Rifaximin 400 mg

Rifaximin 400 mg (Rifaximin)

Active Ingredient: Rifaximin
Dosage Form: Tablet
Available Strength: 400mg
Manufacturer: Healing Pharma, India
Packaging: 10 tablets in 1 strip
Therapeutic Use: Irritable bowel syndrome, Hepatic encephalopathy
Pack Insert/Leaflet: Yes
Production Capacity: 1 Million Tablet's/Month


This medicine, Rifaximin 400 mg, is a doctor’s prescribed medication used for certain conditions that are explained below in the informational section.

Hepatic Encephalopathy, also known as portosystemic encephalopathy, is an alterable ailment where there is harm to brain functioning as a consequence of harsh liver disease which does not remove its toxins from the blood. It triggers the brain which causes symptoms like depressed levels of consciousness, personality changes, confusion, sleep disturbances, etc. Its onset may be gradual or sudden.

Irritable Bowel Syndrome is an abdominal infection that produces pain and uneasiness in the gut, diarrhea, and fluctuations in the appearance of the stool. Doctors prescribed treatments can help maintain it but the disease cannot be cured. It causes discomfort in carrying out your daily tasks with symptoms like abdominal pain, cramping, bloating, gas, diarrhea constipation, or both.

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What is Rifaximin 400 mg?

Rifaximin 400 mg is a lozenge monitored for the healing of Hepatic Encephalopathy and irritable bowel syndrome. This pill can be used in combination with the other medication or alone. It consists of a key element known as Rifaximin. It belongs to the class of medicines called Antibiotics. Rifaximin is generally used for gastrointestinal problems and liver diseases.

Rifaximin uses

Uses of Rifaximin 400 mg are:

  • Infectious Diarrhea
  • Hepatic Encephalopathy

Rifaximin is a broad-spectrum antibiotic. It destroys and stops the growth of the ammonia (toxin)–producing bacteria in the digestive tract. This minimizes the toxins collection in the blood and that prevents your body from the injurious effects of those accumulated toxins. This heals your infections and soothes your symptoms of hepatic encephalopathy such as agitation, confusion, and muscle problems. Therefore, it prevents you from the disorders caused due to these gathered toxins (hepatic encephalopathy) and decreases the recurrence.


To get maximum benefits and positive results from the treatment of Rifaximin 400 mg, it is suggested to follow the treatment guidelines as instructed by your doctor. Gulp one tablet with plenty of water. It can be taken with or without a meal. Take the tablet in one piece without breaking it in half, biting, or crushing it. Do not monitor yourself and adjust the drug by discontinuing, exceeding, or changing the treatment as it may lead to serious health consequences.

Missed Dose

In case you have forgotten any dose, swallow it with water right away. But, if the next dose time is not long enough, skip that missed dose and follow the regular schedule.


To speed up the recovery, do not take an excess of this medicine, if you or anyone has overdosed, contact your doctor instantly and reach your nearest hospital as soon as possible.


Rifaximin 400 mg helps prevent changes in brain function leading to confusion, tremors, sleep problems, and loss of consciousness. It relieves symptoms like confusion, muscle problems, difficulty in speaking, and sometimes coma. To regulate the digestive system, it helps treat infectious diarrhea by attacking and controlling the growth of injurious bacteria in the intestines.

Rifaximin Side Effects

Some of the major and minor consequences of Rifaximin 400 mg are listed below that sometimes may not need medical help and fade away on their own:

  • Dizziness
  • Nausea
  • Fatigue
  • Peripheral Edema
  • Depression
  • Joint Pain
  • Skin Rash
  • Muscle Pain
  • Ascites
  • Nasopharyngitis
  • Constipation
  • Diarrhea
  • Dehydration
  • Anxiety
  • Black, tarry stools
  • Bladder Pain
  • Bloody or cloudy urine
  • Trouble sleeping
  • Rapid breathing
  • Frequent urge to urinate
  • Chest Pain
  • Fainting
  • Increased heart rate
  • Ulcers
  • Ringing in the ears
  • Nosebleeds 

Precautions and warnings

  • It is probably unsafe to use for the treatment of pregnant women and those who are planning to conceive. There is limited data on human and animal studies that have shown harmful effects on developing babies. Consult your doctor and know the potential benefits and risks before using this medication to treat your concerns. 
  • As there is limited information available for this medicine taken by breastfeeding women, it is suggested to get monitored by your doctor first and use it only if they prescribe it to you.
  • Use this medicine for pediatrics (children and adolescents) and elderly patients (aged above 65 years) only if their doctor directs you as there is not enough research available. 
  • Do not take this medication if you are allergic to Rifaximin or any other ingredients present in the medicine. Ask your doctor for another alternate prescription. 
  • Tell your doctor everything about your health complications like blood pressure, diabetes, irregular heart rate, or any other medical issues and their treatments.

