Hi My Whole Family Have Been Sick For Two Yrs

Hi my whole family have been sick for two yrs with tummy problems bad headaches dizzy sweating and pins and needles color changes on our hands,when we dont feel too good chest pain and all over body pain been tested for h pylori some family members have tested positive for this but dr says this wouldnt cause these problems also constant flemmy throat and painful ears also glands in our neck swell a little and
It feels like our viens in our neck and arms legs hurt weve all lost a lot of wieght also so worried please help