I get bitten all the time by what I assume must be midges, and in summer I am constantly scratching at myself. I come up in smallish, itchy red weals that swell up and leave a scab that drops off after a few days. I even get them on my bum, although it's mainly on my exposed bits like chest and hairline. No-one else seems to get them, and although they don't bother me particularly, they are unsightly. Is anyone else prone to this?? Thanks in advance.