Safety Advice


Drinking alcohol during this medication may cause severe damage or some unwanted reactions. It can delay your recovery and with alcohol in your body, the drug may not showcase its full benefits. 


  • Foods to include: Maintaining your eating habits healthy aids in gaining yourenergy and improvedhealing. Nutrients you wouldcontain in your diet are proteins like rooster, fish, & tofu; low FODMAP vegetables like zucchini, cucumber, & spinach; gluten-free granules like rice & quinoa; nourishing fats like olive oil, avocados, & coconut oil; and probiotic nutriments like yogurt & kefir.
  • Foods to avoid: Specific sorts of food should be cut off while remaining on the management of this drug. Those foods are extreme FODMAP like onion, garlic, legumes, & wheat; sugar and sweeteners like polished sugars &non-natural sweeteners; lactose-induced dairy goods; treated foods like preservatives, additives, & artificial ingredients; and fizzybrews. 


Drugs that do not connect with Rifaximin 400 mg and may cause serious health complications and allergic reactions too are: 

  • Adagrasib
  • Bempedoic Acid
  • Cholera Vaccine
  • Dicumarol
  • Elacestrant
  • Fexinidazole
  • Glasdegib
  • Ibrutinib
  • Midostaurin
  • Ponatinib
  • Typhoid Vaccine
  • Sorafenib
  • Warfarin
  • Atogepant


Rifaximin comes in different variations. Your doctor may prescribe you these medicines depending upon the severity of your condition and tolerance to it.


Let’s know what say about their experience with the medicine and Specialitymedz Pharmacy in the below Rifaximin 400 mg reviews:


“This medicine relieved my stomach issues and regulated my normal digestion process. I am happy with this product.”


“It is one helpful medicine for infectious diarrhea and it’s all symptoms. This website is also helpful in providing all kinds of medicines and has hassle-free processing.”


“I got so weak when I was suffering from diarrhea but then this medicine helped me gain back my strength and ability to work out my daily chores.”


Rifaximin 400 mg is used to avert the condition and symptoms of hepatic encephalopathy and infectious diarrhea and prevent its reoccurrence. These conditions are caused by to damaged liver that occurs when it fails to clean out toxins in the blood. It may cause disability of brain functioning which leads to confusion, loss of consciousness, depression, etc. The medicine may cause discoloration of urine that can be reddish as well, it is harmful and normal. Discontinue taking the tablet if you have severe diarrhea during and after taking Rifaximin and inform your doctor. Finish the course of your medication to reverse the condition and acquire full recovery.

Frequently Asked Questions

Is Rifaximin a strong antibiotic?

Rifaximin is a wide-range non-engaged rifamycin antibiotic with an immensely safety benefit, very rare drug connections, and nominal effect on the intestinal microbiome. It has presently permitted for the treatment of travelers’ diarrhea.

What foods should you avoid while taking Rifaximin?

Certain foods should be avoided while being on the treatment of this medicine as it can affect the efficiency of the medicine and may cause serious health concerns. Several of those nutrients that are recommended to dodge are insoluble fiber like full grains, vegetables, & some fruits; gluten like rye, wheat, & barley; stir fry food; beans & legumes; processed foodstuffs like fries& processed animal protein; broccoli & cauliflower; and numerous other items your doctor could advise.

Should Rifaximin 400 mg be taken during pregnancy and breastfeeding?

To use this medication for pregnant and breastfeeding women, this tablet has shown some harmful effects on developing babies in animal studies; however, there is quite limited data on humans. It is advised to consult your healthcare provider beforehand for the same and use it only if they prescribe it to you.

Can this tablet cause weight gain?

This medicine does not generally cause weight gain. However, if you feel an increase in your weight, you should visit you doctor and know the reason behind it.


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