might be a growth spurt as it usually happens during 8-9 months teething might be another reason..just relax the more you keep calm the more baby will be at ease..if he showing signs of teething then i suggest gum massage ...

Either teething or tummy problem.

thn i guess he i.s teething..give carrots,cold spoon,teethers,sterlized napkin to chew on..willl feel better

yes

Is he biting hard on everything?? And being very clingy??