M60.00

Clinical Causes: Bacterial infections, such as Staphylococcus aureus or Streptococcus species Viral infections, including influenza or HIV Parasitic infections like trichinellosis or toxoplasmosis Other infectious agents that invade muscle tissue Secondary infection following trauma or injury to muscles

Key Symptoms: Muscle pain and soreness Swelling in affected muscles Weakness or reduced strength in muscles Fever and chills Fatigue and malaise Redness and warmth over affected muscles

Diagnosis Path: Diagnosing infective myositis involves a combination of clinical examination and laboratory tests. Healthcare providers may recommend: - Blood tests to identify elevated muscle enzymes, such as creatine kinase (CK), and markers of infection like increased white blood cell count - Blood cultures or specific infectious disease tests to detect causative agents - Imaging studies, such as MRI, to visualize muscle inflammation - Muscle biopsy in uncertain cases to identify infectious organisms and inflammation Accurate diagnosis is essential to distinguish infective myositis from other muscle disorders and to determine appropriate treatment.

Treatment Protocols: Treating infective myositis typically involves addressing both the infection and the inflammation: - Antibiotics or antiviral medications tailored to the specific infectious agent - Supportive care, such as rest and adequate hydration - Pain management using non-steroidal anti-inflammatory drugs (NSAIDs) - Physical therapy to restore muscle strength and function after inflammation subsides - In some cases, corticosteroids may be prescribed if inflammation is severe, but only under medical supervision Close monitoring of symptoms and follow-up tests are important to assess treatment effectiveness and recovery progress.