Hi, thank you for posting.
I have gone through your query and I understand your concerns.
In the most common cases Irritable Bowel Syndrome
is treated with Lactifiber, and you can use it because it is a safe medicine.
But you should also take Eucarbon to eliminate gas problems and bloating(indigestion
Foul smelling stool is caused by Giardiasis
. To confirm the diagnosis microscopical examination of is recommended.
Contact your gastroeneterologist and your infectologist.
I hope this information is helpful.
All the best.