Which Doctor for Hay Fever: GP, Allergist or ENT

There is no single doctor for hay fever. You can start with a GP in the UK or a primary care doctor in the US. Or you can see an ear, nose and throat specialist, or an allergy specialist. The numbers on your symptom days, which you keep in the symptom diary in Sam, appear in the monthly report you can bring along instead of a blank answer.

Often the clinic's approach matters more than its label. This text sorts the roles, explains the skin prick test, and lists what to ask when you book and what to bring on the first visit. Which tests suit you is for the clinic to decide.

GP, ENT or allergy specialist: who does what

In the UK the NHS says a pharmacist can advise on antihistamines and steroid nasal sprays, and you should see a GP if symptoms get worse or do not improve after pharmacy medicines. The GP can prescribe a steroid and may refer you for immunotherapy, which builds up tolerance to pollen.

Allergy UK, the UK patient charity, says allergy testing is not always needed because the trigger is often clear from when and where symptoms happen. Testing helps when the trigger is unclear or when exact identification is needed for immunotherapy. It points you to a GP or an allergist for the right tests.

In the US, the ACAAI (American College of Allergy, Asthma and Immunology) says the allergist is the specialist for allergy care. Allergists train to identify triggers. The ACAAI notes that when nasal symptoms come with a structural problem, such as nasal polyps or a deviated septum, treatment often requires the cooperation of an allergist and another specialist, such as an ENT. So the label alone does not decide who helps you.

When to start with your GP or primary care doctor

Your family doctor is a fine first stop, especially if symptoms are mild or newly started. The NHS route is to try pharmacy advice first, then see a GP when things do not settle. In the US, primary care doctors prescribe common allergy medicines and refer to specialists when needed.

Starting there also gives you one place that holds your history. That helps if hay fever overlaps with asthma, and Allergy UK notes that people with allergic rhinitis are at higher risk of developing asthma. Tell the clinic about any wheezing or chest symptoms at booking.

When an allergy specialist helps

See a specialist when symptoms are strong, last months of the year, or do not settle with over-the-counter relief. The ACAAI says to see an allergist when allergies limit your day-to-day activities, last several months of the year, or when medicines do not control symptoms or cause side effects such as drowsiness.

An allergy specialist can do skin or blood tests and arrange immunotherapy. Allergy UK says skin prick tests or specific IgE blood tests are the right tests when testing is needed. Immunotherapy is one option the ACAAI lists for people who get limited relief from medicines or want a longer-term approach.

The skin prick test: what happens

In a skin prick test, small drops of possible allergens are placed on your skin and the skin is pricked or scratched. The ACAAI says you wait about 15 minutes to see whether a small red lump appears where an allergen was placed. This is the most common type of skin test for identifying allergens.

Ask before the test whether any of your medicines should be paused. The ACAAI says not to take antihistamines for 3 to 7 days before the test, and to ask your allergist when to stop; the clinic can tell you what applies to you. Do not change anything on your own before asking.

What a result does and does not mean

A positive result shows you react to a substance, but it does not alone tell you that it causes your symptoms. Allergy UK says testing is chosen and read in light of your clinical history and symptoms. So bring the details of your season, not only the test.

That is also why the conversation matters. You can describe when symptoms start, when they ease, and what they do to sleep and daily life. The clinic decides which findings are worth acting on.

Referrals, wait times and what to ask

There is no single rule for referrals. In the US it depends on your insurance plan. In the UK, NHS specialists normally need a GP referral. Ask before you book so there are no surprises. Useful questions at booking:

• Do I need a referral, and from whom?
• Does the clinic run allergy tests itself?
• How long is the wait, and is there a waiting list?
• Should I pause any medicine before a test?
• What should I bring?

Say the reason in one line, for example: "Possible pollen allergy, symptoms since March."

What to bring to the first visit

Bring previous allergy test results if you have them, the medicines you take with names and start dates, and your numbers for the season. Allergy UK says the clinic wants to know when symptoms happen and how long they last. Add the details a record shows:

• On how many of the last 28 days you had symptoms.
• How many nights your nose kept you awake.
• On how many days you were limited in daily life.
• How the last season ran, roughly from when to when.

An example with invented numbers: "Since mid-March. In the last four weeks I had symptoms on 19 of 28 days, my nose kept me awake 6 nights, and I was limited on 3 days." You can say that in half a minute.

How a full season spreads out and how to notice a worsening pattern are covered in living with allergic rhinitis in pollen season and hay fever symptoms: signs, season and diary. For what to do if work becomes hard because of symptoms, see sick note for hay fever: what to bring. If sleep is a big part of the problem, sleep and allergic rhinitis with Apple Health covers that angle.

When a visit is worth it

The NHS says to see a GP when symptoms get worse or do not improve after pharmacy medicines. The ACAAI adds that allergies often develop slowly, and people can get used to them even when they limit daily life, which is a reason to see an allergist. A doctor's visit can make sense whenever symptoms are new, worse than before, or not controlled. If the question is whether the season is bad enough, read when an allergist visit is worth it.

Sudden swelling of the lips, tongue or throat, trouble breathing or swallowing, wheezing, or severe shortness of breath can be a serious reaction. If you suspect one, call your local emergency number (112 in the EU, 999 in the UK, 911 in the US).

Bring your symptom numbers to the allergy visit in Sam

You arrive with a clear season of days instead of a story from memory.

• Instead of a notes app: you tap good, light or bad for each day and add nose, eyes, sleep or activity only when you want.
• Instead of a pollen week to recall: pollen and air quality attach to the day when you share your location, where a value is available, with sleep from Apple Health beside it when a value exists.
• Instead of a blank answer: the report (PDF) counts symptom days, blocked nights and limited days over the period you choose.
• Before hay fever is confirmed you keep symptoms in the symptom diary; after your doctor confirms hay fever, the hay fever diary adds the report.

Sam does not say which substance triggers you, and it does not replace the clinic's tests.

Try Sam for free

Sam is a wellness companion, not a medical device. The app does not diagnose, treat, cure or prevent any condition or health state. Always consult qualified professionals for medical decisions.

Related reading

• Sick note for hay fever: what to bring
• Hay fever symptoms: signs, season and diary
• Living with allergic rhinitis in pollen season
• Doctor visit checklist for a chronic condition

Sources

Updated: October 2026

• NHS: Hay fever (page last reviewed 21 March 2024)
• Allergy UK: Hay fever and allergic rhinitis
• ACAAI: Hay fever (reviewed 17 June 2020)
• ACAAI: Allergy testing and diagnosis and Allergy testing
• ACAAI: When to see an allergist