My neck bitten by insect during raining time somewhere. now it become red rashes, tiny pimples (look like summer gahmoria type) and two black dot seems between red rushes around in my neck. if I am itching then it spreading.. it not painning to me if I work but if touch then it's painful . today it 3 day I am using cream for " clotrimazole, beclomethasone,  neomycin sulphate cream surfaz-sn" any home made remedies should I apply on it.