Yes, some allergies can last for months.
Understanding Long-Lasting Allergies
Allergies are caused by your immune system overreacting to a harmless substance, called an allergen. While many allergic reactions are short-lived, some can persist for extended periods. The duration depends on several factors, including the type of allergen, the individual's sensitivity, and ongoing exposure.
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Chronic Allergies: Some allergies are chronic, meaning they're persistent or frequently recurring. For instance, seasonal allergies (like hay fever) might last the entire pollen season, which can span several months. A chronic condition such as rhinitis, as noted in the provided reference, can last "for weeks to months with allergen exposure."
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Allergen Exposure: Continuous exposure to an allergen significantly prolongs the allergic reaction. If you're allergic to pet dander and live with a pet, your symptoms will likely persist. Similarly, if someone is allergic to dust mites, their symptoms may be present for extended periods because they are continuously exposed.
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Individual Sensitivity: People react differently to allergens. Some individuals experience mild, short-lived symptoms, while others may suffer from severe, long-lasting reactions.
Examples of Long-Lasting Allergic Reactions
- Seasonal Allergies (Hay Fever): These can last for months during pollen season.
- Allergic Rhinitis: As mentioned in the provided reference, this can persist for weeks or months with ongoing allergen exposure.
- Pet Allergies: Symptoms can be ongoing if exposed regularly to the allergen.
In summary, the duration of an allergic reaction is variable and depends on various factors. While some allergies are short-lived, others, especially those with continuous allergen exposure, can indeed persist for several months.