Since the product commercialized in the USA with the trademark XIFAXAN® containing rifaximin foresees the administration of a 200 mg tablet every 8 hours for the treatment of the “traveler's diarrhoea”, it can be deduced from the aforesaid that the approved administration schedule does not gua...
The obtained mixture can be divided in bags containing a quantity of rifaximin between 1 mg and 3000 mg, preferably between 50 mg and 800 mg. The obtained gastroresistant microgranules of rifaximin can be directly compressed in tablet after having mixed with appropriate excipients such as diluents...
For pharmaceutical samples, ten Gastrobiotic-coated tablets® (200 mg per tablet) were weighed and powdered. Then, a suitable amount of the prepared powder (nearly equivalent to 50 mg of RFX) was accurately weighed. The weighed RFX powder was extracted by adding 50 mL of absolute ethanol, ...