Ma Huang
(Ephedra Sinica)
General
Description: A evergreen plant with a pine like odor.
Part used: Components
of the seeds and stems
Uses:
colds and allergies
appetite suppressant (weight loss)
enhances energy
asthma &
bronchitis
fever, chills and flu symptoms
Action:
Primarily acts as the body's own epinephrine (adrenaline). However,
it is weaker. It produces bronchodilation, similar to most beta2
agonists. It also produces cardiovascular effects similar to beta1
receptors. It causes appetite suppression and increases metabolic
rate.
Dosage: 15-30
mg of total alkaloids of ephedrine, with max dose
of
300mg/day.
Tea - one cup/3times/day
Tincture - (1:1) given 5
gms per dose.
Extract - 1-3 ml 3
times/day
FDA prohibits the sale of ephedra in quantities of 8 mg or more per
dose. They advises to take less than 8 mg every 6 hours with no more
than 24 mg daily. They also advise that it should not be taken no
more than 7 consecutive days.
Precautions/Adverse
Effects: Misuse can cause deaths. Also can lead to
hypertension, nervousness, insomnia, palpitations, hyperglycemia,
and anxiety. These side effects are
dose-dependent.
Interaction with other
Drugs: Theophylline, digitalis, diabetes therapy, steroids, cardiac
drugs.
Contraindications: In pregnancy due to
uterine activity. Also in individuals who suffer from anxiety,
anorexia/bulimia disorders, hypertension, heart disease and diabetes.
Nursing Considerations:
Warn
patients with heart disease, high BP, thyroid disease, and diabetes to not
use.
Warn patients if they are on MAOI medications
that Ma Huang should not be used, as well as St. John's Wort that also
produces MAOI activity.
Patients should not use for more than seven
days.
The potential for misuse, overuse,
abuse of Ma Huang has led to serious consequences and even death. The
FDA has found more than 800 cases, including 17 deaths, from adverse
reactions.
(References)