Allergic Rhinitis & Dust Allergy: 8 Questions People Ask Most (Simple, Direct Answers)
Allergic rhinitis — nasal allergy, dust allergy, hay fever, whatever name you know it by — is one of the most common reasons patients visit an ENT clinic, and also one of the most poorly understood. Here are direct answers to the questions asked most often, in clinic and online.
Q1. Is allergic rhinitis actually a serious condition, or just “a bit of sneezing”?
It’s more than “a bit of sneezing” — for many people it is a chronic condition that quietly affects quality of life for years. Allergic rhinitis affects an estimated 20% of children and 30% of adolescents, and around 20–30% of the Indian population overall. It has a measurable negative effect on physical, social and psychological wellbeing, as well as on school and work performance. The reason it’s often dismissed is that the symptoms are familiar and rarely dangerous on their own — but the cumulative burden, especially when untreated for years, is significant.
Q2. Is allergic rhinitis genetic? Did I “give” this to my child?
It is strongly hereditary — but this isn’t about blame, it’s about useful information. Allergic rhinitis is almost always genetic, and there is often a family history of allergic rhinitis, eczema, asthma or food allergy in close relatives. Roughly 75% of children with asthma also have allergic rhinitis — the two conditions are closely linked. Knowing about a family history of atopy is actually useful clinically: it raises the likelihood that a child’s nasal symptoms are allergic in origin, and supports earlier testing and treatment rather than years of “it’s just a cold that won’t go away.”
Q3. Are antihistamines enough, or do I need something stronger?
For mild, occasional symptoms, antihistamines alone may be enough. For persistent or moderate-to-severe symptoms, they usually aren’t — and nasal sprays are more effective. Antihistamines are the most commonly used medication and work well for itching, sneezing and runny nose. However, major allergy guidelines recommend intranasal corticosteroid sprays as the most effective single treatment for nasal congestion and overall symptom control in persistent disease — more effective than antihistamines alone for blocked nose specifically.
A common pattern in practice: patients have been taking antihistamines daily for years, controlling the sneezing and itching, but still living with a chronically blocked nose — because antihistamines are not the right tool for nasal congestion. A nasal corticosteroid spray, used correctly and consistently, often changes this picture significantly.
Q4. Is it safe to use a nasal spray every day for months or years?
Yes — modern intranasal corticosteroid sprays have a strong long-term safety record at prescribed doses, including in children. They work locally in the nasal lining with minimal absorption into the rest of the body. They are considered first-line, most-effective treatment for persistent allergic rhinitis precisely because they can be used safely for the duration needed to control symptoms — which, for a chronic condition, may be months or longer under medical guidance. This is different from over-the-counter decongestant sprays, which are not recommended for long-term use (or for young children) and can cause rebound congestion if overused.
Q5. What is immunotherapy (“allergy shots” or “allergy drops”), and is it worth it?
Immunotherapy is the only treatment that changes how the immune system responds to an allergen — rather than just controlling symptoms. It involves exposing the body to gradually increasing doses of the specific allergen(s) a person is sensitised to, either by injection (subcutaneous immunotherapy, SCIT — “allergy shots”) or under the tongue (sublingual immunotherapy, SLIT — drops or tablets). Over time, this retrains the immune system to tolerate the allergen rather than react to it.
It’s typically recommended when environmental control and medications don’t adequately control symptoms, or when someone wants to reduce long-term dependence on daily medication. A full course usually runs 3–5 years, and the protective benefit — including a documented reduction in the risk of developing asthma — tends to be greatest in those who complete at least 3 years of treatment, regardless of which allergen or which type (shots or drops) is used. Side effects are generally local and manageable — mild soreness at an injection site, or mild itching/irritation in the mouth with sublingual drops.
Q6. How do I find out exactly what I’m allergic to?
A skin prick test (SPT) — a simple, same-day in-clinic test that identifies your specific triggers. Without this, treatment is necessarily generic — “take this spray and see how it goes.” With SPT results, treatment can be targeted: avoiding or reducing exposure to your specific triggers (dust mite, cockroach, pollen, pet dander, mould, etc.), and — if immunotherapy is appropriate — building a treatment specific to what your immune system actually reacts to.
Q7. My child has nasal allergy — could it lead to asthma?
Allergic rhinitis doesn’t cause asthma, but having it makes asthma significantly more likely — and untreated allergy can trigger asthma flares in those who have both. Almost 40% of people with allergic rhinitis, including children, also have asthma — the “unified airway” concept reflects how closely these conditions are linked. The encouraging part: research shows allergen immunotherapy may have a preventive effect, reducing the risk of a child with allergic rhinitis going on to develop asthma — another reason early, proper diagnosis and treatment of nasal allergy in children is worth taking seriously, not just for nasal symptoms but for long-term respiratory health.
Q8. Can allergic rhinitis be permanently cured?
“Cure” isn’t quite the right word — but sustained remission, where symptoms remain significantly reduced even after treatment ends, is realistic with immunotherapy. Medications (sprays, antihistamines) control symptoms while they’re being taken, but don’t change the underlying sensitisation — stop the medication and symptoms typically return. Immunotherapy is different: by gradually retraining the immune response, it aims for benefits that persist after the treatment course is completed. For most people, the realistic goal is a dramatic, lasting reduction in symptom burden and medication dependence — which, for someone who has spent years dependent on daily medication, represents a meaningful and durable change.
Dr Pranshu Mehta is a DLO ENT Surgeon and Allergy Specialist at Rog Nidan ENT & Dental Clinic, C-2/275 Janakpuri, New Delhi. For allergy testing and a personalised treatment plan: WhatsApp +91 98186 35660. Related: Allergic Rhinitis — Full Guide | Skin Prick Test (SPT) | Allergy Freedom Programme | Take the Symptom Checker. Watch: @TheENTSurgeons on YouTube.