Ecology and Evolution: Methicillin-resistant Staphylococcus Aureus (MRSA)


The cause of MRSA is a bacterium that infects various parts of the body (Stryjewski & Corey, 2014). Besides, it is challenging to treat MRSA compared to other forms of staphylococcus aureus (SA) since it is resistant to widely used antibiotics.


MRSA treatment differs based on several factors: infected region, infection, severity, and antibiotics that respond to MRSA strain. Treating MRSA involves the use of antibiotics. Also, decolonization may be used to treat MRSA. In this case, patients with MRSA are decolonized using antibacterial products such as body wash and powder to eliminate the bacteria from the skin. In the nose, antibacterial creams can be utilized to remove the bacteria, while antibacterial shampoo may be used to remove MRSA from the scalp. To ensure the effectiveness of these products, they should be used more than once daily for five days (Holmes & Howden, 2014). During decolonization, the patient must wash daily and use a clean towel to dry during each wash.

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If the skin and soft tissues are infected, treatment entails incision and drainage. This is where; a boil develops on the skin and soft tissues. As such, the boil is pierced with a sterilized needle or scalpel; this is to drain the pus and allow the infected region to heal. Before incision and drainage, a patient is given an anesthetic. However, for severe skin infections like cellulitis, treatment comprises antibiotics tablets. Moreover, when a patient develops a soft tissue or skin infection in a hospital, he/she is given antibiotic injections. This is a sign that the patient has a severe underlying issue.

When one is infected with MRSA in the hospital, they may be isolated to minimize the risk of spreading the bacteria to others. Again, the patient is given a combination of various antibiotic injections lasting for several weeks (Stryjewski & Corey, 2014).



Holmes, N. E., & Howden, B. P. (2014). What’s new in the treatment of serious MRSA infection? Current Opinion in Infectious Diseases, 27(6), 471-478.

Stryjewski, M. E., & Corey, G. R. (2014). Methicillin-resistant Staphylococcus aureus: An evolving pathogen. Clinical Infectious Diseases, 58(suppl 1), S10-S19.