Hi, Welcome to health care magic, The red raised,warm to touch,little itchy lump could be boil or abscess or might be some insect bite but chances of having something bite is less,so there is no need to be worried about bite. I will keep the possibility of boil or abscess first,but clinical examination would confirm the diagnosis. A boil is formed when oil ducts become clogged and infected with bacteria especially staphylococcus. It would be helpful for me to understand it properly if I could examine it. In case of smaller boils,proper oral antibiotics course (preferably cephalosporins like cefadroxyl or cefixime) will be the best treatment to get rid off it. You can also take cleocin (clindamycin) 300 mg three times a day which is also a good antibiotic in the treatment of staphylococcal boil but it may take at least 3 to 5 days to get rid off, if that boil is smaller in size (less than 3 or 4 cm). After 2 or 3 days of antibiotic course,that boil might start draining of pus, you can let the pus to drain by squeezing it repeatedly and wash it with sterile water until all the pus get cleared or blood starts coming. After that,you can apply any antiseptic over the it and can do self dressing with bandage or gauze piece. In case of larger boils (means more than 3 to 4 cm size),it needs to be incised and drained (I & D procedure) completely under local anesthesia by a surgeon followed by short course of antibiotics. So,at present you should wait for minimum 3 days for antibiotic to work and draining of pus. Hope this information will help you and get back to me with images. Regards,