When you Buy Ampicillin 500 mg over the counter: an instruction

Buy Ampicillin 500 mgBuy Ampicillin 500 mg – Ampicillin is characterized as a wide-spectrum bactericidal agent, especially destructive towards certain gram-negative microorganisms (Salmonella typhi, Neisseria gonorrhoeae, Haemophilus influenzae etc.). Its potency in the suppression gram-positive pathogens is lesser in comparison with benzylpenicillin. Its effect is attributed to the fact that it binds and inactivates the transpeptidase, which in its turn prevents the bacterial wall from strengthening up via the cross-linking of the peptidoglycan chains. This drug negatively affects reproduction and growth in bacteria, as well as causing elongation and lysis of susceptible unicellular species.

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Specifics of use and indications

Treatment of infections of microbialorigin, including:

  • Pathologies of the upper respiratory tract: bacterial pharyngitis and sinusitis.
  • Lower respiratory tract infections: pneumonia caused by S. pneumoniae, non-beta lactamase-producing H. influenzae, or Proteus mirabilis.
  • Bacterial endocarditis.
  • Genitourinary tract pathologies, including gonorrhea.
  • Infections of the skin and soft tissues.
  • Neonatal bacterial infections caused by S. agalactiae, E. coli, and L. monocytogenes.

*Due to the fact that many microorganisms are growing resistant to antibioticsthe appropriate practice maintains a necessity of recording an antibiogram. In some areas, E. coli shows resistance to ampicillin, so this drug should not constitute an empirical treatment in the management of urinary infections.

Chemical particulars

This pharmaceutical agent is deactivated by beta-lactamases (penicillinases) found in both gram-positive and gram-negative pathogens. Sulbactam is added as an irreversible inhibitor of those counteractive substances, protecting the main ingredient from enzymatic degradation. Depending on what online pharmacy you prefer, the medication may be presented as a prodrug called sultamicillin; it consists of two molecules linked by a double ester, which is hydrolyzed during absorption, releasing equimolar amounts of ampicillin and sulbactam. The mixture is administered orally and both active ingredients bind to plasma proteins in order to be distributed in the body, reaching various tissues, body fluids and secretions. Ampicillin is able to cross the placental barrier. Both drugs come to be partially metabolized in the liver and dissolve in the urine. The total elimination half-life is 60 to 90 min; in patients with kidney damage this process takes up to 24 h.

Pharmaceutical details

Rarely, excipients pose a risk of anaphylaxis for incompatible users.

The suspension normally includes sucrose and sodium benzoate.

The sodium content in the parenteral form does not exceed 2.9mEq/gram of the active substance.

When administering parenterally, patients should reconstitute the powder by adding the ampule’s watery contents. Once prepared, the injection volume must be used immediately since it loses its stability in less than one hour. When injected intravenously, the drug is compatible with most commonly available fluids (physiological serum, 5% to 10% glucose serum), but should not be mixed with blood, plasma, lipid emulsions, hydrolyzed proteins, or amino acid solutions.

Effective administration

The doses, route of administration and the interval between injections should be established according to the severity of the infection, the patient’s general condition and the sensitivity of the microbial targets. As per usual practice, adhere to the following:

  • Adults: 500 mg every 6 hours.
  • Children aged 1 to 3 years: 125 mg every 6 hours.
  • Children aged 3 to 6 years: 250 mg every 6 hours.

Highers severity may be a reason to increase the dose at the physician’s discretion.

Therapy should be continued 48-72 hours following the disappearance of the symptoms.

In sufferers of renal impairment, the dosage should be modified according to the degree of insufficiency.

Infections caused by beta-haemolytic streptococci require a prolonged treatment (up to ten days).

Side effects and incompatibilities

Buy Ampicillin 500 mgHigh efficacy of the drug, especially in cases when you buy ampicillin 500mg over the counter, may cause yeast infection as an outcome of a prolonged use.

In patients going through a course with allopurinol, ampicillin sometimes provokes the onset of rash.

Your concomitant oral contraceptives may decrease in the rate of intestinal absorption.

Some bacteriostatic agents, such as tetracyclines, can show antagonistic action and should not be used alongside this medicine.

As all penicillins accumulate to high levels in the serum, cerebral seizures can occur at higher dose. Therefore, proceed with caution with the dosing, especially in sufferers of renal failure.


There is only limited information on the acute toxicity of ampicillin/sulbactam in humans.

As a rule, the symptoms of overdose correspond to the side effect profile, except that those become increased in frequency and severity.

Rarely occurring yet acutely life-threatening is the appearance of anaphylactic shock that does not represent actual poisoning.

It is crucial to report all suspected adverse reactions in the post-authorization period. Correct data allows continuous monitoring of the benefit/risk ratio of the drug. Seek medical advice of healthcare professionals and report any suspected adverse reaction through your local branch of the pharmacovigilance system of medicines for human use.

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