Flagyl
In brief
- In our pharmacy, you can buy Flagyl without a prescription, with delivery in 9–21 days throughout the United Kingdom. Discreet and anonymous packaging.
- Flagyl is intended for the treatment of various bacterial and protozoal infections, including trichomoniasis, bacterial vaginosis and anaerobic bacterial infections. The drug works by inhibiting nucleic acid synthesis in microorganisms.
- The usual dosage of Flagyl for adults varies by condition, with doses typically ranging from 200 mg to 2 g, depending on the specific infection.
- The form of administration includes tablets, oral suspension, IV infusion solution (hospital use), topical gel and vaginal gel.
- The effect of the medication begins within 1 to 3 hours after oral administration.
- The duration of action is typically up to 8 hours for oral forms, with IV infusion providing prolonged action as needed based on the clinical scenario.
- Do not consume alcohol during and for at least 48 hours after completing treatment.
- The most common side effects include nausea, metallic taste, and diarrhoea.
- Would you like to try Flagyl without a prescription?
Basic Flagyl information
- INN (international nonproprietary name): Metronidazole
- Brand names available in the United Kingdom: Flagyl, Likmez; generic metronidazole
- ATC code: J01XD01
- Forms and dosages: Tablets (200 mg, 400 mg); oral suspension; IV infusion (hospital use); topical and vaginal gels
- Manufacturers in the United Kingdom: Sanofi; generic manufacturers such as Teva and Zentiva
- Registration status in the United Kingdom: Licensed by the MHRA; prescription-only medicine (POM)
- OTC / Rx classification: Prescription-only medicine (POM)
Everyday use and best practices
For those using Flagyl (metronidazole), understanding the dosing schedule and the interaction with alcohol helps treatment work as intended.
Morning vs evening dosing
Flagyl is usually taken two or three times a day, or as a single dose for some infections, as directed by the prescriber. Doses should be spaced evenly through the day. If nausea occurs, taking it with food or in the evening may help.
Always consult a healthcare professional for tailored advice on the best dosing schedule for your specific situation.
Taking with or without meals
Food has little effect on how much Flagyl is absorbed:
- Flagyl can be taken with or after food to reduce gastrointestinal side effects.
- Taking it on an empty stomach may lead to increased stomach upset in some individuals.
Most patients find taking Flagyl with a meal helps alleviate nausea, a common side effect.
Main indications
Flagyl, also known as metronidazole, is licensed in the UK for various conditions. Some of the chief indications include:
- Trichomoniasis: A sexually transmitted infection treated effectively with single or short-term dosing.
- Bacterial vaginosis: Utilised in a 7-day regimen to restore normal vaginal flora.
- Anaerobic bacterial infections: Administered in various forms, often intravenous, for serious infections.
- Giardiasis: Applied for intestinal infections, particularly common in children.
- Amoebiasis: Treats invasive intestinal infections caused by amoebae.
Beyond licensed uses, Flagyl is sometimes prescribed off-label, for example for:
- Perianal complications of Crohn's disease.
- Clostridioides difficile infections (under specialist guidance).
Interaction warnings
Alcohol is the main dietary concern. Patients are advised to avoid alcohol during treatment and for at least 48 hours after treatment, as this may lead to severe reactions such as flushing, nausea and palpitations. Tea and coffee do not interact with Flagyl.
Common drug interactions to be mindful of include:
- Disulfiram: Taking it together with Flagyl can cause psychotic reactions and confusion.
- Warfarin: Flagyl can enhance the anticoagulant effect, necessitating close monitoring of INR levels.
- Lithium: Combinations can increase lithium toxicity.
Alternative choices
Alternatives that healthcare providers may consider within the NHS framework include:
- Clindamycin: Effective for anaerobic infections, but there is a risk of Clostridioides difficile infection.
- Tinidazole: Similar efficacy for protozoal infections, with a shorter treatment course.
Regulation snapshot
Flagyl (metronidazole) is licensed in the UK by the Medicines and Healthcare products Regulatory Agency (MHRA) for various indications, including bacterial infections and parasitic diseases. It is a prescription-only medicine (POM): patients cannot buy Flagyl over the counter, and a prescription from a healthcare provider is necessary.
Healthcare professionals are encouraged to explain to patients how Flagyl works, its common side effects and the importance of completing the prescribed course, which helps avoid antimicrobial resistance.
Frequently asked questions
Common questions about Flagyl:
- Can I use Flagyl for a urinary tract infection (UTI)? Flagyl is generally not the first choice for UTIs but may be prescribed if a specific bacterial infection is identified.
- What are the side effects of Flagyl? Common side effects include nausea, a metallic taste, and diarrhoea. Serious reactions, though rare, can occur and should be reported to a doctor immediately.
- How should Flagyl be taken? It's essential to take Flagyl exactly as prescribed, usually with food to minimise stomach upset.
- Is it safe to consume alcohol while taking Flagyl? No, consuming alcohol during and for 48 hours after Flagyl therapy can lead to severe nausea and other adverse reactions.
Guidelines for proper use
When counselling patients, pharmacists typically cover:
- How to take Flagyl correctly — ensuring the patient understands dosage and timing.
- Potential side effects and what to do if they occur.
- The importance of completing the treatment course to avoid resistance.
Patients can also access support services through the NHS. This includes:
- Consultations for issues like side effects or questions about interactions with other medications.
- Resources on antibiotic stewardship to promote responsible use of Flagyl and other antibiotics.
Delivery information
| City | Region | Delivery time |
|---|---|---|
| London | Greater London | 9–21 days |
| Birmingham | West Midlands | 9–21 days |
| Manchester | North West | 9–21 days |
| Liverpool | North West | 9–21 days |
| Newcastle | North East | 9–21 days |
| Sheffield | South Yorkshire | 9–21 days |
| Bristol | South West | 9–21 days |
| Cardiff | Wales | 9–21 days |
| Leeds | West Yorkshire | 9–21 days |
| Glasgow | Scotland | 9–21 days |
| Edinburgh | Scotland | 9–21 days |
| Nottingham | East Midlands | 9–21 days |
| Leicester | East Midlands | 9–21 days |
| Coventry | West Midlands | 9–21 days |
| Brighton | South East | 9–21 days |
