Active factor (INN – International Non-proprietary Name)

Metamizole sodium


Code ATC: N02BB02


Pharmacotherapeutic group



Pharmacological properties

The drug has analgesic, antipyretic, and weak anti-inflammatory effects.


Indications for use

Pain syndrome, with severe intensity, of different origin (renal and biliary colic, neuralgia, myalgia, post-traumatic pain, headache, toothache, and menalgii). Fever in infectious and inflammatory diseases.


Pharmaceutical form

50% solution in ampoules of 2 ml, 1 ml.



Local anaesthetic drugs
Nootropic drugs
Antihypertensive drugs
Drugs for a parenteral food
Medicines applied at poisonings and intoxications
Medicines for metabolic processes correction
Medicines for peripheric blood circulation
Mineral drugs, microcells
Salt solutions
Analgesic and antispasmodic drugs
Nonsteroidal anti-inflammatory drugs