RIFAHEM 550 Tablet 10's

Introduction About RIFAHEM 550 TABLET

RIFAHEM 550 TABLET (Rifaximin) is an oral gastrointestinal antibiotic formulated to act locally in the gut to reduce harmful bacteria that contribute to infection-related diarrhoea and complications of liver disease. Unlike many systemic antibiotics, rifaximin stays largely within the intestinal tract, targeting bacterial overgrowth and helping restore balance in the digestive system, which can alleviate symptoms like loose stools and abdominal discomfort. This makes it particularly relevant for patients with specific types of bacterial diarrhoea and those at risk of metabolic complications from liver dysfunction.  

Rifaximin is commonly prescribed for traveller’s diarrhoea caused by non-invasive E. coli, irritable bowel syndrome with diarrhoea (IBS-D), and for hepatic encephalopathy a condition where the liver’s reduced ability to clear toxins leads to neurological symptoms. Patients with diarrhoea due to pathogens other than E. coli, bloody stools, or fever should not use this medication without specialist advice, as it is not effective for these conditions.  

For optimal benefit, RIFAHEM 550 TABLET should be taken exactly as prescribed by a healthcare professional, generally by mouth with a glass of water, and can be taken with or without food. The tablet should never be chewed, crushed, or broken to ensure proper delivery in the gut. It’s usually given at consistent times each day to maintain steady activity in the bowel, and treatment shouldn’t be stopped early even if symptoms improve, unless instructed by a doctor.  

Patients with severe liver dysfunction or significant kidney disease should use caution, as altered metabolism or elimination may affect outcomes. Likewise, those with a known allergy to rifaximin or similar antibiotics (like rifampin) should avoid this medication.

RIFAHEM 550 TABLET isn’t generally recommended for children below 12 years since safety and effectiveness aren’t established in this group. In pregnancy and breastfeeding, there’s limited safety data; therefore, use should be carefully considered, and alternative therapies may be preferred unless the expected benefit outweighs potential risk. There is no clear evidence that rifaximin passes into human breast milk, but adverse effects cannot be excluded, so clinicians should weigh risks and benefits before prescribing to nursing mothers.

Common side effects may include dizziness, nausea, headache, fatigue, gastrointestinal discomfort (like bloating, stomach pain, flatulence), and peripheral swelling. Most side effects are mild and resolve over time, but sustained or severe symptoms should prompt medical review.

Uses Of RIFAHEM 550 TABLET

• Used to manage hepatic encephalopathy

Benefits of RIFAHEM 550 TABLET

RIFAHEM 550 TABLET for Hepatic Encephalopathy

RIFAHEM 550 TABLET contains Rifaximin, an antibiotic that works directly in the intestines to reduce harmful bacteria. In hepatic encephalopathy (HE) a condition where the liver cannot properly remove toxins from the blood these toxins, especially ammonia, can reach the brain and cause confusion, forgetfulness, sleep disturbances, and changes in behaviour.

How RIFAHEM 550 TABLET Works

Mechanism of RIFAHEM 550 TABLET

RIFAHEM 550 TABLET contains Rifaximin, an antibiotic that works mainly in the intestines with minimal absorption into the bloodstream. It inhibits bacterial RNA polymerase, which prevents harmful gut bacteria from producing proteins, stopping their growth and multiplication. By reducing these bacteria, RIFAHEM 550 TABLET lowers the production of toxins such as ammonia, which can enter the bloodstream and affect brain function, especially in conditions like hepatic encephalopathy. Its action is largely local in the gut, allowing it to manage intestinal infections, traveler’s diarrhoea, and IBS-related symptoms while preserving beneficial gut bacteria and minimizing systemic side effects.

How to use RIFAHEM 550 TABLET

How to Take RIFAHEM 550 TABLET

• Follow your doctor’s instructions: Take RIFAHEM 550 TABLET exactly as prescribed. The usual adult dose is 550mg 2–3 times a day, depending on your condition.
• With or without food: You can take the tablet with a light meal or on an empty stomach, whichever is easier for you. Taking it with food may reduce stomach upset.
• Swallow whole: Do not crush, break, or chew the tablet; swallow it with a full glass of water.
• Timing matters: Try to take it at the same times each day to maintain consistent levels in your gut.
• Complete the full course: Even if you feel better, do not stop early, as the infection or symptoms may return.
• Missed dose: If you forget a dose, take it as soon as you remember. If it is nearly time for the next dose, skip the missed one. Do not double the dose.

What if I forgot to take RIFAHEM 550 TABLET

• Take the missed dose as soon as you remember.
• If it is almost time for your next dose, skip the missed one.
• Do not take a double dose to make up for the missed tablet.
• Continue with your regular dosing schedule as prescribed by your doctor.
• Maintaining a consistent schedule helps the medicine work effectively in controlling gut bacteria and reducing toxins.

Overdose

If you or anyone else accidentally took more RIFAHEM 550 TABLET, consult your doctor immediately or visit the nearby hospital.

