Skin infection

Hi all...wonder if anyone encounter the same issue as me? I am currently at wk 17 and the skin infection started from small red bump around my belly area. About 10 days have pass, and it become red patches as shown. No sign of fever, cough or flu. Just itchness when touch the affected area. Doctor at kkh and also raffles had prescibe me w chlorphenriamine. No lotion to apply. Help please🥶🥶🥶