Silver sulfadiazine

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Silver sulfadiazine
Adult Indications & Dosage
Pediatric Indications & Dosage
Contraindications
Warnings & Precautions
Adverse Reactions
Drug Interactions
Use in Specific Populations
Administration & Monitoring
Overdosage
Pharmacology
Clinical Studies
How Supplied
Images
Patient Counseling Information
Precautions with Alcohol
Brand Names
Look-Alike Names

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Adeel Jamil, M.D. [2]

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Overview

Silver sulfadiazine is an antimicrobial agent that is FDA approved for the treatment of wound sepsis in patients with second and third degree burns. Common adverse reactions include burning sensation and rashes.

Adult Indications and Dosage

FDA-Labeled Indications and Dosage (Adult)

Dosing Information
  • Prompt institution of appropriate regimens for care of the burned patient is of prime importance and includes the control of shock and pain. The burn wounds are then cleansed and debrided, silver sulfadiazine cream, is then applied under sterile conditions. The burn areas should be covered with silver sulfadiazine cream, at all times. The cream should be applied once to twice daily to a thickness of approximately one sixteenth of an inch. Whenever necessary, the cream should be reapplied to any areas from which it has been removed by patient activity. Administration may be accomplished in minimal time because dressings are not required. However, if individual patient requirements make dressings necessary, they may be used.
  • Reapply immediately after hydrotherapy. Treatment with silver sulfadiazine cream, should be continued until satisfactory healing has occurred or until the burn site is ready for grafting. The drug should not be withdrawn from the therapeutic regimen while there remains the possibility of infection except if a significant adverse reaction occurs.

Off-Label Use and Dosage (Adult)

Guideline-Supported Use

There is limited information regarding Off-Label Guideline-Supported Use of Silver sulfadiazine in adult patients.

Non–Guideline-Supported Use

There is limited information regarding Off-Label Non–Guideline-Supported Use of Silver sulfadiazine in adult patients.

Pediatric Indications and Dosage

FDA-Labeled Indications and Dosage (Pediatric)

There is limited information regarding FDA-Labeled Use of Silver sulfadiazine in pediatric patients.

Off-Label Use and Dosage (Pediatric)

Guideline-Supported Use

There is limited information regarding Off-Label Guideline-Supported Use of Silver sulfadiazine in pediatric patients.

Non–Guideline-Supported Use

There is limited information regarding Off-Label Non–Guideline-Supported Use of Silver sulfadiazine in pediatric patients.

Contraindications

  • Silver sulfadiazine cream, USP 1% is contraindicated in patients who are hypersensitive to silver sulfadiazine or any of the other ingredients in the preparation.

Warnings

  • There is a potential cross-sensitivity between silver sulfadiazine and other sulfonamides. If allergic reactions attributable to treatment with silver sulfadiazine occur, continuation of therapy must be weighed against the potential hazards of the particular allergic reaction.

Precautions

General
  • If hepatic and renal functions become impaired and elimination of the drug decreases accumulation may occur. Discontinuation of silver sulfadiazine cream, should be weighed against the therapeutic benefit being achieved.
  • In considering the use of topical proteolytic enzymes in conjunction with Silver sulfadiazine cream, the possibility should be noted that silver may inactivate such enzymes.
Laboratory Tests
  • In the treatment of burn wounds involving extensive areas of the body, the serum sulfa concentrations may approach adult therapeutic levels (8 to 12mg %). Therefore, in these patients it would be advisable to monitor serum sulfa concentrations. Renal function should be carefully monitored and the urine should be checked for sulfa crystals.

Adverse Reactions

Clinical Trials Experience

  • Several cases of transient leukopenia have been reported in patients receiving silver sulfadiazine therapy.1,2,3 Leukopenia associated with silver sulfadiazine administration is primarily characterized by decreased neutrophil count. Maximal white blood cell depression occurs within two to four days of initiation of therapy. Rebound to normal leukocyte levels follows onset within two to three days. Recovery is not influenced by continuation of silver sulfadiazine therapy. An increased incidence has been seen in patients treated concurrently with cimetidine.

Postmarketing Experience

There is limited information regarding Postmarketing Experience of Silver sulfadiazine in the drug label.

Drug Interactions

There is limited information regarding Drug nteractions of Silver sulfadiazine in the drug label.

Use in Specific Populations

Pregnancy

Pregnancy Category (FDA): B

  • A reproductive study has been performed in rabbits at doses up to three to ten times the concentration of silver sulfadiazine in silver sulfadiazine cream, USP 1% and has revealed no evidence of harm to the fetus due to silver sulfadiazine. There are, however, no adequate and well-controlled studies in pregnant women. Because animal reproduction studies are not always predictive of human response, this drug should be used during pregnancy only if clearly justified, especially in pregnant women approaching or at term.


Pregnancy Category (AUS):

  • Australian Drug Evaluation Committee (ADEC) Pregnancy Category

There is no Australian Drug Evaluation Committee (ADEC) guidance on usage of Silver sulfadiazine in women who are pregnant.

Labor and Delivery

There is no FDA guidance on use of Silver sulfadiazine during labor and delivery.

Nursing Mothers

  • It is not known whether silver sulfadiazine cream, USP 1% is excreted in human milk. However, sulfonamides are known to be excreted in human milk and all sulfonamides derivatives are known to increase the possibility of kernicterus. Because of the possibility for serious adverse reactions in nursing infants from sulfonamides, a decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother.

Pediatric Use

There is no FDA guidance on the use of Silver sulfadiazine with respect to pediatric patients.

Geriatic Use

  • Of the total number of subjects in clinical studies of silver sulfadiazine cream, seven percent were 65 years of age and over. No overall differences in safety or effectiveness were observed between these subjects and younger subjects, and other reported clinical experience has not identified differences in responses between the elderly and younger patients, but greater sensitivity of some older individuals cannot be ruled out.

