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Patients suffering from physical hives have a physical
trigger such as heat, cold, pressure, water, or exercise. If heat is
the trigger, you get heat rash hives. Such
hives rashes are very itchy in nature.
Heat rash hives are
usually caused by a sudden increase in body temperature, which could
come from hot showers, exercise, spicy foods, or from being under too
many covers in bed at night. Strong emotional feelings and stress may
also cause hives to occur in some people.
These hives are characteristically small in size, i.e.
equal to the size of a pinhead. However, these small rashes may group
together into larger hives with the passage of time. Occasionally,
these rashes can be associated with more severe symptoms, i.e. asthma
symptoms, low blood pressure, etc. Recent studies have shown that
perspiration also plays a very important part in triggering heat
rash hives.
Heat Hives
Cholinergic or heat hives is a typical form of chronic
hives, caused by an abrupt increase in body temperature. They can be
itchy or cause a burning sensation, and the patient may feel the desire
to scratch them. If scratched viciously, the situation may aggravate
and the itchiness can become more severe. Applying cool compresses,
prickly heat powders, and taking cold showers can relieve the burning
sensation. Applying calamine lotion is also useful. Usually, heat hives
vanish within a few hours after occurring without requiring any
specific treatment. However, if the situation is aggravated and
itchiness is accompanied by any other symptom, it is advisable to
consult a doctor.
Heat Hives Pictures
You can find a plethora of heat hives pictures on the
internet. They
are helpful in identifying whether you are experiencing this type of
hives. Most of the time, the rash disappears on its own, especially
once the source of heat has been removed from the patient. Individuals
who suffer from heat rash hives may find relief by applying cold
compresses or ice packs on the affected area. Aloe vera gel and
calamine lotion may also provide soothing relief.
P.S. (from
Dr. Gary M. Levin, M.D. & Surgeon)
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