Ch 6 Pharm
Herbs and Dietary Supplements
Terms in this set (37)
What is Complementary and alternative medicine (CAM)?
comprises an extremely diverse set of therapies and healing systems that are considered to be outside of mainstream health care. Used by many patients for disease prevention and self-healing. They focus on the holistic treatment of each patient, integrate mind and body, and are often used in conjunction with conventional medical therapies.
What are common characteristics that CAM systems have?
*Focus on treating each individual person
*Consider the health of the whole person
*Emphasize the integration of mind and body
*Promote disease prevention, self-care, and self-healing
*Recognize the role of spirituality in health and healing
What are herbs?
plants with a soft stem that is used in healing or as a seasoning
What are specialty supplements?
nonherbal dietary supplement used to enhance body functions.
What are dietary supplements?
nondrug substances regulated by the DSHEA (Dietary Supplement Health and Education Act)
What are botanicals?
a plant extract used to treat or prevent illness; has been recorded as being used in the treatment of disease for thousands of years.
Where are the active ingredients in an herbal product found?
may be present only in one specific part of the plant or in all parts.
Do modern drugs and herbs contain only one active ingredient?
Most modern drugs contain only one active ingredient. Each herb, however, may contain dozens of active chemicals.
What are two basic formulations of herbal products?
solid and liquid
What forms do solid herbal products include?
pills, tablets, capsules, salves and ointments
How are liquid formulations made?
by extracting the active chemicals from the plant using solvents such as water, alcohol or glycerol. Liquids are then concentrated in various strengths. Liquid formulations include: tea, infusion, decoction, tincture, extract.
What is a key concept to remember when dealing with alternative therapies?
natural doesn't always mean better or safe. Some herbal products contain ingredients that may interact with prescription drugs and may result in adverse effects.
What law regulates dietary supplements?
the Dietary Supplement Health and Education Act of 1994 (DSHEA)
What are the weaknesses of the DSHEA?
DSHEA loosely regulates herbal and dietary supplements. They can be marketed without any proof that they are safe or effective. They do not have to be tested prior to marketing. The labels list ingredients but may contain statements that are inaccurate or unproven.
What is one strength of the DSHEA?
it give the FDA the power to remove from the market any product that poses a "significant or unreasonable" risk to the public.
What steps have been taken to address the lack of purity and mislabeling of herbal and dietary supplements?
Congress passed the Dietary Supplement and Nonprescription Drug Consumer Protection Act in 2007. Companies are now required to include contact information on product labels for consumers to report adverse events. Companies must notify the FDA of any serious adverse event reports within 15 days. Also in 2007, the FDA announced a final rule that requires manufacturers to evaluate the identity, purity, potency, and composition of their products. Labels must reflect what is in the product and must be free of contaminants.
If a patient is on warfarin (Coumadin) therapy, which herbs are important for the nurse to assess use of?
Ginseng, Ginger, and St.John's Wort
Patients often use herbal therapies for what reason?
to increase feelings of wellness and promote holistic treatment
Why is it important for patients to receive education regarding herbal products?
Labeling is not always reliable and herbal products should be used with caution.
Give an example of a specialty supplement:
Why is it important for the nurse to assess for use of CAM therapies?
CAM therapies could interact with prescription and OTC medications
What are specialty supplements used for?
treatment of a targeted condition
What is the DSHEA responsible for?
ensuring that herbal products are labeled as "dietary supplements"
If a patient is admitted with digoxin (Lanoxin) toxicity, which herbal product is the nurse going to assess for?
Which supplement would be identified as treatment for arthritis?
Chondroitin and glucosamine
Which herbal product is commonly used to enhance the immune system?
the woody tissue of a plant, such as the stems or bark.
Why did interest in herbal medicine begin to wane with the rising of the pharmaceutical industry in the late 1800's?
Synthetic drugs could be standardized and produced more cheaply.
What are major factors contributing to the recent increase in popularity of botanicals?
*Herbal products are more widely available to the public.
*The herbal industry has aggressively marketed its products
*Herbal products cost considerably less than most prescription medicines.
Products intended to enhance the diet (botanicals, vitamins, minerals), that are not already approved as a drug by the FDA are defined as?
What is a legal requirement contained in the DSHEA?
Dietary supplements must state that the product is not intended to diagnose, treat, cure, or prevent any disease.
What statement would most likely NOT be allowed on the label of a dietary supplement?
Reduces blood pressure and the risk for stroke (must say things such as "helps" or "may")
Which popular herb is used for its possible benefit in treating depression?
Why would a nurse be most likely to recommend saw palmetto?
relief of urinary problems related to prostate enlargement
Why would a nurse likely recommend Black Cohosh?
to relieve premenopausal and menopausal symptoms
Patients taking anticoagulants should be advised not to take which herb?
The nurse should advise a patient not to take which herb if they are taking central nervous system (CNS) depressants?