The medicinal herb echinacea,
commonly used to stimulate immune function and combat viral infections, is
generally safe. When used in recommended doses by healthy adults, echinacea is
unlikely to cause serious side effects. However, like all medicinal herbs,
echinacea can cause some side effects and drug interactions. There are a few
echinacea contraindications-- circumstances under which the herb should not be
taken.
Do not
use echinacea if you fall into any of the following high-risk categories.
Pregnant Women
Preliminary
evidence suggests that echinacea is safe for short-term use during pregnancy,
but no well-designed, large-scale studies have proven this. Midwives and
obstetricians generally err on the side of caution and regard pregnancy as an
echinacea contraindication. In theory, echinacea can trigger contractions in
the uterus, leading to preterm labor or miscarriage. It could also cause birth
defects when it is used early in pregnancy, but no studies have confirmed or
refuted this hypothesis.
Children Under 2 Years of Age
No
studies have evaluated echinacea's safety in babies and toddlers under age two,
and it's unclear if echinacea can be harmful to young children. Side effects
may be more common in babies, who are generally more susceptible to problems
caused by herbs and medications. There is also no evidence that echinacea works
for young children. In general, echinacea is recommended only for children
above two years of age.
People with Autoimmune Disorders
Because
echinacea stimulates the immune system, it can worsen the effects of
auto-immune disorders-- conditions in which the body's immune system attacks
its own healthy cells. If you have an autoimmune disease such as rheumatoid
arthritis, multiple sclerosis, lupus, or psoriasis, you should not use
echinacea. Report any changes in your symptoms to a qualified health care
provider.
People who Are Allergic to Echinacea
Echinacea
is a member of the daisy family, which includes common allergens such as
ragweed and chrysanthemum. Although many people with allergies to ragweed can
safely take echinacea, others may experience an allergic reaction. If you
believe you are allergic to echinacea, it is best to avoid any supplements made
from the herb. Use it with caution if you have an allergy to ragweed or
chamomile.
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