2 months old, exclusively bf, no poop for 7 days and has colic :(

My 2 months old baby hasn’t pooped for 7 days and he has colic. Cries when needs to fart. Has colic episode at least 3-4 times a day for about 20 mins. Cries uncontrollably. Very sad to see. Is it normal to not poop so Long? And also any colic remedies? Pls help!