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Buy Solosec Online
Buy Solosec Online

This medicine contains secnidazole. It is indicated for the treatment of:

  • urethritis and vaginitis caused by Trichomonas vaginalis, bacterial vaginosis,
  • intestinal amoebiasis and hepatic amoebiasis,
  • giardiasis.

Secnidazole is an antiparasitic antibacterial antibiotic from the nitro-5-imidazole family.

Amoebicidal against Entamoeba histolytica, it is also active against Giardia lamblia and Trichomonas vaginalis.

How To Take

The recommended dose is:

Urethritis and vaginitis, bacterial vaginosis:

  • adults: 1 tablet of 2 g, taken as a single dose; dose to be taken on a single day.

Intestinal amoebiasis

Acute symptomatic amoebiasis:

  • adults: 1 x 2g tablet, taken as a single dose; dose to be taken on a single day
  • children: 30 mg/kg/day, taken as a single dose; dose to be taken on a single day.

Asymptomatic amoebiasis: same dose daily, for 3 days.

Hepatic amoebiasis:

  • adults: 1.5 g daily, in one or more doses, for 5 days.
  • for children, the prescribed dosage is 30 mg per kilogram of body weight per day, administered in one or multiple doses over a period of 5 days.


  • for children, the dosage is 30 mg per kilogram of body weight per day, to be administered in a single dose and taken on one day only.

Method and route of administration

Oral administration

This medicine should be taken at the start of a meal.

The granules can be swallowed without chewing with a sip of liquid or mixed with semi-solid foods (purée, jam, yoghurt, etc.).

Duration of treatment

To be effective, this medicine must be used regularly at the prescribed doses and for as long as your doctor advises.

The resolution of fever or other symptoms does not necessarily indicate that you have fully recovered. Fatigue experienced during this time is attributed to the infection itself, not the antibiotic treatment. Altering or discontinuing your medication prematurely will not alleviate this fatigue and could potentially prolong your recovery process.

If you have taken more Solosec than you should have

Taking too much of this medicine may cause neurological problems. Consult your doctor.

If you forget to take Solosec

Do not take a double dose to make up for the one you have forgotten to take.

Side Effects

As with all medicines, this medicine may cause undesirable effects, but they do not occur systematically in everyone.

Common side effects

Nausea, vomiting, stomach pain, metallic taste in the mouth, inflammation of the tongue, inflammation of the oral cavity.

Rare adverse reactions

Headache, dizziness, difficulty coordinating movements, tingling sensations, damage to certain nerves with sensory and motor disorders.

Immediate allergic reaction (fever, redness, urticaria (skin rash similar to that caused by nettle stings), angioedema (sudden swelling of the face and neck)).

Undetermined frequency

Abnormally low white blood cell count (reversible on discontinuation of treatment).

If you notice any side effects not mentioned in this leaflet, or if any side effects become serious, please tell your doctor or pharmacist.


Never take Solosec:

  • if you are allergic to the active substance, to the imidazole family or to any of the other ingredients of this medicine.

Before taking Solosec, tell your doctor if you have any blood disorders.

Tell your doctor immediately if any of the following occur during treatment with Solosec:

There is a risk of a sudden severe allergic reaction (angioedema), manifested by sudden swelling of the face and neck. If these symptoms occur, stop taking this medicine and contact your doctor immediately.

Children and adolescents

Not applicable.

Other medicines and Solosec

Tell your doctor or pharmacist if you are taking, have recently taken or may take any other medicines.

In particular, tell your doctor if you are taking medicines containing alcohol, as there is a risk of reactions such as flushing of the face, heat, vomiting and increased heart rate.

Solosec and alcohol

Avoid consuming alcoholic beverages during this treatment due to the risk of reactions such as flushing of the face, heat, vomiting and increased heart rate.

Driving vehicles and using machines

Drivers and users of machinery in particular should be aware of the risk of dizziness associated with the use of this medicine.

Pregnancy and Breastfeeding

It is preferable not to use this medicine during the first trimester of pregnancy. After the first trimester, this medicine may be used.

It is preferable to avoid taking this medicine while breast-feeding or to suspend breast-feeding for 24 hours if you take this medicine only once.

If you are pregnant, breastfeeding, suspect you might be pregnant, or are considering pregnancy, please consult your doctor for guidance prior to using this medication.

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