Overview
11 DESCRIPTION Mupirocin cream USP, 2% contains the dihydrate crystalline calcium hemi-salt of the RNA synthetase inhibitor antibacterial, mupirocin. Chemically, it is (α E ,2 S ,3 R ,4 R ,5 S )-5-[(2 S ,3 S ,4 S ,5 S )-2,3-epoxy-5-hydroxy-4-methylhexyl]tetrahydro-3,4-dihydroxy-β-methyl-2 H -pyran-2-crotonic acid, ester with 9-hydroxynonanoic acid, calcium salt (2:1), dihydrate.
Mechanism of Action
12 CLINICAL PHARMACOLOGY 12.1 Mechanism of Action Mupirocin is an RNA synthetase inhibitor antibacterial [see Microbiology ( 12.4 )]. 12.3 Pharmacokinetics Absorption Systemic absorption of mupirocin through intact human skin is minimal. The systemic absorption of mupirocin was studied following application of mupirocin cream 3 times daily for 5 days to various skin lesions greater than 10 cm in length or 100 cm 2 in area in 16 adults (aged 29 to 60 years) and 10 children (aged 3 to 12 years). Some systemic absorption was observed as evidenced by the detection of the metabolite, monic acid, in urine.
Indications
- 1 INDICATIONS AND USAGE Mupirocin cream is indicated for the treatment of secondarily infected traumatic skin lesions (up to 10 cm in length or 100 cm 2 in area) due to susceptible isolates of Staphylococcus aureus (S. aureus) and Streptococcus pyogenes (S. pyogenes) . Mupirocin cream is an RNA synthetase inhibitor antibacterial indicated for the treatment of secondarily infected traumatic skin lesions (up to 10 cm in length or 100 cm 2 in area) due to susceptible isolates of Staphylococcus aureus and Streptococcus pyogenes . ( 1 )
Common Doses
- Refer to label
Dosage
2 DOSAGE AND ADMINISTRATION For Topical Use Only. Apply a small amount of mupirocin cream, with a cotton swab or gauze pad, to the affected area 3 times daily for 10 days. Cover the treated area with gauze dressing if desired. Re-evaluate patients not showing a clinical response within 3 to 5 days. Mupirocin cream is not for intranasal, ophthalmic, or other mucosal use [see Warnings and Precautions ( 5.2 , 5.6 )]. Do not apply mupirocin cream concurrently with any other lotions, creams or ointments [see Clinical Pharmacology ( 12.3 )]. For Topical Use Only.
Contraindications
- 4 CONTRAINDICATIONS Mupirocin cream is contraindicated in patients with known hypersensitivity to mupirocin or any of the excipients of mupirocin cream. Known hypersensitivity to mupirocin or any of the excipients of mupirocin cream. ( 4 )
Side Effects
- 6 ADVERSE REACTIONS The following adverse reactions are discussed in more detail in other sections of the labeling: Severe Allergic Reactions [see Warnings and Precautions ( 5.1 )] Eye Irritation [see Warnings and Precautions ( 5.2 )] Local Irritation [see Warnings and Precautions ( 5.3 )] Clostridium difficile -Associated Diarrhea [see Warnings and Precautions ( 5.4 )] The most frequent adverse reactions (at least 1%) were headache, rash, and nausea. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact FDA at 1-800-FDA-1088 or www.fda.gov/medwatch . 6.
Interactions
- No major interactions listed on the FDA label. Always consult a healthcare professional.