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Rare Case Of Late-Onset Myasthenia Gravis In A 65-Year-Old Female With Prolonged Doxycycline Use, Angel Wong, Kayvan Mirhadi

Advances in Clinical Medical Research and Healthcare Delivery

Myasthenia gravis (MG) is a rare autoimmune condition caused by antibody-mediated disruption of acetylcholine receptors (AChR) or their associated proteins. The age of onset of MG has a bimodal distribution, with a predominance of female cases in the second and third decades and a predominance of male cases in the sixth to eighth decades. MG is often unmasked by stressors such as systemic illness, medication, surgery, and pregnancy. We present a case of late-onset MG in a 65-year-old female with a recent history of prolonged doxycycline use. However, there are aspects of her past medical history, including comorbidities involving the …