Unveiling Mycobacterium fortuitum Lung Disease: A Case Linked to Pedicure Practices

<i>Mycobacterium fortuitum</i> (<i>M. fortuitum</i>) is a rapidly-growing mycobacterium (RGM) that can lead to a variety of infections affecting the lungs, skin, and soft tissue. Pulmonary infections with <i>M. fortuitum</i> primarily affect individuals with pre-existing lung conditions, although exposure through contaminated water sources, such as pedicures and nail salon whirlpool footbaths, has also been documented. We present a case of a previously healthy young male presenting with respiratory symptoms and systemic signs suggestive of infection. Following extensive diagnostic workup, <i>M. fortuitum</i> was identified in sputum samples, leading to a favorable response to targeted antibiotic therapy. This case underscores the importance of considering <i>M. fortuitum</i> in differential diagnoses of pulmonary infections and skin infections, particularly in patients without known risk factors.