its been more than 4 months......there's the symptoms of stomach ache...sneezing and coughing at the interval of 3-4 days ....crawling sensation in feet......mebendazole gives relaxation only for 2-3 days.....all reports...ultrasound,stool & urine test..,t3 & t4 test...blood test...all are negative......doctors are not able to find the exact root of symptoms.......can anyone help me????