Bactroban
Bactroban
Bactroban (Mupirocin)Bactroban - the preparation of a natural parentage received from culture Pseudomonas fluorescens. On a chemical structure and the action mechanism differs from others preparations.
The action mechanism
Antibacterial action of Bactroban is bound to inhibition of enzyme of an izolejtsil-trnk-synthetase therefore synthesis of bacteriemic fibers, to a lesser degree - synthesis of DNA and formation of a cellular wall. In connection with uniqueness of the given mechanism two-dimensional resistance of Bactroban with other classes is absent. However there is a possibility of selection of fastness to Bactroban at use Tetracyclinum, Trimethoprimum and antiseptics as a result of joint carrying over of refractory genes. Depending on concentration of Bactroban can render both bacteriostatic, and bactericidal action. Considering high local concentration of a preparation, in overwhelming majority of cases it operates bactericidally.
Activity spectrum
The main clinical value of Bactroban consists in operation on the majority of strains of staphilococcuses, including MRSA.
Pharmacokinetics
Bactroban practically is not soaked up from a surface of the intact skin (less than 0,24 % of a dose), through a mucosa of a nose absorption is a little bit more (1,2-5,1 % of a dose). The absorption can be enlarged in the presence of damages. The preparation frames high and stable concentration in skin blankets. Can be exposed to a partial slow inactivation in a skin. The soaked up part of Bactroban is quickly metabolized with formation inactive acids which is deduced mainly by kidneys. Bactroban contacts to fibers well (more than 97 %), therefore its effect is weakened in the presence of blood serum.
Undesirable reactions
At external application: a xeroderma, a burning sensation, an itch, a pain, an eruption, a hyperemia, an edema.
At intranasal introduction: tussis, breath disorders, a pain in an ear, a headache, a pharyngitis, a rhinitis, taste change.
Indications
Skin infections: a furunculosis, a folliculiti, an erypsipelas, the trophic ulcers, the infected eczema, including caused MRSA.
External otitis (except malignant).
Preventive maintenance of bacteriemic infections of a skin at wounds, grazes, combustions.
Hypersensitivity to Bactroban and-or to any component which is a part of the medicinal form.
Preventions
Pregnancy. Adequate researches of safety at pregnant women it was not spent. To apply at pregnancy it is not recommended.
Feeding by a breast. Penetration of Bactroban in thoracal milk is not studied. In connection with absence of adequate data about safety to apply at the women nursing, it is not recommended.
Pediatrics. According to data of pharmacokinetic researches, at the newborn and not full-term appreciable system absorption of Bactroban after intranasal introduction is observed. Safety of intranasal introduction of Mupirocin at newborns and children till 12 years is not studied, therefore intranasal application for these age groups is not recommended.
The information for patients
To use a preparation follows regularly, approximately at a time, it is impossible to apply the passed dose if there has almost come time of application of the following dose, it is impossible to double a dose.
Strictly to observe conformity of the used medicinal form to indications to application. It is impossible to enter dermatological ointment.
Before application of dermatological ointment it is necessary to wash up arms with soap and carefully them to dry up. A preparation small amount put on the amazed sites of a skin and accurately rub. If necessary it is possible to cover the amazed sites with gauze bandages.
It is necessary to avoid hit Bactroban in eyes as it can cause burning sensation and a dacryagogue which can remain within some days and even weeks.
At occurrence of an appreciable boring, an itch, an eruption it is necessary to stop use Bactroban and to address to the doctor.
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