Microbio Flashcards
What organism causes acne vulgaris
Propionibacterium- cornyebacterium acnes and cutibacterium acnes
What antibiotics can be used in acne
Topical antibiotics- clindamycin
What is isotretinoin
Oral retinoid- vitamin A derivate
What is the topical treatment for impetigo
Fusidic acid
What is the typical organism behind cellulitis and its treatment
Infection of dermis and subcutaneous tissue. Strep pyogenes, fluclox
What is the typical organism behind necrotising fascitis
Strep pyogenes. Presents with disproportionate pain
What is shingles
Reactiviation of varicella zoster virus in dorsal root or cranial nerve ganglia
Medical treatment for chickenpox
Calamine lotion. If immunocomprised- varicella zoster immunoglobin
Over 12 = acyclovir
What is molluscum contagiosum
Pox virus. young children
Pinkish or pearly white waxy shiny papules with central umbilication does not affect palms or soles
Ix- dermascope
Mx- self-limiting
What are the two types of herpes simplex
HSV-1= oral lesions and cold sore
HSV-2= genital herpes
Treatment for HSV-1
Topical acyclovir
Treamtent for HSV
Oral acyclovir
Eczema herpeticum
Complication of atopic dermatitis. Iv acyclovir
What is rosacea caused by
A parasite
“trail in interwebed spaces” is a buzzword for what
Scabies
What is the Tx for scabies
Permethrin -> malathion
Cause and treatment for scarlet fever
Strep pyogenes and penicillin
Main bacteria behind mastoiditis
Strep pneumoniae
What is the feverpain critieria for tonsilitis
Fever (during previous 24 hours)
Purulence (pus on tonsils)
Attend rapidly (within 3 days after onset of symptoms)
Severely Inflamed tonsils
No cough or coryza (inflammation of mucus membranes in the nose)
Bacterial cause of keratitis
Staph aureus, chloramphenicol or gentamicin
Dendritic ulcers show what
Herpes Simplex virus and give anti-virals
Risk factors for acanthambea
Contact lenses + swimming
What type of discharge is bacterial conjunctivitis
Purulent
Most common bacteria from UTI
E.coli (GI)
Psuedomosas aerginosa (catheters)