Side Effects Of RIFAHEM 550 TABLET

Common side effects of RIFAHEM 550 TABLET

• Dizziness, tiredness
• Nausea, dehydration
• Swelling of the hands and legs
• Fluid accumulation in the stomach
• Constipation, stomach pain, flatulence, diarrhoea

When to Seek Medical Attention?

• Severe or persistent diarrhoea, especially if it is watery, bloody, or accompanied by fever.
• Signs of an allergic reaction, such as skin rash, itching, hives, swelling of the face, lips, tongue, or throat, or difficulty breathing.
• Worsening abdominal pain, severe stomach cramps, or unusual bloating that does not improve.
• Yellowing of the skin or eyes (jaundice), dark urine, or unexplained fatigue, which may indicate liver-related concerns.
• unexplained weight gain.
• Severe dizziness, confusion, or changes in mental alertness, particularly in patients with liver conditions.

How To Manage Side Effects

Warning & Precautions

Other Warnings for RIFAHEM 550 TABLET

Before taking RIFAHEM 550 TABLET, inform your doctor if you:

• Are experiencing fever, blood in stools, or severe diarrhoea, as this medicine may not be suitable in such cases.
• Have a history of severe liver problems, as dose adjustment or closer monitoring may be required.
• Have been diagnosed with chronic bowel conditions or have had recent gastrointestinal surgery.

Safety Advice

• Take the medicine exactly as prescribed by your doctor; do not alter the dose or stop early.
• Do not chew, crush, or break the tablet; swallow it whole with water.
• Can be taken with or without food but maintain consistent timing for best effect.
• Inform your doctor about all current medications, including antibiotics, oral contraceptives, and supplements.
• Avoid self-medicating for persistent diarrhoea without consulting a healthcare professional.

Diet and Lifestyle Advice

• Consistent Medication Routine: Take RIFAHEM 550 TABLET exactly as prescribed at the same times each day, with or without food.
• Light Physical Activity: Gentle exercise like walking or yoga can help digestive function and reduce gas or bloating.
• Rest Well: Adequate sleep (7–8 hours/night) helps your immune system work better and may reduce side effects like fatigue.
• Manage Stress: Techniques like deep breathing, meditation or gentle stretching can support gut-brain comfort and reduce nausea or headache.
• Be Careful with Activities: If you feel dizzy after taking RIFAHEM 550 TABLET, avoid driving or operating machinery until you know how the medicine affects you.

Drug - Drug interaction

1. Warfarin and Other Anticoagulants

• Interaction: RIFAHEM 550 TABLET may alter gut flora, which can theoretically affect vitamin K production. Since vitamin K influences the action of anticoagulants like warfarin, there may be minor changes in blood clotting levels.
• Management: Monitor INR levels closely during and after RIFAHEM 550 TABLET therapy. Dose adjustment of anticoagulants may be required if significant changes in INR are observed.

2. Cyclosporine

• Interaction: RIFAHEM 550 TABLET may slightly reduce absorption of cyclosporine, an immunosuppressant, though systemic absorption of Rifaximin is low.
• Management: Monitor blood levels of cyclosporine during co-administration. Adjust cyclosporine dosage if needed based on therapeutic levels.

3. Other Antibiotics

• Interaction: Using RIFAHEM 550 TABLET with other antibiotics (like ciprofloxacin, metronidazole) can alter gut microbiota and may increase the risk of diarrhoea, yeast infections, or gut imbalance.
• Management: Use combinations only if prescribed by a doctor. Monitor for gastrointestinal side effects and report severe diarrhoea or blood in stool promptly.

4. P-glycoprotein (P-gp) Substrates

• Interaction: RIFAHEM 550 TABLET is a substrate of P-glycoprotein. Drugs that inhibit or induce P-gp (e.g., certain antivirals, antifungals, or cardiac drugs) may alter RIFAHEM 550 TABLET levels in the gut.
• Management: Typically, no major adjustment is required due to low systemic absorption. Discuss with your doctor if you are taking P-gp interacting drugs long-term.

5. Lactulose or Other Laxatives

• Interaction: Concomitant use may alter gut transit time and reduce RIFAHEM 550 TABLET efficacy in some patients with conditions like hepatic encephalopathy.
• Management: Maintain proper timing take RIFAHEM 550 TABLET at least 2 hours apart from laxatives if possible. Monitor symptom control and adjust dosing schedule as recommended by your doctor.

Drug - Food interaction

1. Grapefruit and Grapefruit Juice

• Interaction: Grapefruit may inhibit intestinal enzymes and transporters, potentially altering how drugs are metabolized in the gut. While Rifaximin is minimally absorbed, high amounts of grapefruit could theoretically affect local concentrations.
• Management: Avoid grapefruit and grapefruit juice while taking RIFAHEM 550 TABLET. Choose alternative fruits like oranges, apples, or berries.

2. High-Fat Meals

• Interaction: High-fat or greasy meals may slow gastric emptying, which could delay the action of RIFAHEM 550 TABLET in the gut and increase chances of stomach upset.
• Management: Take RIFAHEM 550 TABLET with a light meal or snack if needed. Avoid very fatty or fried foods around the time of taking the tablet.

