chanomile tea for 2 week old??

since yesterday my baby has been crying at the same time for no apparent reason. ive tried burping her, changing her diaper, rocking her, and nothing works except more feeding...but it’s gotten to the point where i feel im overfeeding her...she might spend 45-60 mins breastfeeding and then i give her an additional 2 oz of formula...shes only 2 weeks old. she does not spit up though...my mom thinks she has colic because her cry is intense and she suggested i give her a little bit of chamomile tea...she says she would give us that when we were babies...has anyone else tried it before on such a young baby?? any other ideas as to what my baby has? is this normal behavior in newborns?? up until now she had been very peaceful and only cried when hungry