Thanks for your query.
in a commonly seen in babies ,it usually starts by 3 to 4 weeks of age and persist till 3 to 4 months.
Relax,there is nothing to worry.
Keep baby in prone position but not unattended.
Do burping for 10 to 15 minutes after feeds.
Do gentle massage
Keep warm towel over abdomen.(be careful)
Drops like neopeptin can be used after consultation with your doctor/
Wishing your baby good health.