It appears you're experiencing diarrhea. Loose stools can lead to dehydration, so be sure to drink plenty of water. Consult a doctor if symptoms persist for several days.

This is a type 3 stool, resembling a sausage shape with some cracks. The color is very dark brown and appears to be of moderate volume. No specific flags like mucus or blood are observed. Given your lactose intolerance, be mindful of dairy consumption.

This is a normal brown, sausage-shaped stool. There's a bit of foam this time, but overall health appears good. Consider increasing fiber intake.

This is a normal brown stool, corresponding to Bristol type 3. It appears somewhat fragmented with slightly blurred edges and some foam. Your overall health score is good, but it's advisable to review your diet to understand the cause of the foam.

Your stool is soft blobs, type 5 on the Bristol scale, and yellowish in color. This is generally within the normal range. However, if you experience frequent changes in color or diarrhea, it's advisable to consult a gastroenterologist.