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Rifaximin is no ordinary medication. It plays an important role in managing a variety of gut-related health conditions. But what exactly is it, and why has it captured the attention of medical professionals worldwide?


What is Rifaximin?

Rifaximin is an antibiotic that works in the gut and is predominantly used for the treatment of traveler’s diarrhea caused by E. coli bacteria. It’s not recommended to treat other types of bacterial infection as it’s not effective against all strains. In certain instances, rifaximin is also used to prevent hepatic encephalopathy, a condition that affects the brain function of individuals with severe liver disease.


How Does Rifaximin Work?

As an antibiotic, rifaximin functions by prohibiting the synthesis of bacterial RNA, thereby inhibiting protein synthesis within the bacteria. By doing so, it effectively prevents the bacteria from growing and multiplying, which is the primary means through which the infection spreads. Due to its localized activity in the gut, rifaximin has minimal systemic absorption, which translates to fewer systemic side effects.


Side Effects of Rifaximin

Like any medication, rifaximin may cause certain side effects, though these are generally mild and don’t affect every patient. Common side effects may include headache, bloating, gas, feeling like you need to empty your bowel urgently, feeling your bowel movement is not complete, and rectal itching. It’s essential to communicate with your healthcare provider if these symptoms persist or worsen.


How to Use Rifaximin

Rifaximin is usually taken orally three times a day for three days when treating traveler’s diarrhea. However, the dosage can vary depending on the condition being treated and the patient’s overall health status. It’s important to follow your doctor’s instructions closely.

Doctor talking to a patient

Overdose of Rifaximin

In case of a suspected overdose, immediate medical attention is essential, and the healthcare provider, local poison control center, or emergency services should be contacted promptly. It’s imperative to remember to use rifaximin and all medications exactly as prescribed, avoiding any alteration in dose without professional medical consultation.


Missed Dose of Rifaximin

If you miss a dose of the antibiotic rifaximin, take it as soon as you recall unless it’s close to the time for your next dose. In this case, skip the missed dose and stick to your usual schedule. Avoid doubling up doses to compensate for a missed one, as this may elevate the risk of side effects. It’s crucial to follow your healthcare provider’s specific guidelines for missed doses and to maintain consistent use of the medication for its effectiveness. Contact your healthcare provider or pharmacist if you’re uncertain about what steps to take.


Proper Storage of Rifaximin

Rifaximin should be stored at room temperature, ideally between 20°C to 25°C (68°F to 77°F), away from direct light and moisture to maintain its effectiveness. It’s advisable to keep the medication in its original packaging until it’s time for usage, as the packaging is designed to protect the medicine from damaging external conditions.

Doctor prescribing Rifaximin to a patient


Rifaximin is a beneficial antibiotic for specific intestinal infections, characterized by its minimal systemic side effects due to its localized action in the gut. The convenience of buying rifaximin at 365 Script Care ensures that this vital medication is readily available for those who need it, thus ensuring the best possible healthcare at your fingertips. However, remember that medication should always be used under the guidance of a healthcare provider to ensure its safety and efficacy.

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