Gender

There is no FDA guidance on the use of Silver sulfadiazine with respect to specific gender populations.

Race

There is no FDA guidance on the use of Silver sulfadiazine with respect to specific racial populations.

Renal Impairment

There is no FDA guidance on the use of Silver sulfadiazine in patients with renal impairment.

Hepatic Impairment

There is no FDA guidance on the use of Silver sulfadiazine in patients with hepatic impairment.

Females of Reproductive Potential and Males

There is no FDA guidance on the use of Silver sulfadiazine in women of reproductive potentials and males.

Immunocompromised Patients

There is no FDA guidance one the use of Silver sulfadiazine in patients who are immunocompromised.

Administration and Monitoring

Administration

  • Topical

Monitoring

There is limited information regarding Monitoring of Silver sulfadiazine in the drug label.

  • Description

IV Compatibility

There is limited information regarding IV Compatibility of Silver sulfadiazine in the drug label.

Overdosage

There is limited information regarding Chronic Overdose of Silver sulfadiazine in the drug label.

Pharmacology

Template:Px
Silver sulfadiazine
Systematic (IUPAC) name
Silver [(4-aminophenyl)sulfonyl](pyrimidin-2-yl)azanide
Identifiers
CAS number 22199-08-2
ATC code D06BA01
PubChem 441244
DrugBank DB05245
Chemical data
Formula Template:OrganicBox atomTemplate:OrganicBox atomTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBox atomTemplate:OrganicBoxTemplate:OrganicBox atomTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBox atomTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBoxTemplate:OrganicBox 
Mol. mass 357.14 g/mol
SMILES eMolecules & PubChem
Synonyms (4-Amino-N-2-pyrimidinylbenzenesulfonamidato-NN,01)-silver, sulfadiazine silver, silver (I) sulfadiazine, 4-amino-N-(2-pyrimidinyl)benzenesulfonamide silver salt, dermazine, geben, silvadene
Physical data
Melt. point 285 °C (545 °F)
Pharmacokinetic data
Bioavailability <1% (silver), 10% (sulfadiazine)
Protein binding High (silver)
Metabolism ?
Half life ?
Excretion 2/3 renal (sulfadiazine)
Therapeutic considerations
Pregnancy cat.

B (not recommended in late pregnancy)

Legal status

Template:Unicode Prescription only

Routes Topical

Mechanism of Action

Structure

  • Silver sulfadiazine cream, USP 1% is a soft, white, water dispersible cream containing the antimicrobial agent silver sulfadiazine in micronized form for topical application. Each gram of silver sulfadiazine cream contains 10mg of micronized silver sulfadiazine.
  • This active agent has the following structural formula:
This image is provided by the National Library of Medicine.

Pharmacodynamics

Microbiology

  • Silver sulfadiazine has broad antimicrobial activity. It is bactericidal for many gram-negative and gram-positive bacteria as well as being effective against yeast. Results from in vitro testing are listed below.
  • Sufficient data have been obtained to demonstrate that silver sulfadiazine will inhibit bacteria that are resistant to other antimicrobial agents and that the compound is superior to sulfadiazine.
  • Studies utilizing radioactive micronized silver sulfadiazine, electron microscopy, and biochemical techniques have revealed that the mechanism of action of silver sulfadiazine on bacteria differs from silver nitrate and sodium sulfadiazine. Silver sulfadiazine acts only on the cell membrane and cell wall to produce its bactericidal effect.
This image is provided by the National Library of Medicine.

Pharmacokinetics

There is limited information regarding Pharmacokinetics of Silver sulfadiazine in the drug label.

Nonclinical Toxicology

There is limited information regarding Nonclinical Toxicology of Silver sulfadiazine in the drug label.

Clinical Studies

Carcinogenesis, Mutagenesis
  • Impairment of Fertility. Long-term dermal toxicity studies of 24 months duration in rats and 18 months in mice with concentrations of silver sulfadiazine three to ten times the concentration in silver sulfadiazine cream, USP 1% revealed no evidence of carcinogenicity.

How Supplied

Silver sulfadiazine cream, USP 1% - white to off-white cream

NDC Number Size

67877-124-20 20g tube

67877-124-25 25g tube

67877-124-05 50g tube

67877-124-85 85g tube

67877-124-50 50g jar

67877-124-40 400g jar

67877-124-10 1000g jar

Manufactured for:

Ascend Laboratories, LLC

Montvale, NJ 07645

Manufactured by:

Crown Laboratories, Inc.

Johnson City, TN 37604

Product information: 1-877-272-7901

P1840.01

PRINCIPAL DISPLAY PANEL - 25g

NDC 67877-124-25

Ascend Rx

Laboratories, LLC ONLY

Silver Sulfadiazine Cream, USP 1% Net Wt. 25g

Storage

Store at room temperature. 15°-30°C (56°-86°F).

Images

Drug Images

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This pill image is provided by the National Library of Medicine's PillBox.

Package and Label Display Panel

Silver Sulphadiazine drug lable.png
This image of the FDA label is provided by the National Library of Medicine.

Patient Counseling Information

There is limited information regarding Patient Counseling Information of Silver sulfadiazine in the drug label.

Precautions with Alcohol

  • Alcohol-Silver sulfadiazine interaction has not been established. Talk to your doctor about the effects of taking alcohol with this medication.

Brand Names

SILVER SULFADIAZENE®

Look-Alike Drug Names

There is limited information regarding Silver sulfadiazine Look-Alike Drug Names in the drug label.

Drug Shortage Status

Price

References

The contents of this FDA label are provided by the National Library of Medicine.