I have been suffering from regular itching around नाभि  and whole body since last few years .it happens only in summer time every year specially in the night time during sleeping.skin becomes red dotted after continuous itching and it does not let me sleep.i take regular bath with lux soap & Dettol water two times a day ,my body relaese very less sweat except underarms. I am very worried doctors please advise me some suitable treatment. Thanking you all