results found...

How Long Does Metronidazole Take to Work?

When it comes to treating Bacterial Vaginosis (BV), time is of the essence. That's why understanding the effectiveness and timing of Metronidazole, a leading antibiotic in the fight against BV, is crucial.

Dive in to discover how metronidazole works, how quickly it acts, and why it's a trusted choice for Bacterial Vaginosis (BV) treatment.

What Is the Time Frame for Bacterial Vaginosis Treatment with Metronidazole?

General Time Frame

For most infections, including BV, improvement should be noticeable within a few days.

In some cases, it may take longer before symptoms start to get better.

How Quickly Does Metronidazole Start Working?

The medication will start working straight away.

How Is Metronidazole Absorbed and Concentrated in the Body?

Absorption and Concentration

  • Metronidazole starts to work 1 to 2 hours after you take it.
  • It reaches its maximum concentration after 20 minutes to 3 hours.
  • It may take a couple of days before you start to feel better or notice an improvement in your symptoms.

Why Is It Important to Complete the Course of Metronidazole?

It's essential to continue taking metronidazole until you finish the prescribed course, even if you feel better.

Stopping the medication early may lead to the infection coming back or not being fully eradicated.


The time Metronidazole takes to work can vary widely depending on the individual's response to the medication. Patients should be aware of the importance of completing the full course of treatment to ensure the infection is fully treated.

Consultation with healthcare providers is essential for understanding the specific time frame for each individual case. Learn more about Metronidazole and its use in treating BV.

Authored & Reviewed By

Mohamed Imran Lakhi

MPharm - Lead Pharmacist
Imran Lakhi is the superintendent pharmacist and founder at Prescription Doctor. He has been at the core of our team.

Published on: 11/08/2023 Reviewed on: 01/11/2023
Customer Service