Flagyl S (Metronidazole Benzoate)
Complete patient guide for uses, dosage, side effects, and safety information
Quick Facts
What Is Flagyl S Used For?
Flagyl S is an antibiotic that treats infections caused by bacteria and other organisms in various parts of the body. It is also used to prevent infections that may occur during surgical procedures.
Primary Uses
It is primarily used for treating bacterial infections and preventing infections during surgery.
How It Works
Flagyl S works by killing or inhibiting the growth of bacteria and other organisms responsible for infections.
Good to know: Flagyl S is not considered addictive.
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How to Take Flagyl S
Follow your doctor's instructions carefully when taking Flagyl S.
Dosage Instructions
The dosage varies per patient, and it is typically taken for 7 days. It should be taken at least one hour before meals for optimal effectiveness.
What If You Miss a Dose?
If you miss a dose, take it as soon as you remember unless it's almost time for your next dose. Do not double the dose.
Important: Never double dose to make up for a missed dose.
Side Effects
Like all medications, this medicine can cause side effects. Most are mild and temporary, but some require medical attention.
Common Side Effects
These side effects occur relatively frequently and usually don’t require emergency care:
- nausea
- diarrhea
- dry mouth
- joint pain
- confusion
- dizziness
- skin rashes
Seek immediate medical attention if you experience:
- allergic reactions (skin rash, itching, swelling)
- posterior reversible encephalopathy syndrome (PRES)
- Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
- unusual numbness in hands or feet
Impulse Control Issues
Some patients may experience irrational thoughts, hallucinations, or feelings of confusion and depression.
Important Warnings
There are specific conditions and situations where Flagyl S should not be used.
Who Should Not Take Flagyl S
Do not use Flagyl S if you are allergic to metronidazole or any other nitroimidazoles, have a history of blood disorders, or have Cockayne Syndrome.
Medical Conditions to Discuss
Discuss any history of brain, spinal cord, or nerve diseases, liver or kidney diseases, and inflammatory bowel diseases with your doctor.
Pregnancy and Breastfeeding
Consult your doctor if you are pregnant, planning to become pregnant, or breastfeeding.
Elderly Patients With Dementia: Elderly patients, especially those with dementia, should use Flagyl S with caution.
Drug Interactions
Certain medications may interact with Flagyl S and affect its effectiveness.
Grapefruit interaction: No grapefruit interaction mentioned.
- warfarin and other blood thinners
- disulfiram (Antabuse)
- alcohol-containing medications
- certain anti-arrhythmics
- some anticancer drugs
- phenytoin
- phenobarbital
- cimetidine
- lithium
- cyclosporin
Alcohol & Driving
Be cautious when consuming alcohol or driving while taking Flagyl S.
Alcohol
Avoid alcohol during treatment and for at least 24 hours after stopping Flagyl S, as it may cause severe nausea and vomiting.
Driving and Operating Machinery
Be careful when driving or using machinery until you know how Flagyl S affects you, as it may cause dizziness or confusion.
Storage
Store Flagyl S suspension in a cool, dry place below 25°C, away from moisture and heat.
Overdose Information
If you suspect an overdose, seek immediate medical attention. Symptoms may include vomiting and disorientation.
Frequently Asked Questions
Flagyl S typically starts working within a few days, but it's important to complete the full course as prescribed.
It's recommended to take Flagyl S at least one hour before meals for better absorption.
No, Flagyl S is not considered addictive.
Do not stop taking Flagyl S without consulting your doctor, as it may lead to incomplete treatment of your infection.
No, you should avoid alcohol during treatment and for at least 24 hours after stopping Flagyl S.
Weight gain is not a commonly reported side effect of Flagyl S.
Elderly patients should use Flagyl S with caution, especially those with dementia.
If you miss a dose, take it as soon as you remember unless it's almost time for your next dose. Do not double the dose.
Important Disclaimer
This information is intended for general educational purposes only and should not be considered medical advice. Always consult your healthcare provider or pharmacist before starting, stopping, or changing any medication.
If you think you may have a medical emergency, call your doctor or emergency services immediately.