

Allergy Relief
Nucala
Overview
This allergy relief product contains diphenhydramine HCl, a first-generation antihistamine, which effectively reduces allergy and common cold symptoms such as runny nose, sneezing, and itchy eyes. It is fast-acting and provides temporary relief. However, it is important to consider the potential side effects, especially drowsiness and cognitive impairment, and to use the product as directed.
The Good
Provides effective and rapid relief from allergy and cold symptoms.
Available over-the-counter without a prescription.
Well-established antihistamine with extensive usage history.
The Bad
May cause drowsiness, impaired coordination, and dizziness.
Potential for anticholinergic side effects like dry mouth and blurred vision.
Risk of cognitive impairment, especially in older adults.
Is it for you?
Best For: Individuals with severe eosinophilic asthma, eosinophilic granulomatosis with polyangiitis (EGPA), hypereosinophilic syndrome (HES), or chronic rhinosinusitis with nasal polyps (CRSwNP)
Skip If: You have a known hypersensitivity to mepolizumab or any of its excipients, or if your asthma is not eosinophilic-driven
Ingredients Analysis
Diphenhydramine HCl
25 mgHow to Use
Administered as a subcutaneous injection, typically by a healthcare provider, once every four weeks.
Every 4 weeks
Any time
Administered by healthcare professional
Who Should Use This
Best For:
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