Zidoval is an antibacterial gel that treats infection in the vagina (called Bacterial Vaginosis) in adults. It works by killing the bacteria that caused the infection. Zidoval gel is applied directly inside the vagina.

  • Effective BV Treatment
  • Topical Gel
  • Easy Use
  • Genuine Treatment
  • Sourced In The UK
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UK Medication

Dispensed by registered UK pharmacists

Frequently Asked Questions

What Zidoval Used For? 

Zidoval is an antibacterial gel that treats infection in the vagina (called Bacterial Vaginosis) in adults. It works by killing the bacteria that caused infection or BV but is not suitable to use for all types of vaginal infections. Zidoval gel is applied directly inside the vagina. Zidoval Vaginal Gel contains an active ingredient called metronidazole which is an antibacterial agent. The gel is available on prescription in the UK. 

What Is Zidoval Made of? 

Zidoval gel contains the active substance: metronidazole. Each full applicator or 5 grams of Zidoval vaginal gel contains 37.5mg of the active ingredient: Other ingredients are: Carbopol 974P, disodium edetate, methyl parahydroxybenzoate (E218), propyl parahydroxybenzoate (E216), propylene glycol (E1520), sodium hydroxide (E524) and purified water.

Note: If you are allergic to any of the ingredients of Zidoval Vaginal Gel, it is recommended that you do not use the gel or consult your doctor or pharmacist first.

How to Use Zidoval Gel? 

Zidoval is a vaginal gel that treats vaginal infection called Bacterial Vaginosis thus must be applied directly inside the vagina where the infection is. With the use of an applicator, the right dosage of gel is inserted to the vagina. Upon prescription, you must follow what exactly your doctor instructs you in applying the product. Ask your doctor or pharmacist on the right dosage for you. 

Where To Buy Zidoval? 

You can buy Zidoval with a prescription in the UK. You can buy this medicine online at True Medical as long as you have a prescription from your doctor. The treatment will be delivered to your UK shipping address in an unlabeled, discrete package.

Want To Know More About Zidoval?

Good hygiene must be practised while using Zidoval gel. Wash your hands before opening the tube or touching the applicator (set of applicators come along with the gel). To open the tube, simply unscrew and use the pointed tip of the cap to pierce in the metal seal. To fill in an applicator, screw its open end to the end of the open tube. Squeeze the tube gently and slowly from the bottom to fill in the 5g dose of Zidoval gel. The plunger will move as the applicator fills. Released the applicator from the tube and replace the cap on the tube. 

Hold the filled applicator from its barrel. Gently and slowly insert the applicator to the vagina as far as it will comfortably go. Release the gel into your vagina by slowly pushing the plunger down to the applicator. Continue pressing down until the plunger stops to ensure that you have released the correct amount of gel. Remove the applicator from your vagina and throw it immediately to the waste bin. 

Repeat the procedure for 5 consecutive days or as prescribed by your doctor. Use fresh applicator every time you apply. It is advisable to apply the gel at night or bedtime while laying at your back with your knees up for a more comfortable position. Complete the necessary days or times you should apply the gel.

If you missed a night Zidoval gel application, apply the right dosage as soon as you remember it in the morning then continue to take the next dosage in the evening even if you have to apply 2 times on the same day. If after the prescribed days of using the gel you still don’t feel better, do not use more Zidoval gel than you should as this may result in an increased risk of side effects. It is better to consult your doctor again. 

Zidoval gel is for the treatment of infection in the vagina caused by imbalance bacteria. Specifically, it is for the treatment of Bacterial Vaginosis and should not be used for the treatment of all types of vaginal infection. Here are some key notes before you use the gel:

You Should Not Use Zidoval Gel If:

  • You are allergic to its active substance metronidazole or other ingredients of the gel.
  • You are allergic to paraben (a preservative agent present on the gel)
  •  You are allergic to any similar nitroimidazole antibacterials

Warnings and precautions

If you have any of the following, please consult your doctor before using Zidoval:

  • You have or had blood problems or any disease concerning the blood
  • If you have, or you think you have vagina thrush (candidiasis)
  • If you have your period
  • If you are having a blood test (Zidoval gel may interfere with the result of some blood test)
  • If you are taking lithium or disulfiram or cyclosporin or 5-Fluorouracil
  • If you have a disease of the blood, liver, kidneys or central nervous system
  • If you are taking Carmustine (BCNU) or cyclo-phosphamide

Note: you should avoid sexual intercourse during the infection and while on the use of Zidoval. Do not use unnecessary and prolonged. 

Age Group


Medicine’s safety is not yet established for this group thus must not be used by the elderly. Consult your doctor or pharmacist.

Children and Adolescents

Zidoval is not recommended for use in children under 18 years of age. Medicine’s safety is not yet established for this group. Consult your doctor or pharmacist.

Pregnant and Breastfeeding

If you are breastfeeding, pregnant or you think you are pregnant or planning to have a baby you must consult your doctor or pharmacist for advice before you take this medicine or how to treat the infection. 

Like all medicines, Zidoval can cause side effects but not everybody who uses the gel gets them. 

Common Side Effects (May affect up to 1in 10 people)

  • Stomach cramps
  • Headache and dizziness
  • ‘Being sick
  • Unusual feeling on your tongue
  • Unpleasant taste in your mouth
  • Dry or itching of the skin
  • Redness of the skin
  • Skin irritation or discomfort
  • Vaginal thrush (candidiasis)
  • Vaginal discharge
  • Discomfort around your pelvis
  • Decreased appetite

Uncommon Side Effects (May affect up to 1 in 100 people)

  • Feeling sick
  • Depression
  • Feeling irritable
  • Tiredness
  • Difficulty in sleeping
  • An unusual feeling in your fingers and toes
  • Diarrhoea
  • Constipation
  •  Metallic taste in your mouth
  • A dry mouth or feeling thirsty
  • Bloated or gurgling stomach
  •  Muscle cramps
  •  Darkened urine 
  • Urinary tract infections (UTIs) that may cause pain or
  • A burning sensation when you pass water or may make
  • Swelling of your vulva (the outside of your vagina)
  •  Changes in your periods such as spotting or increased discomfort during your period

Tell Your Doctor

If any of the following is severe enough to worry you, tell your doctor:

  • Abnormal vaginal discharge
  • Itching, burning or swelling in your vagina or vulva
  • Feeling sick and depressed

Note: If you experience any other side effects not included above while taking Zidoval, you must tell your doctor. 

Low amounts of Metrodinazole in the vagina can be absorbed in the bloodstream. It is recommended not to use other medicine when using Zidoval Vaginal Gel. Tell your doctor or pharmacist if you are recently taken, might take or you are taking any other medicine. 

The use of Zidoval gel may increase the effect of the following your medicine could have:

  • Coumarin anticoagulants, such as warfarin 
  • Lithium (a medicine to treat mental illness)
  •  Cyclosporin (a medicine used to treat autoimmune diseases and rheumatoid arthritis)
  • 5-fluorouracil (a medicine used for skin problems)
  •  Any other medicine, including medicines obtained without treatment of cancer prescription