Paroxysmal sneezing on getting up early in morning from bed is associated with
Paroxysmal sneezing in the morning is a classic sign of allergic rhinitis. When someone with allergies lies down at night, mucus might pool in the nasal passages. Upon standing in the morning, gravity redistributes this mucus, triggering sneezing. Also, allergens like dust mites in the bedding could be a factor.
The core concept here is allergic rhinitis and its triggers. The correct answer would be allergic rhinitis. Now, the options A to D are missing, but common distractors might include conditions like vasomotor rhinitis, sinusitis, or even migraines. Let's think about why the other options are incorrect.
Vasomotor rhinitis can cause sneezing but is more related to non-allergic triggers like temperature changes. Sinusitis usually presents with facial pain and thick discharge. Migraines might have nasal symptoms but not typically morning sneezing. The clinical pearl is that morning sneezing is a red flag for allergic rhinitis. Need to make sure the explanation is concise and covers all the required sections without the actual options.
**Core Concept**
Paroxysmal sneezing upon waking is a hallmark of **allergic rhinitis**, driven by allergen exposure (e.g., dust mites in bedding) and nocturnal mucus pooling. It reflects Type I hypersensitivity mediated by IgE and mast cell degranulation.
**Why the Correct Answer is Right**
In allergic rhinitis, allergens inhaled during sleep (e.g., dust mites, pet dander) trigger mast cell degranulation, releasing histamine and other mediators. This causes acute nasal inflammation, mucus production, and sneezing. Morning sneezing is exacerbated by overnight allergen accumulation and recumbent posture facilitating mucus pooling, which is redistributed upon standing, stimulating nasal receptors.
**Why Each Wrong Option is Incorrect**
**Option A:** *Vasomotor rhinitis* causes non-paroxysmal, non-allergic sneezing triggered by temperature/irritants, not allergens.
**Option B:** *Rhinosinusitis* presents with purulent nasal discharge, facial pain, and fever, not isolated paroxysmal sneezing.
**Option C:** *Nasal polyps* are associated with chronic inflammation (e.g., in cystic fibrosis or Samter’s triad), not acute morning sneezing.
**Clinical Pearl / High-Yield Fact**
Never miss **allergic rhinitis** in patients with morning sneezing and nasal congestion. Use the **“morning sneeze”** as a diagnostic clue—treat with nasal corticosteroids and allergen avoidance.
**Correct Answer: C. Allergic rhinitis**