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Table 8-16

HerbUseAdverse Effects/Drug Interactions/Cautions
AloeExternal:
  • Heal burns, wounds
  • Anti-infective
  • Moisturizer
Adverse effect:
  • Contact dermatitis
Internal:
  • Laxative
  • General healing
Adverse effect:
  • Hypokalemia
Caution:
  • Avoid oral use in GI conditions (e.g., inflammation, ulcers, pain of unknown origin)
ArnicaExternal:
  • Inflammation caused by insect bites
  • After muscular and joint injuries (e.g., bruises)
Adverse effect:
  • Toxic skin reaction
  • Avoid use on broken skin
Black cohosh
  • Premenstrual syndrome (PMS)
  • Menopause
Interaction with:
  • Oral contraceptives
  • Anticoagulants (e.g., Coumadin)
  • Hormone replacement therapy (HRT)
Caution with:
  • Estrogen-sensitive cancers (breast, ovarian)
  • Salicylate allergies
  • History of thromboembolic disease
Burdock leaf and root
  • Severe skin problems
  • Arthritis
Adverse effect:
  • Contaminated with belladonna
ChamomileExternal:
  • Topical anti-inflammatory agent (for eczema, hemorrhoids, mastitis, leg ulcers)
Caution with:
  • Asthma
Internal:
  • Indigestion
  • Antispasmodic (irritable bowel syndrome)
Echinacea
  • Immune system stimulant at onset of cold
  • Anti-infective
  • Antipyretic
Interaction with:
  • Immunosuppressants (e.g., cyclosporine, anabolic steroids)
Caution with:
  • Lupus
  • Multiple sclerosis
Evening primrose oil
  • Asthma
  • Diabetic neuropathy
  • Eczema
  • Hyperglycemia
  • Irritable bowel syndrome
  • Menopause
  • Multiple sclerosis
  • Rheumatoid arthritis
Interaction with:
  • Phenothiazines
  • ASA
  • NSAIDs
  • Anticoagulants
  • Antiplatelet agents
  • Anticonvulsants
Caution with:
  • Peptic ulcer
  • Intracranial bleeding
  • Epilepsy
  • Schizophrenia
Feverfew (see also Appendix E)
  • Migraines
Adverse effect:
  • Increase bleeding
  • Spontaneous abortion in early pregnancy
Interaction with:
  • Anticoagulants
  • Antiplatelets
  • NSAIDs
Caution:
  • Do not use before or after surgery
Ginger
  • Antiemetic
  • Colds, flu
  • Headaches
Interaction with:
  • Anticoagulants
  • Antiplatelets
  • Cardiac glycosides
  • Hypoglycemic agents
Caution with:
  • Diabetes
  • Gallstones
GoldensealTopical treatment of:
  • Sores
  • Inflamed mucous membranes
Interaction with:
  • Tretinoins (Retin-A)
  • Anticoagulants
Adverse effect:
  • Causes uterine contractions
Caution with:
  • Women who are pregnant
  • Lactation
Hawthorne
  • Dementia
  • Congestive heart failure (CHF)
  • Angina
Interaction with:
  • Angiotensin-converting enzyme (ACE) inhibitors
  • Anticoagulants
  • Coronary vasodilators
Caution with:
  • Lactation
Melaleuca oil®
  • Topical use for burns
  • Bactericidal
  • Fungicidal
Adverse effect:
  • CNS depression
  • Allergic dermatitis
Milk thistle
  • Liver: hepatitis and cirrhosis
  • Gallstones
  • Psoriasis
Interaction with:
  • Oral contraceptives
Adverse effect:
  • Laxative effect
Nettle leaf
  • Kidney, bladder stones
  • UTI
Caution with:
  • Pregnancy
  • Lactation
PennyroyalExternal:
  • Skin disease
Internal:
  • Digestive disorders
  • Liver and gallbladder disorders
  • Gout
Use not recommended because of hepatotoxicity
Sassafras oil
  • Lice
  • Insect bites
Adverse effect:
  • Carcinogenesis (e.g., hepatic tumors)
Saw palmetto
  • Antiandrogen therapy
  • Benign prostatic hyperplasia (BPH)
Interaction with:
  • HRT
  • Proscar
Senna
  • Catharsis
  • Laxative
Adverse effect:
  • Electrolyte imbalance (decreased K+)
Caution with:
  • Acute intestinal inflammation (e.g., Crohn’s disease, ulcerative colitis, appendicitis)