Welcome to Ask The Doctor.
Lactose intolerance is the inability of adults to digest lactose.
Most people normally cease to produce lactase, becoming lactose intolerant, after weaning, but some people have developed lactase persistence, in which lactase production continues into adulthood.
Lactase deficiency is classified as one of three types:
1. Primary Lactase deficiency
2.Secondary, acquired, or transient lactase deficiency
3.Congenital lactase deficiency
But you have to be sure that you really have lactose intolerance or not. It might be simply Acid peptic disease that can be the reason behind these symptoms.
So, get tested and be sure for this.
I hope it helps.
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