Diagnosis

To diagnose hay fever, a healthcare professional typically does a physical exam and talks about general health, symptoms and possible triggers. One or both of these tests may be recommended:

  • Skin prick test. Small amounts of material that can trigger allergies are pricked into patches of skin on the arm or upper back. A medical professional then watches the skin for an allergic reaction. If someone has an allergy, a raised bump called a hive forms at the site of that allergen. This typically takes about 15 to 20 minutes. Allergy specialists usually are best equipped to perform allergy skin tests.
  • Allergy blood test. A blood sample is sent to a lab to measure the immune system's response to a specific allergen. This test measures the amount of allergy-causing antibodies in the bloodstream, known as immunoglobulin E (IgE) antibodies.

More Information

Treatment

Once someone knows their allergy triggers, a healthcare professional can help develop a treatment plan to reduce or get rid of hay fever symptoms.

It's best to limit exposure to substances that cause hay fever. If hay fever isn't too severe, nonprescription medicines may be enough to relieve symptoms. For worse symptoms, prescription medicines may be needed.

Many people get the best relief from a combination of allergy medicines. Sometimes, a few different options need to be tried before finding what works best.

If a child has hay fever, talk with the child's healthcare professional about treatment. Not all medicines are approved for use in children. Read labels carefully.

Treatments for hay fever may include medicines, immunotherapy and nasal saline rinses.

Medicines for hay fever

Nasal corticosteroids

These nasal sprays help prevent and treat the nasal stuffiness and the itchy, runny nose caused by hay fever. For many people, nasal sprays are the most effective hay fever medicines, and they're often the first type of medicine recommended.

  • Nonprescription nasal sprays include fluticasone (Flonase Allergy Relief), budesonide (Rhinocort Allergy), triamcinolone (Nasacort Allergy 24HR) and mometasone (Nasonex 24HR Allergy).
  • Prescription nasal sprays that combine an antihistamine with a steroid include azelastine and fluticasone (Dymista) and mometasone and olopatadine (Ryaltris).

Nasal corticosteroids are a safe, long-term treatment for most people. Side effects can include an unpleasant smell or taste and nose irritation. Steroid side effects from a nasal spray are rare.

Antihistamines

A symptom-causing chemical, called histamine, is released by the immune system during an allergic reaction. Antihistamines work by blocking histamine. These medicines can help with itching, sneezing and a runny nose but have less of an effect on congestion. Antihistamines are usually given as pills or tablets. However, there are also antihistamine nasal sprays that can relieve nasal symptoms. Antihistamine eyedrops can help relieve eye itchiness and irritation.

  • Oral antihistamines available without a prescription include loratadine (Claritin, Alavert), cetirizine and fexofenadine (Allegra Allergy).
  • Nonprescription eye drops include olopatadine (Pataday, Patanol) and ketotifen (Alaway, Zaditor).
  • Nonprescription nasal sprays include azelastine (Astepro Allergy).
  • Prescription nasal sprays include olopatadine.

Common side effects of antihistamines are dry mouth, nose and eyes. Some oral antihistamines may make you sleepy. Other side effects of oral antihistamines can include restlessness, headaches, changes in appetite, trouble sleeping, and problems with blood pressure and urinating. Talk to a healthcare professional before taking antihistamines, especially if you're pregnant or breastfeeding, or have glaucoma or an enlarged prostate.

Decongestants

Decongestants reduce nasal stuffiness and pressure from swelling. Because they do not relieve other symptoms of hay fever, they're sometimes combined with other medicines such as antihistamines.

Decongestants are available as liquids, tablets and nasal sprays. They also are available with and without a prescription.

  • Oral decongestants include pseudoephedrine (Sudafed).
  • Nasal decongestant sprays include phenylephrine hydrochloride (Neo-Synephrine) and oxymetazoline (Afrin).

Oral decongestants can cause a few side effects, including increased blood pressure, insomnia, irritability and headache. Decongestants may cause problems urinating if you have an enlarged prostate. Check with a healthcare professional before taking decongestants if you have high blood pressure or heart disease or if you're pregnant.

Don't use a decongestant nasal spray for more than 2 to 3 days at a time because it can worsen symptoms when used continuously. This is known as rebound congestion.

Cromolyn sodium

Cromolyn sodium can help relieve hay fever symptoms by preventing the release of histamine. This medicine is most effective if you start using it before you have symptoms. Cromolyn is available as a nonprescription nasal spray to be used several times a day. It also is available in eye drop form with a prescription. Cromolyn doesn't have serious side effects.

