HomeSTI Testing and TreatmentTinidazole



Tinidazole is for the treatment of a range of infections caused by bacteria and protozoa.

Can I buy Tinidazole online?

The Online Clinic is able to prescribe Tinidazole online for certain infections. Please complete a free consultation to get started. The consultation form will only take a minute or two to complete.

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What is Tinidazole?

The medicine Tinidazole can be used to treat various infections caused by microorganisms, specifically bacteria and protozoa. Bacterial infections include those of the vagina, womb lining, gut, respiratory system, and skin. Some of these infections are called abscesses, endometritis, gingivitis, pneumonia, septicaemia, and vaginitis, or they are associated with duodenal ulcers or post-operative wounds. Protozoal infections include those of the urinary-genital system (e.g., trichomoniasis), and stomach (e.g., giardiasis and amoebiasis).

Tinidazole works by penetrating the cell wall of the micro-organism and then damaging its DNA strands (inhibiting it multiplying) or inhibiting their construction.

How to use Tinidazole

Tinidazole comes in tablet form. Tablets should be swallowed whole with water either when you are eating a meal or soon after. Because of its various indications, your doctor will detail how much, how often, and how long to take Tinidazole. The dose regimen differs depending on what you are taking it for so, if unsure, you should confirm what your Tinidazole prescription is for.

It is important to complete the course of Tinidazole to stop the infection returning. However, seek medical help immediately if you take too many tablets; take the correct dose when you remember if you have forgotten to take it; and never take two doses because you missed a dose.

Who can use Tinidazole?

Tinidazole is for use by adults. It may be prescribed for children depending on their age and the infection that they have contracted. Women who are trying to conceive, in the first 3 months of pregnancy, or breast feeding (including 3 days after stopping breast feeding) should not take this medicine. Allergic reactions to Tinidazole or other products in the tablet, blood conditions (or a history of them), and nervous system disorder (e.g., epilepsy) may also preclude you taking Tinidazole.

Tinidazole side effects

Side effects tend to be mild and transient. An allergic reaction to Tinidazole (e.g., swelling of facial features and problems breathing), and seizures are very rare. More commonly, you may go off your food or feel/be sick, or have diarrhoea, stomach ache, headache, dizziness, itchy skin, and rash. Some other effects reported to occur while taking Tinidazole include weak, numb or painful hands and feet, loss of balance, fatigue, fever, flushing, sore mouth or mouth ulcers, taste disturbance, discoloured/swollen tongue, darkened urine, and a blood test may reveal a decrease in white blood cells. Most people will not suffer any side effects whatsoever.

You should avoid alcohol whilst taking Tinidazole and for at least 48 hours after stopping treatment, it can cause severe sickness and vomiting. Tinidazole is not recommended in pregnancy.

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Reviewed by: Dr Joyce Braaksma
GMC registration number: 4621289
Date: 21 March 2022
Next review: 22 March 2024
All UK registered doctors can have their registration checked on
The Medical Register at the GMC website.
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