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The exact etiology of gestational rhinitis remains multifactorial, but hormonal fluctuations are the primary drivers. Elevated levels of estrogen and progesterone are thought to exert several effects on the nasal mucosa. Firstly, estrogen increases vascular endothelial growth factor (VEGF) and histamine release, leading to vasodilation, increased capillary permeability, and glandular hypersecretion. Secondly, progesterone promotes increased blood volume and mucosal edema. Additionally, placental growth hormone may influence nasal blood flow. These hormonal shifts lead to a non-allergic, non-infectious inflammatory state, resulting in the classic triad of nasal congestion, rhinorrhea, and postnasal drip.
Introduction Pregnancy induces a complex cascade of physiological changes that affect virtually every organ system. Among the more common yet often underappreciated conditions is gestational rhinitis, defined as nasal congestion lasting six or more weeks during pregnancy, in the absence of any other allergic or infectious cause. Affecting an estimated 20% to 40% of pregnant individuals, particularly in the second and third trimesters, this condition can significantly impact quality of life, sleep, and even maternal blood pressure. This essay outlines the pathophysiology, clinical presentation, and evidence-based management strategies for rhinitis in pregnancy. rhinitis in pregnancy
The cornerstone of management is reassurance and non-pharmacological interventions, reserving pharmacological treatment for moderate to severe cases. leading to chronic intermittent hypoxia
Although generally benign, gestational rhinitis is not trivial. Severe nasal obstruction can exacerbate obstructive sleep apnea (OSA), leading to chronic intermittent hypoxia, which has been associated with gestational hypertension and preeclampsia. Furthermore, mouth breathing secondary to nasal blockage may worsen snoring and sleep fragmentation, contributing to maternal fatigue and reduced work productivity. Fortunately, no direct teratogenic effects are attributed to the condition itself; the primary risks stem from inappropriate self-medication. This essay outlines the pathophysiology