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Basic Information
Biological name (genus and species):
Betula alba, B. lenta
Parts used for medicinal purposes:
Bark
Leaves
Chemicals this herb contains:
Betulin in bark
Methyl salicylate (similar to aspirin) in bark
Resin in shoots and leaves (See Glossary)
Tar (creosol, phenol, creosote, guaiacol) in bark
KNOWN EFFECTS
Provides counterirritation when applied to skin overlying an
inflamed or irritated joint.
Decreases inflammation in tissues.
Miscellaneous information:
Leaves have agreeable aromatic odor but bitter taste.
UNPROVED SPECULATED BENEFITS
Is steeped to extract its medicinal properties for rheumatism
and congestive heart failure.
Treats skin disorders when applied topically.
Shrinks tissues.
Treats arthritis.
Prevents secretion of fluids.
WARNINGS AND PRECAUTIONS
Don't take if you:
Are pregnant, think you may be pregnant or plan pregnancy in
the near future.
Consult your doctor if you:
Take this herb for any medical problem that doesn't improve in
2 weeks. There may be safer, more-effective treatments.
Take any medicinal drugs or herbs including aspirin, laxatives,
cold and cough remedies, antacids, vitamins, minerals, amino
acids, supplements, other prescription or non-prescription
drugs.
Pregnancy:
Problems in pregnant women taking small or usual amounts have
not been proved. But the chance of problems does exist. Don't
use unless prescribed by your doctor.
Breast-feeding:
Problems in breast-fed infants of lactating mothers taking
small or usual amounts have not been proved. But the chance of
problems does exist. Don't use unless prescribed by your doctor.
Infants and children:
Treating infants and children under 2 with any herbal
preparation is hazardous.
Others:
No contraindications if you are not pregnant and do not take
amounts larger than a reputable manufacturer recommends on
package.
Storage:
Keep cool and dry, but don't freeze. Store safely away from
children.
Safe dosage:
At present no "safe" dosage has been established.
TOXICITY
Comparative-toxicity rating not available from standard
references.
ADVERSE REACTIONS, SIDE EFFECTS OR OVERDOSE SYMPTOMS
None expected
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