as per signs you have mentioned it is indicating that your digestion is not in a regular /normal process...

Have timely three times habituated food. drink water according to your thirst. excess water intake without thirst slow down the absorption. . Add some good lipids in your food like ghee, butter, virgin/ filtered oils ( avoid refined oils to prepare any food) ...so that all vitamins, minerals absorption catalysed during digestion and assimilation. At empty stomach Apply warm sesame oil to whole body by own hands just before bath daily(dont apply during menstruation) . This routine  corrects the digestion and absorption in both routes via skin and digestive system.