Encyclopedia of Medicinal Plants Uses and Identification
- Ulex europaeus
- Ulmus americana
- Ulmus pumila
- Ulva compressa
- Ulva linza
- Uniola paniculata
- Urena lobata
- Urtica dioica
- Urtica urens
- Utricularia bifida
- Utricularia caerulea
- Utricularia foliosa
- Utricularia gibba
- Utricularia minor
- Utricularia subulata
- Utricularia vulgaris
- Uvularia perfoliata
- Uvularia sessilifolia
Usage: Used for eye problems.
effects: Side effects may include
confusion, headache, tearing, itching, redness,
vision problems, sneezing, nausea, toothache,
constipation, cough, trouble breathing, trouble
sleeping (insomnia), sweating, and others.
- Claimed to: cure HIV, cancer, viral infections (such as herpes simplex), tremors, fever reduction, high blood pressure, Alzheimer's disease, chronic fatigue syndrome, and almost everything.
- Preparation: The inner bark and/or root of is/are used to make liquid extracts, capsules, and teas. Preparations can also be applied to the skin.
Popularity: Cat's claw was ranked as
the seventh most popular herb in U.S. sales in .
Research: There is not enough
scientific evidence to determine whether cat's
claw works for any health condition.
- Beneficial effects:
in humans have shown a possible benefit of cat's
claw in osteoarthritis and rheumatoid arthritis,
but no large trials have been done.
studies, cat's claw stimulates part of the
immune system, but it has not been proven to
reduce inflammation or boost the immune system
Institute on Aging funded a study that looked at
how cat's claw may affect the brain. Findings
may point to new avenues for research in
Alzheimer's disease treatment.
- Harmful effects:
- It may have an unwanted effect on blood pressure.