My three month old baby is crying continuously for stomach ache

A. it's the colic. Gas issue is common can cause discomfort to baby . For best give only mother milk to baby , avoid use of bottle feeding or formula milk . burp baby after every feed for 20 minutes by keeping baby upright on shoulder.for relief can do cycling motion of the legs and also massage tummy gently in morning . Can be given gastica drops 1ml to baby for gas. Colicy pain is worse at night time and and makes the baby cry whole night and disturb sleep . give drops meftal spas or colicaid 0.5 ml at evening or night time . If persistent cry immediately see a doctor.