Leukotriene modifier

Montelukast (Singulair) is a prescription tablet taken to block the action of leukotrienes. Leukotrienes are immune system chemicals that cause allergy symptoms, such as irritation in the nose and making too much mucus. It's especially effective in treating allergy-induced asthma. It's often used when nasal sprays can't be tolerated or for mild asthma.

Montelukast can cause headaches. In rare cases, it has been linked to psychological reactions such as insomnia, anxiety, depression and suicidal thinking. Get medical advice right away for any unusual psychological reaction.

Nasal ipratropium

Available in a prescription nasal spray, ipratropium helps relieve severe runny nose by preventing the glands in the nose from making too much mucus. It's not effective for treating congestion, itching or sneezing.

Mild side effects include dry nose, nosebleeds, dry and irritated eyes, and sore throat. Rarely, the medicine can cause more-severe side effects, such as blurred vision, dizziness and trouble urinating. This medicine is not recommended if you have glaucoma or an enlarged prostate.

Oral corticosteroids

Corticosteroid pills such as prednisone sometimes are used to relieve severe allergy symptoms. Because the long-term use of corticosteroids can cause serious side effects such as cataracts, osteoporosis and muscle weakness, they're usually prescribed for only short periods of time.

Immunotherapy for hay fever

Allergy shots

Also called immunotherapy or desensitization therapy, allergy shots change the way the immune system reacts to allergens. If medicines don't relieve hay fever symptoms or cause too many side effects, a healthcare professional may recommend allergy shots. Over 3 to 5 years, you'll get regular shots containing tiny amounts of allergens. The goal is to get your body used to the allergens that cause your symptoms and decrease your need for medicines.

Immunotherapy might be especially effective if you're allergic to animal dander, dust mites or pollen produced by trees, grass or weeds. In children, immunotherapy may help prevent asthma.

Under-the-tongue (sublingual) allergy tablets

Rather than getting shots, this therapy involves taking tiny amounts of allergen in pill form that dissolves under the tongue. This is known as sublingual delivery. Pills are usually taken daily. Sublingual allergy tablets don't work for all allergens but can be helpful for grass and ragweed pollens and dust mites.

Nasal saline rinses for hay fever

Saline nasal spray

Saline nasal sprays can moisten dry nasal passages and thin nasal mucus. You don't need a prescription, and you can use them as often as needed.

Nasal irrigation

Rinsing your nasal passages with saline, called nasal irrigation, is a quick and effective way to relieve nasal congestion. Rinsing flushes out mucus and allergens from your nose. Saline irrigation is a water-based solution that contains a tiny amount of salt (sodium) and other ingredients.

Saline irrigation solutions can be purchased ready-made or as kits to add to water. You also can use a homemade solution. Look for a squeeze bottle or a neti pot — a small container with a spout designed for nose rinsing — at your pharmacy or health food store.

To make up the saline irrigation solution, do not use tap water, as it can contain organisms that could cause infection. Use water that's distilled or sterile. You also can use water that was boiled and cooled. Another option is using water that has been filtered using a filter with an absolute pore size of 1 micron or smaller.

To prevent infections, wash the bottle or pot with hot soapy water and rinse it after every use and leave it open to air-dry. Do not share a container with other people.

Clinical trials

Explore Mayo Clinic studies testing new treatments, interventions and tests as a means to prevent, detect, treat or manage this condition.

Lifestyle and home remedies

It's not possible to avoid allergens completely, but you can reduce your symptoms by limiting your exposure to these substances. If you know what you're allergic to, you can avoid your triggers. Consider some of these tips.

Pollen or molds

Pollen and mold spores are fine dustlike particles that plants use in fertilization. They float in the wind and can get into your nose and eyes.

  • Close doors and windows during pollen season.
  • Don't hang laundry outside — pollen can stick to sheets and towels.
  • Use air conditioning in your house and car.
  • Use an allergy-grade filter in your home ventilation system and change it regularly.
  • Don't do outdoor activities in the early morning, when pollen counts are highest, and also on high pollen-count days.
  • Stay indoors on dry, windy days.
  • Use a dehumidifier to reduce indoor humidity.
  • Use a high-efficiency particulate air (HEPA) filter in your bedroom and other rooms where you spend a lot of time.
  • Don't mow the lawn or rake leaves.
  • Wear a dust mask when cleaning house or gardening.
  • Wear glasses or sunglasses when outside to limit pollen getting in your eyes.

