Rifafast-400 Tablet belongs to the group of medicines called 'antibiotics' or 'antibacterials' used to treat infectious traveller's diarrhoea (in adults and children above 12 years of age) caused by E.coli bacteria, hepatic encephalopathy (decreased brain function due to liver disease) and irritable bowel syndrome with diarrhoea (IBS-D). Traveller’s diarrhoea is an infection in which there is a passage of unformed stools. Hepatic encephalopathy causes loss of brain function when a damaged liver is unable to remove toxins from the blood. Irritable bowel syndrome is a condition which affects the large intestine. 

Rifafast-400 Tablet contains ‘Rifaximin’ that works by working on the bowel and preventing the spread of infections caused due to the loss of the beneficial gut bacteria.  Thus, Rifafast-400 Tablet helps in relieving abdominal pain and diarrhoea. Rifafast-400 Tablet should not be used in the patients with diarrhoea complicated by fever or blood in the stool and diarrhoea due to pathogens other than Escherichia coli (E.coli).

Take Rifafast-400 Tablet with or without food. In some cases, you may experience certain common side-effects such as headache, peripheral oedema (leg swelling), nausea, dizziness, fatigue, ascites (excess fluid build-up in the abdomen), increased liver enzymes (ALT), and nausea. Most of these side-effects do not require medical attention and will resolve gradually over time. However, you are advised to talk to your doctor if you experience these side-effects persistently.

Before starting Rifafast-400 Tablet , please inform your doctor if you have any allergy (against any antibiotic), kidney or liver problems. Do not take Rifafast-400 Tablet for more than 3 days unless prescribed; if there is no symptomatic improvement, consult your doctor. Avoid taking Rifafast-400 Tablet if you are pregnant or breastfeeding; talk to your doctor, he/she may prescribe you alternate medicine. Rifafast-400 Tablet is not recommended for children as efficacy and safety have not been established. Inform your doctor about all the medicines you are taking and about your health condition to rule out any unpleasant side-effects.

Rifafast-400 Tablet belongs to the group of medicines called antibiotics used to treat infectious travellers diarrhoea, hepatic encephalopathy (decrease in brain function due to liver disease) and irritable bowel syndrome (IBS). Rifafast-400 Tablet is used to treat traveller’s diarrhoea caused by non-invasive strains of E.coli. Rifafast-400 Tablet is a broad-spectrum antibiotic that is effective against gram-positive and gram-negative bacteria, aerobic and anaerobic bacteria, and ammonia producing bacteria. Rifafast-400 Tablet is a gastrointestinal-selective antibiotic with a broad spectrum of antimicrobial activity. Rifafast-400 Tablet is bactericidal in nature and works by killing the bacteria that cause infections. Thereby, helps in treating and preventing the spread of infections.

Do not take Rifafast-400 Tablet if you are allergic to any of its contents, if you have a fever, blood in stools, passed 8 or more unformed stools in last 24 hours, constipation, vomiting, and abdominal pain caused by blockage of the bowel. Talk to your doctor if your condition does not improve, symptoms continue or re-appear even after taking Rifafast-400 Tablet for 3 days. Do not take Rifafast-400 Tablet for more than 3 days unless prescribed; if there is no symptomatic improvement, consult your doctor. Avoid taking Rifafast-400 Tablet if you are pregnant or breastfeeding; talk to your doctor, he/she may prescribe you with alternate medicine. Rifafast-400 Tablet is not recommended for children below 12 years of age as the efficacy and safety have not been established. Inform your doctor about all the medicines you are taking and about your health condition to rule out any unpleasant side-effects. Patients with liver complications should avoid taking Rifafast-400 Tablet or consult a doctor before using Rifafast-400 Tablet .

• Antibiotics can alter the useful bacteria in the stomach, which help indigestion. Therefore, you are advised to take foods rich in probiotics such as yoghurt/curd, kefir, sauerkraut, tempeh, kimchi, miso, kombucha, buttermilk, natto and cheese.
• Eat fibre rich food like whole grains, beans, lentils, berries, broccoli, peas and bananas.
• Avoid foods rich in calcium, grapefruit and grapefruit juice as they might hinder the absorption of antibiotics.
• Avoid consumption of alcohol to treat your condition effectively.
• Avoid usage of tobacco.

• Prolonged intake of Rifafast-400 Tablet may cause diarrhoea caused by an overgrowth of bacteria known as C. difficile. This can cause mild to severe diarrhoea to life-threatening colitis (colon inflammation).
• Monitor bleeding time parameters like INR and prothrombin time while using Rifafast-400 Tablet .

Traveller’s diarrhoea: It is an intestinal infection in which there is the passage of unformed stools due to eating or drinking contaminated food or water while travelling. Symptoms include nausea, vomiting, bloating, fever, gas, loss of appetite, and the urgent need to poop.

Hepatic/liver encephalopathy: It is a decrease in brain function due to liver disease. The liver cannot remove toxins from the body adequately, which results in a buildup of toxins in the blood, thereby leads to brain damage. Symptoms include confusion, forgetfulness, difficulty thinking, low concentration, personality changes, and problems with small hand movements.

Irritable bowel syndrome (IBS): It is a condition which affects the large intestine. Symptoms include abdominal pain, cramps, gas, constipation, and diarrhoea.