What causes excessive crying in newborns? How parents can manage it?

"One of the most common and troubling issue for parents is inconsolable crying in the babies. There are various reason which causes crying in the babies. The common ones are hunger, second is a soiled or a wet nappy, third is a gassy tummy and the fourth is a blocked nose. First two things are easily managed at home. For gassy tummy, colic drops will definitely help, while for a blocked nose, saline nasal drops will help at home only. However if the baby is not responding to the above mentioned measures, then I might be that it is re serious and the baby needs to be shown to a doctor urgently. Sometimes it happens that the baby has some intestinal issues which leads to uncontrollable crying or it is some unnoticed injury that is hidden and causes excessive crying in the baby. In some cases excessive crying is because of some colic pain and despite all the redial measures, it can happen that the baby keeps on crying. The baby will accept feeds and the baby will be highly irritable. However in such patient, there is not much to be done, just wait and watch and it depends on the patients of the parents to keep on trying to console the baby"