Common Viral Skin Condtions W10 Flashcards
Bulla
a fluid-filled sac or lesion that appears when fluid is trapped under a thin layer of your skin
Macule
a circumscribed, flat lesion with color change up to 1 cm in size that is not palpable
Papule
a solid or cystic raised spot on the skin that is less than 1 centimeter (cm) wide
Nodule
a circumscribed, elevated solid lesion with depth up to 2 cm
Petechia
may look like a rash, but they’re not. These pinpoint red dots on the skin are caused by broken capillaries
Pustule
skin lesions formed by a collection of leukocytes (predominantly neutrophils) within the epidermis or superficial dermis.
Vesicle
tiny-to-small fluid-filled blisters
Roseola Infantum : viral or bacterial, how spread, incubation period and rash presentation
Human herpes virus 6/7
Affect kids 6month-3yrs
by the fluids that are coughed or sneezed into the air - direct contact
After exposure its 5-15 days
One rash appears the person is usually no longer infectious
Start at torso and spread to neck, face, arms and sometimes legs. Pinkish/red spots that are slightly raised and surrounded by a pale ring/halo. May blanch, non-itchy, lasts 2-3 days then fades
Glandular fever : viral or bacterial, how spread, incubation period and rash presentation
Epstein-Barr virus - part of herpes virus family
Contact with infected saliva - called kissing disease
4-6 weeks
Not always a rash, red and flat spots and small raised bumps, trunk, arms and legs, non-itchy
Chicken pox : viral or bacterial, how spread, incubation period and rash presentation
Variacella-zoster virus - part of herpes virus family
Airborne transmission and direct contact
Contagious 1-2 days before rash appears and remains contagious until blisters have crusted over
10-21 days
Face, scalp and trunk, small red spots or bumps that turn into fluid filled blisters, itchy
Shingles : viral or bacterial, how spread, incubation period and rash presentation
Variacella-zoster virus - same as c.pox
Direct contact and not by airborne
a person with shingles can infect someone who has never had chickenpox or who has not been vaccinated against it, potentially causing them to develop chickenpox
Incubation usually occurs years after having chicken pox, 2-3 weeks after reactivation
Burning and tingling before rash appears on one side of body, red patches appearing in a stripe along one side often torso or face and is localised, blisters will merge and get ingredients with clear fluid
German measles : viral or bacterial, how spread, incubation period and rash presentation
Rubella virus
Airborne transmission and direct contact and vertical transmission
14-21 days
Start on face then spread down, small pink/red spots that may merge into patched, non-itchy, appear 3-5 days, leave s brownish tinge after
Measles : viral or bacterial, how spread, incubation period and rash presentation
Measles virus
Airborne, direct contact
10-14 days
Before rash is fever, cough, runny nose, small white spots with a bluish centre surrounded by a red ring inside cheek 2-3 days before rash. Start on face and spread down, red blotchy spots that may merge and are raised and ca sometimes look purplish.leaves a brownish pigmentation after
Cold sores : viral or bacterial, how spread, incubation period and rash presentation
Herpes simplex virus
Direct contact
2-12 days
Typically around lips but can be nose, eye and genitals. Before the sore there is a tingling/ithcy or burning sensation. Small fluid filed blisters that are clustered and painful surrounded by red inflamed skin. Create painful ulcers when burst
Slapped cheek syndrome : viral or bacterial, how spread, incubation period and rash presentation
Parvovirus
Airborne and direct
4-14 days
Before rah is fever, fatigue, headache. Begins on cheeks giving a flushed appearance, extend to rest of face. A lacy rah can appear on arms,legs and trunk in a net like pattern. Often itchy
