Controlled-release vaginal vitamin C tablets Prevegyne® is recognized by the SOGC and clinically proven to help reduce/relieve symptoms of non-specific vaginitis/bacterial vaginosis.

Available without a prescription at the pharmacy counter.

What is non-specific vaginitis/bacterial vaginosis?

Under normal circumstances, the vagina is colonized by different types of bacteria (microorganisms) known as “vaginal flora”. Normal vaginal flora consists of both “protective bacteria” and “harmful bacteria”. The “protective bacteria”, known as lactobacilli, helps prevent infection “in part by maintaining an acidic pH in the vagina and ensuring that hydrogen peroxide is present in the environment”.

A change in the normal balance of vaginal flora, where the number of good bacteria (lactobacilli) decreases, allows harmful bacteria to grow and multiply. This growth of harmful bacteria can result in several types of vaginal infections, known as vaginitis.

Bacterial vaginosis, also known as non-specific vaginitis, is the most common cause of vaginitis.

Risk factors

Although the exact cause of bacterial vaginosis is not fully understood, risk factors include:

  • Sexual activity (risk increases with number of sex partners)
  • Smoking
  • Use of vaginal douches or intravaginal products

Signs and symptoms

Approximately 50-75% of women with bacterial vaginosis report no symptoms. Those who do report symptoms typically have abnormal vaginal discharge (usually off-white, grey and thin) with an unpleasant fishy smell that can be more noticeable after sexual intercourse or during menstruation.


If you are experiencing any of these bothersome symptoms, they can be treated with vaginal vitamin C tablets like Prevegyne®.*
Prevegyne® works by decreasing the pH level inside the vagina, i.e., making it more acidic. A more acidic environment promotes the growth of protective (lactobacilli) bacteria while making it difficult for harmful bacteria to survive.

* If you have never been diagnosed with bacterial vaginosis, it is recommended that you consult your doctor, pharmacist or other healthcare professional before using Prevegyne®.
BEFORE using Prevegyne® talk to your doctor, pharmacist or other healthcare professional if you are:

  • have a vaginal infection due to Candida
  • are taking anticoagulants (blood thinners)
  • have hemolytic anemia (premature destruction of red blood cells)

Do not use Prevegyne® if you are pregnant or breastfeeding.

Prevegyne® is a natural health product (NPN 80038565) that is recognized by the SOGC and clinically proven to help reduce/relieve the symptoms of non-specific vaginitis/bacterial vaginosis.


Simple and effective

Available without a prescription



Six-day treatment to help reduce/relieve the symptoms of non-specific vaginitis/bacterial vaginosis and eliminate unpleasant odour. Vaginal pH decreases by 20% after the first administration.

Simple and effective

Prevegyne® tablets are easy and comfortable to insert using the included applicator; restores the balance of vaginal flora and normal vaginal pH levels in just a few days.

Available without a prescription

Available without a prescription at your pharmacy counter. Ask your pharmacist for Prevegyne®.

About Duchesnay

Duchesnay is a specialty pharmaceutical company with a long-standing commitment to women’s health. In addition to filling the void in terms of scientific research, education and information and developing pharmacological solutions that are safe for use during pregnancy and breastfeeding, Duchesnay is equally committed to ensuring women’s health and improving their quality of life at every stage.

Thus, Duchesnay has broadened its portfolio of products to offer safe and effective therapeutic options that meet the health and quality of life needs of women and their family members at different stages of their lives.

To learn more about Duchesnay, visit