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Abstract
Purpose: Minoxidil is one of the drugs approved for the treatment of androgenetic alopecia. This article presents a case of central serous chorioretinopathy after application of topical minoxidil solution.
Methods: We examined a 37-year-old man who complained of a positive relative scotoma, metamorphopsia and impaired dark adaptation involving the right eye. The patient reported an 8 month history of daily topical use but denied previous treatment with other drugs. Dilated fundus examination of right eye revealed central swelling located over the macula. Optical coherence tomography showed the presence of subretinal fluid. Fluorescein angiography disclosed one focal hyperfluorescent spot in the foveal area with minimal pigmentary changes limitated to that area. The patient was diagnosed with central serous chorioretinopathy (CSC) potentially related to an 8 month topical minoxidil solution administration. One month after the drug was discontinued, normal findings were found upon reexamination. The patient reported no previous episode of CSC.
Conclusion: Major systemic side effects from topical solution of minoxidil are rare. To our knowledge, this is the first reported case of a central serous chorioretinopathy associated with long-term use of this drug.