SN instructed caregiver that Floranex has been used as a probiotic to aid in digestion, to prevent diarrhea, and to relieve symptoms of irritable bowel syndrome. This medicine may work by helping the body maintain normal consistency of bacteria in the stomach and intestines. You should not use Floranex if you are allergic to soy products or if you are lactose intolerant. To make sure you can safely use Floranex, tell your healthcare provider if you have asthma or allergies. Get emergency medical help if you have any of these signs of an allergic reaction: hives; chest tightness, difficulty breathing; swelling of your face, lips, tongue, or throat. Less serious side effects may be more likely, and you may have none at all.