3. Foods That Affect Gut Flora

• Interaction: Foods like probiotic-rich yogurt or fermented foods can influence gut bacteria. While generally beneficial, taking these at the same time as antibiotics may slightly reduce Rifaximin’s local effect.
• Management: If consuming probiotics, space them by 2–3 hours from RIFAHEM 550 TABLET. Follow doctor’s advice on probiotic use during or after antibiotic therapy.

4. Fiber-Rich Foods

• Interaction: High-fibre meals can speed up intestinal transit, which may reduce the contact time of Rifaximin with gut bacteria.
• Management: Continue a balanced diet with fibre but avoid extremely large servings at the exact time of taking the tablet. Spread fibre intake throughout the day.

Synopsis

Drug	:	Rifaximin
Pharmacological Category	:	Antibiotics
Therapeutic Indication	:	Hepatic encephalopathy
Dosage Forms	:	Tablet, Syrup, Suspension

 

More Information

FAQs About RIFAHEM 550 TABLET

Q: What is RIFAHEM 550 TABLET used for?

A: RIFAHEM 550 TABLET contains Rifaximin, an antibiotic that works mainly in the intestines. It is used to manage certain gut infections and reduce symptoms like diarrhoea or bloating. It is mostly not absorbed into the blood, so it acts locally in the gut.

Q: Can I take RIFAHEM 550 TABLET with food?

A: Yes, RIFAHEM 550 TABLET can be taken with or without food. Taking it with a light meal may reduce stomach upset. Avoid very fatty or heavy meals around the time of taking the tablet.

Q: What should I do if I miss a dose?

A: If you forget a dose, take it as soon as you remember. If it is almost time for the next dose, skip the missed one. Do not double the dose to make up.

Q: Can I stop RIFAHEM 550 TABLET once I feel better?

A: No, Complete the full course as prescribed, even if symptoms improve. Stopping early may let bacteria grow back or cause infection to return.

Q: What are the common side effects of RIFAHEM 550 TABLET?

A: Some people may experience nausea, stomach pain, bloating, or mild diarrhoea. Most side effects are temporary and mild. If symptoms are severe, contact your doctor.

Q: Can RIFAHEM 550 TABLET be taken with other medicines?

A: It can be taken with most medicines. But inform your doctor if you are on blood thinners, immunosuppressants, or other antibiotics, to avoid interactions.

Q: Are there foods I should avoid while taking RIFAHEM 550 TABLET?

A: Avoid grapefruit or grapefruit juice as it may affect how the drug works. Limit very fatty or heavy meals to prevent stomach upset.

Q: Can RIFAHEM 550 TABLET cause diarrhoea?

A: Yes, mild diarrhoea may occur as a side effect. If diarrhoea is severe, watery, or contains blood, contact your doctor immediately.

Q: How long does it take for RIFAHEM 550 TABLET to work?

A: Many patients notice improvement in 2-3 days, but the full course must be completed to ensure the infection is cleared.

Q: Can I take probiotics with RIFAHEM 550 TABLET?

A: Yes, but try to space probiotics 2-3 hours apart from the tablet. This helps the medicine work effectively without interference.

Q: Is RIFAHEM 550 TABLET safe for long-term use?

A: RIFAHEM 550 TABLET is generally used for short courses. Long-term use is only under doctor supervision, as it may affect gut bacteria balance.

Q: Can RIFAHEM 550 TABLET affect my bowel habits?

A: Some people may notice changes in stool frequency or consistency. These are usually temporary and improve after the medicine is finished.

Q: Do I need blood tests while on RIFAHEM 550 TABLET?

A: Routine blood tests are usually not needed, but people on other medicines like warfarin may need monitoring.

Q: Can RIFAHEM 550 TABLET be taken with antacids?

A: Yes, antacids can be taken with RIFAHEM 550 TABLET. They do not affect the action of the drug.

Q: Can RIFAHEM 550 TABLET cause headache or dizziness?

A: Some people may feel headache or mild dizziness. Drink water, rest, and avoid driving if symptoms are severe.

Q: What should I do if symptoms do not improve?

A: If symptoms persist or worsen after completing the course, contact your doctor. You may need further evaluation or a different treatment plan.

References

1. KD. Tripathi. Drugs for constipation and diarrhoea. Essentials of Pharmacology. Seventh edition. 2013. Page – 681.

2. Maddalena Diana Iadevaia, Anna Del Prete, Claudia Cesaro, Laura Gaeta, Claudio Zulli, and Carmelina Loguercio. Rifaximin in the treatment of hepatic encephalopathy. NIH: National Library of Medicine, National Center for Biotechnology Information. PMC, PubMed central. December 2011. [Accessed on 15th October 2026]

3. Ciplamed. Rixmin. [Revised in November 2013] [Accessed on 15th October 2026]

Useful Diagnostic Tests

• Netmeds - Liver Package  Basic
• Liver Funtion Basic
• Liver Kidney Function Profile
• Liver Package Advance

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