Fragrance (airborne) allergy
Sensitivity to airborne perfumes and air fresheners.
About fragrance (airborne) allergy
Airborne fragrance sensitivity refers to symptoms triggered by perfumes, aftershaves, scented candles, air fresheners, cleaning products and similar scented items. Importantly, most reactions to inhaled fragrance are irritant rather than a true IgE-mediated allergy: the volatile scent chemicals irritate the lining of the nose, eyes and airways rather than provoking the antibody response seen with pollen or dust mite. (Fragrances can cause a separate, genuinely allergic skin rash on contact, but that is a different mechanism from the airborne symptoms described here.) Sensitivity of this kind is common, and people with asthma, existing rhinitis or migraine tend to be more affected.
Symptoms usually come on within minutes of exposure and include sneezing, a runny or blocked nose, a scratchy throat, stinging or watering eyes and sometimes headache. In people with asthma, strong scents can act as a trigger for coughing, chest tightness and wheeze. Reactions are generally not life-threatening, but they can be genuinely disruptive in workplaces, shops and other shared spaces where scented products are hard to avoid.
Management is mainly about avoidance: choosing fragrance-free or unscented products, improving ventilation, and asking those nearby to limit strong scents where possible. Because this is largely an irritant effect, standard allergy testing is often unhelpful, though skin-prick or specific-IgE tests may be used to rule out co-existing allergies. Any underlying asthma or rhinitis is treated as usual, which may include antihistamines and steroid nasal sprays. See a GP if scents reliably worsen breathing or symptoms are frequent.
Common triggers
- Fragrance (airborne) and products containing it
Symptoms
- Sneezing and a runny or blocked nose
- Itchy, red or watery eyes
- Itchy throat, nose or ears
- Coughing or wheezing
- Worsening of asthma
Avoidance & management
- Reduce exposure to the trigger where possible
- Keep windows closed during high-exposure periods
- Use air filtration and wash bedding regularly
- Shower and change clothes after exposure
- Use prescribed antihistamines, nasal sprays or preventers
Sources & references
Allergy safety: what everyone should know
Mild-to-moderate reaction signs
- Itching, hives or a raised rash
- Swelling of lips, face or eyes
- Tingling mouth, sneezing, runny nose
- Stomach pain, nausea or vomiting
Anaphylaxis — call 999 (UK) or 112 (EU) immediately
- Difficult or noisy breathing, wheeze, persistent cough
- Swelling of the tongue or tightness in the throat
- Dizziness, collapse, pale and floppy (young children)
- Use an adrenaline auto-injector (e.g. EpiPen) at once if prescribed, then call an ambulance even if symptoms improve
Allergy or intolerance? A true allergy involves the immune system and can escalate quickly; an intolerance (e.g. lactose intolerance) is unpleasant but not life-threatening. The symptoms overlap, so self-diagnosis is unreliable.
Getting tested: home-testing kits based on IgG are not diagnostically valid. If you suspect an allergy, ask a GP for referral to an allergy clinic for skin-prick or specific-IgE testing and a supervised food challenge where appropriate.