Bacterial skin Infections
Bacterial skin infections are common dermatological problems
Pyogenic infections are caused by mostly by Staphylococcus aureus & streptococcus pyogenes.
Most of the pyodermas are more frequent during summer & rainy seasons.
Pyogenic infections on a normal skin is called primary pyoderma, while infection over a pre-existing skin disease is called secondary pyoderma.
Staphylococcal skin infections
Boil / furuncle
TSS ( Toxic Shock Syndrome)
SSSS (Staphylococcal Scalded Skin Syndrome)
Sycosis barbae / vulgaris
Drug of choice
Flucloxacillin ( 500mg/250mg cap.) 50 mg/kg/day in divided doses.
1 tsf=125mg duration of treatment : 5- 10 days
Rifampicin (cap. Rifampicin 450 mg 1+0+0 for 2-4 weeks)
Apply 2-3 times daily
Fusidic acid cream/ oint.
Silver sulfadiazine cream,Neomycin + Bacitracin zinc oint.P.P wash(KMnO4) Povidone iodine solution/ gargle & mouth wash/cream/ointment
Streptococcal skin infections :
Drug of choice
Corynebacterial skin infections
Drug of choice : Azithromycin, Erythromycin
Gram negative folliculitis
Drug of choice : Quinolones,
3th & 4th generation cephalosporins, Gentamycin
What is Anthrax?
Anthrax is an acute infectious disease caused by the spore-forming bacterium Bacillus anthracis. This rod-shaped microbe grows in soil, where it can be ingested by sheep, cows, horses and goats. Anthrax most commonly occurs in warm-blooded animals, but can also infect humans.
Large, Gram positive, non-motile rod
Nearly worldwide distribution
Over 1,200 strains
Animal to human transmission is common paticularly cattlemen,woolsorters,tanners,,butchers,
workers in goat-hair industry.
Human to human transmission has occurred from contact with dressings from lesions
Cutaneous Anthrax: Curative with
Tab.Ciprofloxacin(500mg) 1+0+1 for 60 days
Cap.Doxicycline (100mg) 1+0+1 for 60 days.
(If no systemic involment,no head neck involvement, no significant edema and children below 2 yr are not included)
Others : Penicillin