Dust mites

Dust mites are tiny, insect-like pests that are common in dust. They live in bedding, carpets, upholstery and stuffed animals. Dust mites prefer warm, humid spaces.

  • Use allergy-proof covers on mattresses, box springs and pillows.
  • Wash sheets, blankets and stuffed animals at least weekly in water heated to at least 130 F (54 C).
  • Use a dehumidifier or air conditioner to reduce indoor humidity.
  • Vacuum carpets weekly with a vacuum cleaner equipped with a small-particle or HEPA filter.
  • Consider removing carpeting, especially where you sleep, if you're highly sensitive to dust mites.
  • Use a damp mop and dust cloth to avoid stirring up dust.

Cockroaches

Cockroaches leave tiny droppings that can become airborne. Getting rid of the insects gets rid of their droppings.

  • Block cracks and crevices where cockroaches can enter.
  • Seal around and fix leaky faucets and pipes.
  • Wash dishes and empty garbage and recyclables daily.
  • Sweep food crumbs from counters and floors.
  • Store food, including pet food, in sealed containers.
  • Consider professional pest extermination.

Pet dander

Pet dander is tiny flecks of skin shed by cats, dogs, and other animals with fur or feathers. Pet urine and saliva also may contain allergens.

  • Keep pets out of your home, if possible.
  • Bathe dogs twice a week, if possible. The benefit of bathing cats hasn't been proved.
  • Keep pets out of your bedroom and off furniture.
  • Vacuum carpets often with a vacuum cleaner equipped with a small-particle or HEPA filter.
  • Wash your hands after petting an animal.
  • Wash clothes after contact with an animal.
  • Ask a person without allergies to provide grooming and cleaning of pet areas.
  • Consider removing carpeting, especially where you sleep, if you're highly sensitive to pet dander.
  • Use a damp mop and dust cloth to avoid stirring up pet dander.

Alternative medicine

While there isn't much evidence about how well alternative treatments work, people sometimes try them for hay fever. Examples include:

  • Herbal remedies and supplements. Extracts of the shrub butterbur may help prevent seasonal allergy symptoms. If you try butterbur, be sure to use a product that's labeled PA-free, which indicates that it's had potentially toxic substances removed.

    There's some limited evidence that spirulina and Tinospora cordifolia also may be effective. Though their benefits are unclear, other herbal remedies for seasonal allergies include capsicum, honey, vitamin C and fish oil.

    Herbal remedies and supplements are not evaluated by the U.S. Food and Drug Administration the way medications are. Discuss these products with your health care provider before using them.

  • Acupuncture. Some people claim that acupuncture can help with seasonal allergy symptoms. There's limited evidence that these treatments work, but there's also little evidence of harm.

Preparing for your appointment

You're likely to start by seeing your primary healthcare professional. However, in some cases when you call to set up an appointment, you may be referred to an allergist or other specialist.

Take a family member or friend along, if possible. Someone who accompanies you can help you remember information.

Here's some information to help you prepare for your appointment. Before your appointment, make a list of:

  • Your symptoms, when they occur and what seems to trigger them. Include symptoms that might seem unrelated to hay fever.
  • Recent life changes, such as a move to a new home or new part of the country.
  • All medicines you take, including vitamins, herbs and supplements, and their dosages.
  • Questions to ask during your appointment.

For hay fever, questions to ask include:

  • What is likely causing my symptoms?
  • What tests do I need?
  • Is my condition likely to go away on its own?
  • What is the best course of action?
  • What other treatments or ways to avoid triggers can you suggest?
  • I have other health conditions. How can I best manage them together?
  • Are there restrictions I should follow?
  • Should I see a specialist?
  • Are there brochures or other printed material that I can have? What websites do you recommend?

Don't hesitate to ask other questions during your appointment.

What to expect from your doctor

Your health professional is likely to ask a few questions, including:

  • When did your symptoms begin?
  • Have your symptoms been continuous or occasional?
  • How severe are your symptoms?
  • What seems to trigger your symptoms?
  • What, if anything, seems to improve your symptoms?
  • Do any of your blood relatives, such as a parent or sibling, have hay fever or other allergies?
  • Do your symptoms interfere with work, school or sleep?

What you can do in the meantime

While waiting for your appointment, remedies available without a prescription may help ease hay fever symptoms. They include pills, liquids, nasal sprays and eye drops. Also, try to reduce your exposure to possible triggers, if possible.

Aug. 13, 2024
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