I have an itchy red rash on my stomach. i work outside in the heat and have recently changed my body wash and it is quite fragranced. ?

? fungal infection: however, one cannot tell from your breif description, but working outdoors in summer, sweat and dampness favors fungal infection, keep the area dry as much as you can, change the underwear often, use OTC clotrimazole cream, read the labels carefully, might take few weeks to get better, if no improvement see your doctor, good luck