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Silver sulfadiazine

Silver sulfadiazine
Silver sulfadiazine Silvadene.svg
Clinical data
Trade names Silvadene
AHFS/Drugs.com Monograph
MedlinePlus a682598
Pregnancy
category
  • B (not recommended in late pregnancy)
Routes of
administration
Topical
ATC code
Legal status
Legal status
  • In general: ℞ (Prescription only)
Pharmacokinetic data
Bioavailability <1% (silver), 10% (sulfadiazine)
Protein binding High (silver)
Excretion 2/3 renal (sulfadiazine)
Identifiers
Synonyms (4-Amino-N-2-pyrimidinylbenzenesulfonamidato-NN,01)-silver, sulfadiazine silver, silver (I) sulfadiazine, 4-amino-N-(2-pyrimidinyl)benzenesulfonamide silver salt
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
ECHA InfoCard 100.040.743
Chemical and physical data
Formula C10H9AgN4O2S
Molar mass 357.14 g/mol
3D model (Jmol)
Melting point 285 °C (545 °F)
 NYesY (what is this?)  

Silver sulfadiazine, sold under the brand Silvadene among others, is a topical antibiotic used in partial thickness and full thickness burns to prevent infection. Tentative evidence has found other antibiotics to be more effective and therefore it is no longer generally recommended.

Common side effects include itching and pain at the site of use. Other side effects include low white blood cell levels, allergic reactions, bluish grey discoloration of the skin, red blood cell breakdown, or liver inflammation. Caution should be used in those allergic to other sulfonamides. It should not be used in pregnant women who are close to delivery. Silver sulfadiazine is not recommended in children less than two months.

Silver sulfadiazine was discovered in the 1960s. It is on the World Health Organization's List of Essential Medicines, the most effective and safe medicines needed in a health system. It is available as a generic medication. In the developing world the wholesale cost is between 0.004 and 0.072 USD per gram. In the United States a course of treatment is generally 25 to 50 USD.

Tentative evidence has found other antibiotics to be more effective and therefore it is no longer generally recommended. A Cochrane review from 2013 found that most of the trials had methodological shortcomings and thus are of little use. Another Cochrane systematic review from 2010 concluded, "There is insufficient evidence to establish whether silver-containing dressings or topical agents promote wound healing or prevent wound infection". Other reviews of the evidence have also concluded, "[the] quality of the trials was limited". Cochrane has raised concerns about delays in time to wound healing when SSD is used.


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