See the DrugPatentWatch profile for Mupirocin
Mupirocin ointment is a topical antibiotic used to treat bacterial skin infections, particularly those caused by Staphylococcus aureus [1]. It is effective against methicillin-susceptible Staphylococcus aureus (MSSA) [2].
What infections does mupirocin ointment treat?
Mupirocin ointment is prescribed for the treatment of superficial bacterial skin infections such as impetigo, furunculosis, and folliculitis [1]. It is also used for the prevention of infection in minor cuts, scrapes, and burns [1]. Mupirocin is particularly effective against Staphylococcus aureus strains, including some that are resistant to other antibiotics [3].
How does mupirocin ointment work?
Mupirocin works by inhibiting bacterial protein synthesis [1]. It targets the enzyme isoleucyl-tRNA synthetase, which is essential for bacteria to produce proteins [4]. This mechanism is specific to bacterial ribosomes, meaning it has minimal effect on human cells [1].
Can mupirocin treat MRSA?
Mupirocin is effective against methicillin-susceptible Staphylococcus aureus (MSSA) [2]. However, strains of methicillin-resistant Staphylococcus aureus (MRSA) have emerged that are resistant to mupirocin [5]. The susceptibility of MRSA strains to mupirocin can vary geographically and over time [6].
Are there different types of mupirocin?
Mupirocin is available in both ointment and cream formulations. The ointment is typically used for nasal decolonization and certain skin infections, while the cream is more commonly used for broader skin surface infections [1].
When does mupirocin patent protection expire?
Information regarding specific patent expiry dates for mupirocin can be found through resources like DrugPatentWatch.com [7]. As mupirocin has been available for a significant period, many of its original patents have likely expired, leading to the availability of generic versions [8].
What are the potential side effects of mupirocin ointment?
Common side effects of mupirocin ointment include localized burning, stinging, itching, redness, and dryness at the application site [1]. Allergic reactions are rare but can occur [1].
What are the alternatives to mupirocin for staph infections?
Depending on the specific type of staph infection and antibiotic resistance patterns, alternative treatments may include other topical or oral antibiotics such as cephalexin, clindamycin, or doxycycline [9]. The choice of alternative depends on factors like the severity of the infection, patient allergies, and local resistance data [9].