Hello, The bite area becomes erythematous and ecchymotic and may be pruritic. Generalized pruritus may also be present. A central bleb forms at the bite site, often surrounded by an irregular ecchymotic area (bull’s eye lesion). The lesion may mimic pyoderma gangrenosum. The central bleb becomes larger, fills with blood, ruptures, and leaves an ulcer. A black eschar forms over the ulcer and eventually sloughs. Most bites leave minimal residual scarring but some can leave a large tissue defect, which may involve muscle. Symptoms are in severe cases fever, chills, nausea, vomiting, arthralgia, myalgia, generalized rash, seizures, hypotension, disseminated intravascular coagulation, thrombocytopenia, hemolysis, renal failure et cetera. Other insect bites may also be similar to spider bite. Use anti-histamines and anti NSAIDS they are useful to control edema. If symptoms not improved, please consult your physician, he will examine and treat you accordingly. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Penchila Prasad Kandikattu