Herbal Supplements

Herbal Supplements

Dietary Supplement Health and Education Act of 1994

  • Herbal products were reclassified as dietary supplements.
  • Key points regarding regulations and requirements:
    • Premarket testing is not required for herbal products, thus raising concerns about their safety and efficacy.
    • Manufacturing standards are not strictly enforced, leading to variability in product quality.
    • The act clarified marketing regulations for herbal supplements.
    • Manufacturers must note the physiologic effects of the products.
    • No claims are allowed concerning prevention or curing of specific conditions with these products.

Forms of Herbal Supplements

  • Dried herbs
  • Fresh herbs
  • Oils
  • Salves
  • Tinctures
  • Teas
  • Extracts
  • Syrups

Patient Responsibility

  • Patients should:
    • Consult with a health care provider before taking any herbal preparation.
    • Report all herbal preparations to all health care providers to avoid negative interactions.
    • Inform health care providers about any allergies or sensitivities to herbal products.
    • Use caution if pregnant or lactating.
    • Not exceed the recommended dose of any herbal product.

Tips for Herb Use

  • Important considerations for patients using herbal supplements:
    • Contact health care provider before stopping a prescription medication to avoid adverse effects.
    • Store the herbal product in a cool, dry place, with dark glass containers being preferred to protect from light.
    • Ensure the use of only current products to avoid outdated or ineffective remedies.
    • Do not delay seeking care from a health care provider for persisting or severe symptoms.
    • Advise against the belief in "miracle cures"; emphasize that herbs are not placebos.
    • Be aware of the increased risk of reactions when prescription and over-the-counter medications are combined with herbs.

Selected Herbs and Their Uses

  • Aloe Vera

    • External Use: Provides relief of pain and promotes healing of burns.
    • Internal Use: Used for treating constipation, but may result in arrhythmias, neuropathies, and edema if misused.

  • Chamomile

    • Aids in relieving digestive complaints.
    • May have sedative effects; however, rare allergic reactions such as urticaria and bronchoconstriction can occur in those allergic to daisy or ragweed.

  • Echinacea

    • Stimulates the immune system; beneficial for colds, flu, and recurrent respiratory and urinary tract infections.
    • Usage should be limited to 2 weeks due to potential hepatotoxicity.

  • Garlic

    • Known to detoxify and increase immune function; also decreases platelet aggregation.
    • Commonly used for hypercholesterolemia and mild hypertension (HTN).

  • Ginger

    • Stimulates digestion and has antispasmodic effects, reduces platelet aggregation.

  • Ginkgo Biloba

    • Acts as an antioxidant, a peripheral vasodilator, and increases blood flow to the CNS, possibly aiding memory and cognitive function.
    • Reduces platelet aggregation.

  • St. John’s Wort

    • Functions as an antidepressant and antiviral; helpful for depression, anxiety, and sleep disorders.
    • Effects may take 4 to 8 weeks to manifest; has significant interactions with transplant medications and traditional antidepressants.
    • Is not beneficial for patients with HIV.

  • Milk Thistle

    • Increases liver cell regeneration; acts as a liver tonic.
    • Beneficial in treating cirrhotic disease, slowing progression and improving quality of life.

  • Valerian

    • Acts as a mild sedative and sleep-inducing agent, often referred to as "herbal valium" for anxiety but has a noted "dirty socks" odor.

  • Saw Palmetto

    • Decreases the size of the prostate; advised to be discontinued 1 to 2 weeks before a PSA test, functioning as a "plant catheter".

Potential Hazards of Herbs

  • Not all herbal preparations are safe in all situations. Considerations include:
    • Contamination of products, which can compromise safety.
    • Interactions with both prescription and over-the-counter drugs.
  • Refer to Appendix D for detailed interactions that might occur.

Nursing Process

  • Assessment
    • Obtain a baseline understanding of the patient’s use of unconventional therapeutic agents and practices.
    • Collect complete product information for all herbal supplements used by the patient.
    • Identify all prescription and over-the-counter drugs taken by the patient.
  • Nursing Diagnoses
    • Identify a knowledge deficit regarding the patient's understanding of their therapeutic regimen.

Patient Teaching

  • Use an individualized and culturally appropriate approach when discussing the therapeutic regimen.
  • Utilize open-ended questions to encourage patient engagement.
  • Due to manufacturing inconsistencies, recommend that patients continue using the same brand of herbal therapy and inform health care providers if they consider changing brands or formulations.
  • Educate patients to prioritize informing their health care provider before substituting any herbal product for a prescription or OTC medication.
  • Encourage patients to carefully read labels and adhere to the recommended information displayed on those labels.
  • Teach patients about foods that enhance or diminish the action of specific herbs, including any foods to avoid while taking certain herbs.
  • Advise patients of potential side effects associated with herbal therapies.
  • Counsel patients about symptoms requiring prompt reporting to their health care provider.