tinea cruris.pdf

Tinea cruris or jock itch

1. Tinea cruris or jock itch
More commonly occurs in men
than women. Tinea cruris may
be exacerbated by sweat and
tight clothing (hence the term
"jock itch"
Tinea cruris on the groin of a man

2. the feet are also involved. The theory is that
the feet get infected first from contact with the
ground. The fungus spores are carried to the
groin from scratching from putting on
underclothing or pants. The infection
frequently extends from the groin to the
perianal skin and gluteal cleft.

3. The rashes appear red, scaly,
and pustular, and is often
accompanied by itch

4. Predisposing factors for tinea
cruris include:
•Occlusiveclothing
•Obesity
•Excessive sweating
(hyperhidrosis)
•Diabetes mellitus
•Topicalsteroiduse.

5. What causes tinea cruris?
Trichophyton rubrum
andEpidermophyton floccosum.

6. •Tinea cruris usually begins in
theinguinal(groin) skin fold
on one side which can evolve
to become abilateralbut
characteristically asymmetrical
rash.

7. •The rash can extend down
the inner aspect of the thigh
or to the lower abdomen and
pubic area.
•Involvement of the buttocks
andperineummay be seen
but there is typically sparing of
the penis, scrotum, andvulva.
•Tinea cruris is usually itchy.

8. How is tinea cruris diagnosed?
in the clinical setting of an
asymmetrical scaly rash in the
groin and confirmed on a skin
scraping

9. •Topical antifungal medicationsuch as
imidazole orterbinafine
•Oral antifungal medication for extensive
orrecalcitrantinfection, particularly
inimmunosuppressedpatients
eg,griseofulvin, terbinafine,itraconazole