Steam is a good quick fix too.
Hot bath, heating on full in the bathroom to help promote the steam, and let it work its magic on the airways.
Or the other way is to inhale steam from a bowl of very hot water with a towel over the head to keep the steam concentrated in one area.
Hope these help. xxx
for babies, gripe water, chamomile mixture, My godson suffered from colic as a baby and I used to lay him face down on my lap and rub his lower back in a circular motion which helped