Lactosis failure is about.

As bad enduring are milk, milk products, in low activity or deficit bowel s ferment lactose.As she splitting in a thin bowel is discharged lactose's, is milk sugar as on mono sugars glucose and galactosis, are absorbing in blood, as she having in whole milk, milk products, as in failure her are non digesting milk sugar enters in thick bowel, which depositing on bacterias with a milk and vinegar acids, oxygen and double carbohydrate oxygen, these are leading to diarrhea's, as in attaching is water in thick bowel, rising her containing and rising her mobility.
These are three type her failure are inborn as first, second in celiacia, Crohn s  disease, constitution failure in an natural lowering activity process are ferments after breast feeding to mixed.
Symptoms are diarrhea after milk drinking whole, or mixture of her, ache belly, noises, gases,after stopping drinking symptoms are stopped, but first failure having since baby s ages are foam liquid stool, with sour smell, noises with, cry after feeding with belly aches,as in constitution failure are slowly beginning since 6 months till 3 y.old, second failure as leaving,after a curing a base disease.
As doctor will test you on lactose enduring are glucose concentration i the blood, oxygen in air breathing, as oxygen breathing test, as for failure are absence adequate as more on 1.5 times rising concentration of glucose in the blood, rising oxygen more on 0.1 mm/min in breathing air.

Cure are remedies with lactase, microflora normalizing, lowering meteorism and by your chronic diseases having, enduring, condition.
And diet.
As first of all are using sour milk products are in Constitution and second failure, they are less milk sugar having,than in whole milk, if not helping using lactose free diet are avoiding whole milk and sour milk, as using lactose free of nutri soy, pepti junior, soy semp, frisosoy, humana SL, AND LOW LACTASE ARE NUTRILON, MILK S MIXTURES.
Cheese is not lactose, as in fatness curd, thus eating are just older children's, like calcium source, as in adults are needing eating sour milk, if not help,thus eating lactose free milk, and milk products of her are margarine, ice cream, cheese, baby s mixtures, but today are using drops for splitting lactose, are three drops in milk and infused for three hours will split lactose till rending components are glucose and galactolosis, are of manufactured milk in meal eating are full absorbing in bowel.

Ferment remedies of lactose's are tilactasa.

for bowel s microflora are bactisubtil, bifiform, chilac forte, enterol.

lowering meteorism are junienzyme, meteospasmin, pepfyze, simeticon, coil activated black, dill, fennel.