Taking Rifaximax can help improve the symptoms and delay the recurrence of the disease. However, it is not sure whether it will cure the disease completely or not. It has been shown that Rifaximax can help improve the symptoms such as diarrhea, abdominal pain and discomfort. Consult your doctor for exact details on the treatment of IBS.

Usually Rifaximax does not cause weight gain. However, in case you feel there is an increase in weight, you should consult your doctor to determine the reason of weight gain.

Yes, Rifaximax can be taken orally with or without food with a glass of water. Take it as prescribed by your doctor. Do not take it for a longer time than your doctor ordered.

Rifaximax usually starts acting within 24 to 48 hours. The symptoms like diarrhea improve gradually after you start taking this medication. Usually, taking Rifaximax for 2 weeks relieves the symptoms of IBS. Moreover, it has also been seen that this 2-week course of Rifaximax provides relief for up to 10 weeks even after stopping the medication.

The duration for which you may need to take Rifaximax will depend upon the disease being treated. If it is prescribed for treatment of travelers diarrhea, it is usually given for 3 days. When given for irritable bowel syndrome, it is usually given for 14 days.

In liver disease, there is an increased growth of bacteria in the intestine which increases the load of toxins travelling through the body. This further increases the possibility of toxins reaching the brain which can cause abnormal brain function. Rifaximax slows down the growth of bacteria in the gut, decreasing the symptoms in cases of liver disease.