Vowst: Comprehensive Guide on Uses, Side Effects, Dosage, Pricing, and More
Discover how Vowst, a prescription medication, helps prevent the recurrence of Clostridioides difficile (C. diff) infections. Explore its uses, potential side effects, recommended dosage, cost, and essential information for safe use.
Vowst is a prescribed medication designed for adults to reduce the risk of Clostridioides difficile (C. diff) infection returning after initial treatment. It is administered orally in capsule form.
Understanding Vowst
The active component in Vowst is live fecal microbiota spores, identified as live-brpk.
Classified as a biologic drug, Vowst is derived from living organisms and is exclusively available under its brand name without any biosimilar versions currently on the market.
Unlike generic drugs for non-biologic medications, biosimilars are designed for biologics and carry the same core active ingredient name with unique suffixes. The suffix "-brpk" distinguishes Vowst from any future biosimilars.
Primary Uses of Vowst
Vowst is prescribed to adults to prevent the recurrence of C. diff infections following successful antibiotic treatment.
C. diff is a bacterium that can cause severe infections if it proliferates excessively in the gut. Normally, beneficial gut bacteria keep C. diff in check. However, antibiotic use can diminish these good bacteria, allowing C. diff to multiply and trigger symptoms such as diarrhea, abdominal pain, cramps, and loss of appetite.
While the exact mechanism is not fully understood, Vowst is believed to restore healthy gut bacteria by introducing beneficial microbes, thereby helping to prevent C. diff from reestablishing infection. This approach is based on the concept of fecal microbiota transplantation (FMT), of which Vowst is a modern form.
Important: Vowst is not intended to treat active C. diff infections but only to prevent their recurrence after antibiotic therapy. It should not be taken concurrently with antibiotics.
Potential Side Effects of Vowst
As with any medication, Vowst may cause side effects ranging from mild to severe. The following are some commonly observed side effects, though this list is not exhaustive.
Side effects can vary depending on factors such as age, existing health conditions, and other medications being taken. Consult your healthcare provider or pharmacist for personalized advice and management strategies.
Mild Side Effects
Reported mild side effects include:
- Abdominal bloating
- Fatigue
- Constipation
- Chills
- Diarrhea
- Gas
- Nausea
These mild effects often resolve within days to weeks. If symptoms persist or worsen, contact your healthcare professional.
Serious Side Effects
Serious adverse reactions were not observed in clinical studies but can still occur. Seek immediate medical attention if you experience severe symptoms.
Allergic Reactions:
Although not reported during trials, Vowst may cause allergic reactions in some individuals. Symptoms can range from mild rashes to severe breathing difficulties or swelling.
If mild allergic symptoms appear, notify your doctor promptly for evaluation and guidance on continuing treatment.
In the event of severe allergic reactions, such as difficulty breathing or swelling, call emergency services immediately as these can be life-threatening.
Your healthcare provider may recommend alternative treatments if a serious allergy to Vowst is confirmed.
Dosage Information for Vowst
Dosage should always follow your doctor's prescription. Typically, Vowst is administered as follows:
Formulation
Vowst is provided as oral capsules.
Standard Dosage
The usual regimen involves taking four capsules once daily for three consecutive days.
Consult your healthcare provider for detailed dosing instructions tailored to your condition.
Administration Guidelines
Follow these important steps when taking Vowst:
- Complete your antibiotic course 2 to 4 days before starting Vowst.
- Consume 10 ounces of magnesium citrate, a laxative, the day before beginning Vowst treatment, and repeat at least 8 hours prior to the first dose. For patients with kidney issues, polyethylene glycol may be substituted.
- Fast for at least 8 hours before taking your initial dose, allowing only small sips of water.
Frequently Asked Questions
- Can Vowst capsules be chewed or crushed? No, capsules should be swallowed whole. If swallowing is difficult, consult your healthcare provider for assistance.
- Should Vowst be taken with food? No, it should be taken on an empty stomach before your first meal.
- What if I miss a dose? Contact your doctor for guidance on how to proceed.
- Is long-term use necessary? No, treatment typically lasts only three days.
- How soon does Vowst take effect? It begins working after the first dose, although effects may not be immediately noticeable. Your doctor can provide more information.
Overdose Precautions
Do not exceed the prescribed dose. In case of overdose, contact your doctor or call the Poison Control Center at 800-222-1222. For severe symptoms, seek emergency medical care immediately.
Important Considerations Before Using Vowst
Drug Interactions
Vowst may interact with various medications, supplements, and foods, potentially altering its effectiveness or increasing side effects.
Inform your healthcare providers about all medications, vitamins, herbs, and supplements you are taking to avoid adverse interactions.
Medications to Watch
Vowst can interact with antibiotics such as:
- Amoxicillin (Amoxil)
- Azithromycin (Zithromax)
- Clindamycin (Cleocin)
- Vancomycin (Vanco)
- Uribel
Alcohol and Vowst
The interaction between alcohol and Vowst is not fully understood. Since both may cause similar side effects like nausea, combining them could increase these risks. Your doctor may advise limiting alcohol during treatment.
Pregnancy and Breastfeeding
Safety of Vowst during pregnancy or breastfeeding has not been established. Consult your healthcare provider if you are pregnant, planning to become pregnant, or breastfeeding before starting treatment.
Warnings
Vowst may pose risks for individuals with certain health conditions. Disclose your full medical history to your doctor, especially if you have:
- A weakened immune system
- Food allergies
- A prior allergic reaction to Vowst
- Pregnancy
- Are breastfeeding
Cost of Vowst
The price of Vowst varies depending on your insurance coverage, treatment plan, and pharmacy. Discuss financial concerns with your healthcare provider or pharmacist. Support programs like Vowst Voyage Support might be available to assist with costs.
For additional tips on saving money on medications, consult relevant resources or your pharmacist.
Alternative Treatments
If you are considering options other than Vowst, speak with your doctor about other medications that prevent C. diff recurrence, including:
- Rebyota (fecal microbiota spores, live-jslm)
- Zinplava (bezlotoxumab)
Disclaimer: This information is provided to support informed decisions but is not a substitute for professional medical advice. Always consult your healthcare provider before starting or changing any medication. Drug information may evolve, and individual cases vary.
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