The culture came back positive for staph infection. The diagnosis of guttate psoriasis is made by the combination of history, clinical appearance of the rash, and evidence for preceding infection. Skin diseases due to direct infection with streptococcus include:. Psoriasis, especially guttate forms, may be provoked or aggravated by streptococcal infection. Flucloxacillin is more appropriate than simple penicillin as it treats both staph. and strep.
Early lesions, especially vesicles, often have staphylococcal infection, which produces a yellowish crust. Plaques of psoriasis are often found on the extensor surfaces, especially at the elbows and knees and the scalp is often involved. WebMD’s overview of urinary tract infections, including causes and risk factors. Urinary tract infections (UTIs) are bacterial infections in the body’s urinary system — the bladder, kidneys, ureters, and urethra. Scalp Psoriasis. Common causes include Staph folliculitis, modified fungal infection or if the vesicles are grouped herpes simplex. Guttate psoriasis is your main differential diagnosis.