from conventional medications.

    • High healthcare costs.

    • Desire for longer consultations with practitioners.

    • Search for “cures”.

    • Preference for “natural” products.

    • Empowerment in health decisions.

    • Focus on spirituality and emotional well-being.

Evidence for CAM

  • Issues with scientific validation:

    • Few CAM therapies have undergone rigorous studies.

    • Some therapies have gained mainstream acceptance (e.g., acupuncture, chiropractic).

  • Historical use:

    • CAM practices, like prayer and meditation, have been employed by nurses historically in treating the body and spirit.

Research Perspectives

  • Pharmacological insights:

    • CAM may reduce the need for conventional medications (e.g., massage for anxiety).

  • Importance of nurse awareness:

    • Nurses must be sensitive to patient beliefs regarding CAM.

Herbal Products Overview

  • Historical context:

    • Herbs are part of human society since the dawn of civilization.

    • 30% of modern drug preparations use plant-based ingredients.

  • Concerns raised in 19th century:

    • Shift towards scientific medicine due to fears of quackery.

    • The 1960s saw a renewed interest in natural health due to iatrogenic effects of conventional treatments.

Herbal Medicine vs. Conventional Drugs

  • Use of Whole Plants:

    • Practitioners often use unpurified plant extracts containing multiple constituents.

  • Active chemicals vary:

    • E.g., Chamomile's active chemicals are in above-ground portions; Ginger's are in underground rhizomes and roots.

  • Claims of synergy:

    • Whole plants purportedly work synergistically and may reduce toxicity compared to isolated components.

  • Herb combining:

    • Use of multiple herbs for improved efficacy, contrasting with conventional medicine’s avoidance of polypharmacy.

Herbal Medicine Prescription Practices

  • Treatment process outlined:

    • Comprehensive patient history and examination.

    • Analysis of daily bodily functions (appetite, digestion, sleep).

    • Custom herb combinations (usually tinctures or teas).

    • Lifestyle and dietary advice provided.

Sample Herbal Medicine Recipes

  • Tinctures Prescriptions:

    • Tumeric Tincture: 20ml for anti-inflammatory.

    • Devil’s Claw Tincture: 30ml for well-being.

    • Ginseng Tincture: 10ml for fatigue.

    • White Willow Tincture: 20ml for anti-inflammatory.

    • Licorice: 5ml for palatability and absorption.

Common Conditions Treated by Herbal Medicine

  • Focused on chronic conditions:

    • Asthma, eczema, PMS, migraine, menopausal symptoms, chronic fatigue syndrome, IBS.

  • Goal:

    • Improve well-being by addressing root causes rather than merely symptoms.

Research Evidence on Herbal Effects

  • Laboratory findings:

    • Herbal extracts demonstrate effects such as anti-inflammatory, antimicrobial, anti-convulsant properties.

  • Human studies:

    • Evidence for ginger (nausea), feverfew (migraine), gingko (claudication, dementia), St. John's wort (depression).

Safety Concerns Regarding Herbal Medicine

  • Toxicity and risks:

    • High toxicity potential in many plants.

    • Greater risk of adverse effects and interactions.

    • Serious adverse effects linked to self-prescribed herbal products.

  • Misconceptions:

    • Many believe that “natural” equates to “safe”, which is incorrect.

Case Studies of Herbal Interactions and Side Effects

  • Garlic:

    • Can lower blood sugars dangerously when combined with diabetes medication.

  • Goldenseal:

    • Risky for those on antihypertensives; high consumption can cause gastrointestinal issues.

  • Feverfew:

    • May amplify heart rate and blood pressure when taken with migraine drugs.

  • Guarana:

    • Contains high caffeine levels; can cause insomnia and cardiovascular issues.

  • Kava:

    • Should not mix with CNS depressants.

  • St. John's Wort:

    • Can interact dangerously with MAO inhibitors.

  • White Willow:

    • Long-term use risks gastrointestinal irritation akin to aspirin.

Homeopathy Overview

  • Definition:

    • Homeopathy, founded by Samuel Hahnemann, is based on the “Law of Similars” (like cures like).

  • Hahnemann’s Approach:

    • Shift from harsh conventional treatments to symptom-similar cures.

  • Homeopathy Methodology:

    • “Provings” were detailed experiments involving healthy individuals to assess effects of substances.

Homeopathy Principles by Hahnemann

  • Concept of Potentization:

    • Systematic dilution and shaking enhance efficacy of remedies, even at high dilutions where no molecules may remain.

  • Individual Assessment:

    • Comprehensive evaluation of physical, emotional, and lifestyle aspects in treatment selection.

Homeopathic Remedies Characteristics

  • Derived from natural sources (plants, minerals, or animals).

  • Commonly highly diluted to the point of having no original molecules.

  • Available in liquid, pellet, and tablet forms.

Usage of Homeopathy

  • Aimed at a variety of health issues:

    • From wellness and preventive care to chronic conditions treatment.

  • Self-treatment common among users, often without professional guidance.

Safety Considerations in Homeopathy

  • Generally safe in high dilutions under professional supervision.

  • Potential for initial worsening of symptoms interpreted as healing.

  • Alcohol content in liquid homeopathic remedies may be higher than conventional drugs, but no adverse reports exist.

Evidence for Homeopathy

  • Mixed results in clinical trials:

    • Some show no better than placebo; others show benefits exceeding placebo effects.

Scientific Controversies Surrounding Homeopathy

  • Fundamental debate regarding scientific validity, as many homeopathy principles conflict with established scientific laws.

  • Key questions remain unanswered regarding effectiveness and mechanisms of action.

  • Debate persists on whether observed effects are due to placebo responses.

Implications for Nursing and CAM

  • ,Culturally diverse patients utilize varied healthcare practices.

  • CAM integration increasing among health professionals, especially nurses seeking holistic care alignment.

  • Patients disillusioned with conventional care often express satisfaction with CAM therapies.

  • Nurses should assess patients’ use of CAM for safety considerations.

  • Respect for cultural beliefs essential; nurses must adapt to cultural practices in care.

Safety Issues with CAM Products

  • Popular misconceptions surround the assumption that "natural" means "safe"; critical review of each treatment is required.

  • Factors influencing safety include:

    • Product composition

    • Source of ingredients

    • Manufacturing quality

    • Individual response to treatment.

Recommendations for Patients Considering CAM

  • Discuss CAM treatments with healthcare practitioners.

  • Ensure safe practices by selecting qualified practitioners, as all treatments carry risks.

References

  • Bryant, B., Knights, K., Darroch, S. & Rowland, A. (2019). Pharmacology for health professionals. (5th ed.). Sydney: Elsevier.

  • NZNO. (2011). Rongoaa Maaori and complementary therapies in nursing practice [Practice Position Statement]. Wellington: Author.