What is the solution if there is long constipation with slight pain on the back near lumber vertebre and redness on the face.?

That depends..: ....On the age of the patient, the circumstances, and the diet. As with any most problems, the solution is often determined by the cause. If the problem is diet, change the diet. If the problem is insufficient water intake, drink more. If the problem is an underactive thyroid, that will require investigation and hormone replacement. The list goes on.