Eczema, reflux, colic, diarrhoea and even constipation may be caused by an underlying milk allergy.

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Dubai Millennium was attempting to recover from colic surgery after falling ill at Dalham Hall Stud in Newmarket.

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Lewis' mother died from colic six weeks after he was born and his owners could not look after him.

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When he died from colic 15 years later he was buried with full military honors, while his skin was preserved.

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Indeed, months of crying and sleeplessness can take a huge toll on the family, whether it's due to reflux or colic or another cause.

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Not one of my babies had colic or any digestion problems, .

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"You can talk to parents 25 years later and they'll remember it like it was yesterday, " says Barry Lester, director the Colic Clinic at Brown University's Center for the Study of Children at Risk in Providence, R.

WSJ: Is It Colic -- or Is It Acid? Pediatricians' New Rx

This is known as renal colic.

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