M60.011

Clinical Causes: Bacterial infections, such as Staphylococcus or Streptococcus bacteria, entering the muscle tissue through wounds or spread from other infected areas. Viral infections, including influenza and HIV, which can cause muscle inflammation as part of systemic illness. Fungal infections, although less common, particularly in immunocompromised individuals. Trauma or muscle injury that creates an entry point for infectious agents. Spread of infections from adjacent tissues, like skin or joint infections, into the muscle.

Key Symptoms: Pain in the right shoulder that may worsen with movement or touch. Swelling or tenderness over the affected muscle. Limited range of motion in the shoulder joint, making activities difficult. Muscle weakness or fatigue in the shoulder area. Fever and general feeling of discomfort or malaise in some cases. Redness or warmth over the inflamed muscle, indicating infection.

Diagnosis Path: Physical examination to assess pain, swelling, tenderness, and range of motion. Blood tests to identify signs of infection, such as elevated white blood cell counts and inflammatory markers like ESR or CRP. Imaging studies, such as MRI or ultrasound, to visualize muscle inflammation and rule out other conditions. Muscle biopsy or culture, if necessary, to identify the specific infectious organism responsible for the inflammation.

Treatment Protocols: Antibiotics or antimicrobial medications tailored to the identified pathogen, administered orally or intravenously. Rest and immobilization of the affected shoulder to reduce strain and facilitate healing. Pain relievers, such as NSAIDs, to manage discomfort and reduce inflammation. In cases of abscess formation, surgical drainage may be necessary. Monitoring for resolution of symptoms and prevention of complications through follow-up evaluations.