Hypersensitivity pneumonitis (HP) is an immune-mediated interstitial lung disease triggered by repeated inhalation of organic or inorganic antigens in susceptible individuals. Its heterogeneous and often nonspecific clinical presentation contributes to diagnostic delay, which may lead to progression toward irreversible pulmonary fibrosis. This case report describes a 51-year-old factory worker involved in toy-painting, who developed non-fibrotic HP related to occupational exposure to paint vapors, that was misdiagnosed several times in urgent care highlighting the challenges of early recognition in primary care and the importance of detailed occupational history in suspected respiratory disease.Clinical progression was documented through multiple primary care, emergency, and pulmonology evaluations over several months. Diagnostic work-up included serial chest radiographs, high-resolution computed tomography (HRCT), arterial blood gases, blood tests, pulmonary function testing, and bronchoscopy with bronchoalveolar lavage (BAL). HRCT findings revealed a centrilobular micronodular and ground-glass pattern, raising suspicion for HP. The diagnosis was ultimately supported by BAL lymphocytosis and clinical improvement after exposure cessation. Therapeutic interventions included inhaled bronchodilators, systemic corticosteroids, and occupational removal from the harmful environment.This case illustrates an under-recognized occupational exposure scenario—paint vapors in toy-manufacturing—as a potential trigger for HP.Key lessons include the central importance of an exhaustive occupational history, early suspicion when symptoms persist despite standard therapy, and prompt referral for advanced imaging and pulmonology assessment.Clear communication with the patient regarding transmission concerns and workplace risks was also essential.The role of family physicians in identifying early red flags when symptoms are initially attributed to benign respiratory or gastroesophageal conditions is oftentimes key to diagnosis. The prolonged diagnostic journey in this case raises the need for heightened clinical awareness, systematic assessment of workplace exposures, and timely multidisciplinary collaboration between family medicine, pulmonology, and occupational medicine.This case reinforces that early diagnosis and exposure avoidance are the cornerstone of favorable outcomes in HP. Family physicians, often the first point of contact, play a critical role in recognizing atypical or persistent respiratory symptoms and triggering appropriate multidisciplinary evaluation to prevent long-term pulmonary impairment.