Toddler having colic. Plz help me out.

My 22 month old baby has tummy ache ...I can say colic once in every week... Or I can say 4 5 times in a month...she cries inconsolably fr 1 or 2 hours... I give her colic aid ... And then she gets to normal... She was colicky baby from birth ..having severe colic every other day... Everyone used to tell me it is upto six months ..and she vl b fine... But now she is going to b two years old ...but colic is still there... I cn say frequency has changed... Now she gets it after 8 to 10 days ..but that is so severe ... I went to many pediatrician but all r giving colic aid ... Or neopeptine... I dnt knw whr the prob is... I want to ask u docs here... Can colic occur in 2 year old as well ... I am getting worried ...I did her usg as well... It was all normal... Plzzz help me out ...