Phoenix Society for Burn Survivors - Burn Support News 2008 Fall Issue How to Beat the Itch MICHAEL D. PECK, MD, SCD DIRECTOR OF INTERNATIONAL OUTREACH
Almost all of my patients complain of itching at one time or
particularly on the legs, long past the time when the scars are
another. For some, itching starts right away, as soon as the burn
starts to heal. For others, it may wait until one or two months
Topical medications are helpful in some patients.
have gone by. Many patients are troubled by the itching at work
Hydrocortisone ointment can be purchased without a
or school, and many others cannot sleep well at night. For an
prescription, as can Benadryl ointment. Unfortunately, I have
unfortunate few, itching can be so severe as to cause major
had little success with either. More effective are the local
anesthetics, such as Nupercainal or Preparation H. These
If I could offer any simple solutions to this problem, my
ointments, found under the hemorrhoidal preparations in the
patients and I would be much less frustrated. Unfortunately the
drugstore, have local painkillers that are safe to use on the skin.
only certainty I can offer is that, first, itching is a normal
Some patients have also told me that the local application of
response to healing and, second, it will go away with time. This
cold helps; try a bag of frozen vegetables (such as peas or corn)
latter statement is rarely received with enthusiasm, and over the
pressed up against the area of discomfort, particularly before
years my patients and I have found a few methods that lead to
temporary and partial relief. Understand first of all that itching
Systemic medications (taken by mouth) are the next step.
is defined as “an uneasy sensation of the skin that inclines the
Benadryl can be purchased over the counter, either as pills for
person to scratch.” This is subjective, for nobody can tell you
adults or elixirs for children. Ataraz and Periactin are also
how itching feels, nor how severe your symptoms are. It is also
commonly prescribed, and like Benadryl, are histamine blockers.
an uncomfortable sensation that falls somewhere between a
Histamine is one of the chemical mediators released from cells in
tickle on the one hand and a pain on the other. The nerve fibers
the burn scar, called mast cells that are chronically stimulated
responsible for the itch sensation have their endings right at the
during the final maturation phase of healing. The problem with
junction between the two layers of skin, the dermis and the
the older histamine blockers like Benadryl is that they commonly
epidermis. These nerve fibers are identical to those that conduct
cause drowsiness. The newer generation of histamine blockers,
pain messages. So, in truth, itching is a variant of pain.
familiar to those of us with allergies, includes such drugs as
The first step in treating itching is keeping the skin moist. Dry
Seldane and Claritin which do not cause drowsiness in most
skin, especially dry burned skin, is a common cause of itching.
people. Recently we have had good success with Claritin 10mg
This problem can be easily prevented by applying skin moisturizers
on a regular basis, often several times a day. We use creams that
More severe symptoms require the treatment supervision of a
are simple in composition, avoiding those with perfumes or other
physician. Some patients require oral steroids such as prednisone
additives. Lotions should also be avoided because they contain
for relief, but steroids have many side effects and should be used
alcohol to liquefy them, and alcohol can dry the skin. Vitamin E,
with caution. Tricyclic antidepressants such as Elavil can also be
aloe vera, and other natural ingredients are not helpful in my
helpful. Again, these drugs are by prescription only, and should
experience, but neither are they harmful (although they
only be used with appropriate supervision.
significantly increase the price of the moisturizing cream!). Cocoa
Finally, there are many nonpharmacologic approaches to pain
butter is one of my favorites, especially the solid stick form. Crisco
and itch management. Acupuncture, aromatherapy, hypnosis,
shortening (in the tub, not the oil) is also very effective.
meditation, and many other techniques may offer relief. We
The second step is ensuring that pressure garments are applied
have had experience with scar massage therapy by a licensed
appropriately by a professional. Many burn centers advocate
massage therapist, and have documented in prospective studies
pressure garments to minimize scar formation, but in addition
that scar massage reduces itching discomfort.
they can also provide relief of local symptoms of discomfort in
Management of burn scar itching continues to be a challenge
the burn scars. By squeezing the scars and reducing the amount
for health care providers. If you have stumbled upon treatment
of blood in the vessels and fluid in the tissue, pressure garments
or technique that has been successful for you, please contact me
can make burn scars, especially on the extremities, easier to live
in care of the Phoenix Society so I can share your findings with
with. Some of our patients continue to use their garments,
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