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Price of Amikacin
Amikacin (pf) 100 mg/2 ml
* price without discount in nearest pharmacy. Price may vary.
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Amikacin volume of distribution
* 24 L (normal adult subjects)
What is Amikacin
Amikacin is a semi-synthetic aminoglycoside antibiotic derived from kanamycin A. Similar to other aminoglycosides, amikacin disrupts bacterial protein synthesis by binding to the 30S ribosome of susceptible organisms. Binding interferes with mRNA binding and tRNA acceptor sites leading to the production of non-functional or toxic peptides. Other mechanisms not fully understood may confer the bactericidal effects of amikacin. Amikacin is also nephrotoxic and ototoxic.
Amikacin mechanism of action
Aminoglycosides like Amikacin “irreversibly” bind to specific 30S-subunit proteins and 16S rRNA. Amikacin inhibits protein synthesis by binding to the 30S ribosomal subunit to prevent the formation of an initiation complex with messenger RNA. Specifically Amikacin binds to four nucleotides of 16S rRNA and a single amino acid of protein S12. This interferes with decoding site in the vicinity of nucleotide 1400 in 16S rRNA of 30S subunit. This region interacts with the wobble base in the anticodon of tRNA. This leads to interference with the initiation complex, misreading of mRNA so incorrect amino acids are inserted into the polypeptide leading to nonfunctional or toxic peptides and the breakup of polysomes into nonfunctional monosomes.
Dosage forms of Amikacin
|Injection||intramuscular; intravenous||250 mg/mL|
|Injection, solution||intramuscular; intravenous||1 g/4mL|
|Injection, solution||intramuscular; intravenous||250 mg/mL|
Fresenius Kabi USA, LLC
Enteric bacteria and other eubacteria
Indication of Amikacin
For short-term treatment of serious infections due to susceptible strains of Gram-negative bacteria, including Pseudomonas species, Escherichia coli, species of indole-positive and indole-negative Proteus, Providencia species, Klebsiella-Enterobacter-Serratia species, and Acinetobacter (Mima-Herellea) species. Amikacin may also be used to treat Mycobacterium avium and Mycobacterium tuberculosis infections.
Toxicity of Amikacin
Mild and reversible nephrotoxicity may be observed in 5 – 25% of patients. Amikacin accumulates in proximal renal tubular cells. Tubular cell regeneration occurs despite continued drug exposure. Toxicity usually occurs several days following initiation of therapy.
May cause irreversible ototoxicity. Otoxocity appears to be correlated to cumulative lifetime exposure. Drug accumulation in the endolymph and perilymph of the inner ear causes irreversible damage to hair cells of the cochlea or summit of ampullar cristae in the vestibular complex. High frequency hearing is lost first with progression leading to loss of low frequency hearing. Further toxicity may lead to retrograde degeneration of the 8th cranial (vestibulocochlear) nerve. Vestibular toxicity may cause vertigo, nausea, vomiting, dizziness and loss of balance.
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