Penicillin formula

Penicillin - an antibiotic in the penicillin group.

Pharmacological action

Benzylpenicillin has antibacterial properties, active against certain Gram-negative microorganisms (including against meningococci and gonococci) steptokokkov anaerobic rods which form spores, staphylococci, Spirochaetacea, Actinomeces spp.

Not Penicillin is active against many gram-negative bacteria, viruses, fungi, rickettsia, protozoa, destroyed by penicillinase.

In recent years there has been a change of sensitivity to the drug hemolytic streptococci, pneumococci, gonococci, staphylococci.

Product form

According Benzylpenicillin instructions intended only for administration intramuscularly, therefore available as a dry substance for the manufacture of a solution for injection.

The solvent is typically attached.


Penicillin is prescribed according to the instructions during the treatment of these diseases:

  • syphilis and other diseases caused by treponema (alone benzathine benzylpenicillin);
  • tonsillitis in the acute stage;
  • scarlet fever;
  • erysipelas and wound infections (Penicillin drug is usually combined with actions containing penicillins - Benzylpenicillin sodium salt, for example)

Penicillin is effective in preventing relapse of scarlet fever and rheumatic fever, inflammation, erysipelas, infectious complications of nature by removing the teeth and tonsils.

Instructions for use Benzilpenitsillina

 In the treatment of congenital syphilis in children administered two injections at 0, 6 million units of benzathine penicillin. In the appointment of two injections, it is better not to do in one place. Adults in the treatment of syphilis make one or two injections of 2, 4 million units.

During the therapy a pint (a tropical infection), prescribed to children 1, 2 million units, and the adults - 2, 4 million units. In the treatment of yaws, and tropical infections, children prick at 0, 6, 1, 2 million units, an adult - one or two injections of 1, 2 million units.

In the treatment of scarlet fever, tonsillitis, acute wound infections, tonsillitis appointed first Benzylpenicillin Benzylpenicillin sodium salt or potassium salt - the usual action of drugs. After the children up to 12 liters. administered 0, 6 million units every day or every three days, and adults - 1, 2 million units one or two injections every 7 days.

For the prevention of acute rheumatic endocarditis or rheumatic fever, prescribed to children up to 12 liters. one or two injections of 0, 6 million IU every four weeks. Adults and children older than 12 liters. - One or two injections every four weeks - 1, 2 million IU.

When prevention of inflammation erysipelatous prick 2 adults, 4 million units, and children - one injection of 0, 6 million units every two weeks or one injection of 1, 2 million units every three to four weeks.

To prevent complications of an infectious nature after minor surgical procedures prescribed Benzathine benzylpenicillin at 0, 6 - 1, 2 million units - the children, and 1, 2 million units - an adult. If we carried out extensive surgery to prevent infections Penicillin prescribed for children 1, 2 million units, and the adults - 2, 4 every week or two (up to full recovery).

Side effects

When using Benzilpenitsillina allergic symptoms (fever, rash, anaphylactoid and anaphylactic reactions, angioneurotic edema, arthralgia, exfoliative dermatitis, erythema multiforme), stomatitis, glossitis.

Prolonged use may cause Benzilpenitsillina superinfection.


According to the instructions Penicillin is not indicated in the presence of sensitivity to it, simultaneously with bacteriostatic antibiotics.

Gently appoint Penicillin if sensitivity to cephalosporins and patients who are prone to allergic reactions.

If you have allergic reactions, the drug overturned.