What type of electrolysis is being used? Are those tougher hairs dense? What do you use now? Have you talked to your electrologist about it? Maybe this area is being overtreated, especially if the hairs are coarse.
The best thing is to keep the area dry and clean, to minimize makeup until it heals, and to jsut use witch hazel a few times a day. You can also ice the area to reduce swelling.