THURSDAY, April 12 (HealthDay News) — A new report says there is
little evidence that over-the-counter insect bite remedies actually
work.
In addition, most reactions to insect bites are mild and don’t require
any treatment, according to the evidence review in the April issue of the
British journal Drug and Therapeutics Bulletin.
When insects such as mosquitoes bite a person, the saliva they inject
can cause a reaction. In a few cases, this can lead to infection, an
eczema flare-up or even anaphylactic shock.
But most insect bites cause only a mild reaction involving itching,
pain and swelling, as well as secondary problems caused by scratching the
bite. Many over-the-counter products are used to treat these issues.
Antihistamines are widely recommended to ease insect-bite-related
itching, but there’s no proof that this is effective. That’s also the case
for steroid creams and tablets to treat itching and inflammation caused by
insect bites.
Creams that contain painkillers, anesthetics, antihistamines or
antiseptics are “only marginally effective and occasionally cause
sensitization,” according to the review.
There is some evidence to suggest that diluted ammonium solution may
help relieve itching or burning, but there is little evidence that
antiseptics or astringents are effective, the reviewers said.
“There is little evidence for the efficacy of treatments for simple
insect bites,” the reviewers said. “The symptoms are often self-limiting
and, in many cases, no treatment may be needed.”
More information
The U.S. Food and Drug Administration has more about bug bites and stings.
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