Tongue tie will not give such symptoms but some other issue could be there with his feeding or digestion it is better to consult a paediatrician and get your baby checked clinically before taking any measures.
MBBS, Diploma in Child Health (DCH), DNB (Pediatrics), MNAMS (Membership of the National Academy), MRCPCH, Certificate in GI Endoscopy
Post surgical pain could be disabling at times, but the joy of becoming a mother should help you overcome the pain. Congratulations on the new arrival! your baby needs your feed. Only you can overcome the pain with your will power.
When child can not take out the tongue and have spongy franum below tongue to connect base of pharynx we call it tongue tie. Well if you thing child doesnot speek because of tongue tie. You are wrong. Because we do not speak by tongue. Tongue is for taste and propell the food backwards.
Diploma in Child Health (DCH), F.I.A.M.S. (Pediatrics)
You have not mentioned birth wt. however, your appears premature born by about 8 weeks and could not breath just after birth necessiating him to keep in NICU. If mother's nipples are normal and baby is able to suck, go on keeping him on breast for some time and then give him breast expressed milk with spoon. If it does not work, consult pediatrician particularly for neurologial assessment too.