 [ Symptoms ] there is a large rash on my leg after getting several mosquito bites i am sensitive to bug bites   should i be worried [ Disease ] i would monitor the rash and if it appears to be getting worse    warm to touch swollen or spreading    you will need to go to the doctor for evaluation since you are sensitive to these types of bites have you considered applying a topical product before you go out to avoid bites there are a variety of different products on the market in various forms there are even some sunscreens that now contain repellents