Nonallergic rhinitis

Your health care provider will likely give you a physical exam and ask you about your symptoms. You'll need tests to find out if something other than nonallergic rhinitis is causing your symptoms.

You may have nonallergic rhinitis if:

• You have a stuffy nose.
• Your nose runs or mucus drips down the back of your throat.
• Tests for other health problems don't find causes such as allergies or a sinus problem.

In some cases, your provider might have you try a medicine to see whether your symptoms get better.

Checking for allergies

Allergies often cause symptoms such as sneezing and a stuffy, runny nose. Some tests can help make sure that your symptoms aren't caused by an allergy. You may need skin or blood tests.

• Skin test. The skin is pricked and exposed to tiny bits of common allergens found in the air. These include dust mites, mold, pollen, and cat and dog dander. If you're allergic to any of these, you'll likely get a raised bump where your skin was pricked. If you're not allergic, your skin won't have changes.
• Blood test. A lab can test a sample of your blood to find out if you have an allergy. The lab checks for higher levels of proteins called immunoglobulin E antibodies. These can release chemicals that cause allergy symptoms.

Sometimes, symptoms may be caused by both allergic and nonallergic triggers.

Checking for sinus problems

Your provider also will want to find out if your symptoms are due to a sinus problem. You might need an imaging test to check your sinuses.

• Nasal endoscopy. This test checks the sinuses with a thin tool that has a camera on the end. The tool is called an endoscope. The endoscope is passed through the nostrils to look inside the nose.
• computed tomography (CT) scan. This test uses X-rays to make images of the sinuses. The images are more detailed than those made by typical X-ray exams.

Treatment of nonallergic rhinitis depends on how much it bothers you. Home treatment and staying away from triggers might be enough for mild cases. Medicines may ease worse symptoms. These include:

• Saline nose sprays. Saline is a mixture of salt and water. Saline nose spray helps moisturize the nose. It also helps thin mucus and soothes the tissue that lines the inside of the nose. You can buy saline nose spray off the shelf at stores. But a home remedy known as nose irrigation might work even better. It involves using a large amount of saline or a saltwater mixture to help clean out irritants and mucus.

• Antihistamine nasal sprays. Antihistamines treat many health problems, including allergies. An antihistamine nose spray may ease the symptoms of nonallergic rhinitis too. Your provider may write you a prescription that lets you buy this type of spray at a pharmacy. These sprays include azelastine (Astepro, Astepro Allergy) or olopatadine hydrochloride (Patanase).

  Antihistamines taken by mouth often don't work as well for nonallergic rhinitis as they do for allergic rhinitis. These antihistamines include diphenhydramine (Benadryl), cetirizine (Zyrtec Allergy), fexofenadine (Allegra Allergy) and loratadine (Alavert, Claritin).

• Ipratropium nose spray. This prescription spray can ease a runny, drippy nose. Side effects can include nosebleeds and dryness inside the nose.
• Decongestants. These medicines help narrow the blood vessels in the nose and lessen congestion. Side effects can include high blood pressure, heart pounding and feeling restless. Decongestants can be bought off store shelves or with a prescription. Examples include drugs with pseudoephedrine (Sudafed 24 Hour) and phenylephrine.
• Steroids. These medicines help prevent and treat swelling linked with some types of nonallergic rhinitis. Side effects can include a dry nose or throat, nosebleeds, and headaches. Your provider may suggest a steroid nose spray if decongestants or antihistamines don't control your symptoms. Steroid sprays that you can buy off the shelf include a fluticasone (Flonase Allergy Relief) and triamcinolone (Nasacort Allergy 24 Hour). Stronger steroid sprays also can be prescribed.

Your health care provider may suggest surgery to treat other problems that can happen with nonallergic rhinitis. For example, growths in the nose called polyps may need to be removed. Surgery also can fix a problem where the thin wall between the passages in the nose is off-center or crooked. This is called a deviated septum.

Some small studies of nonallergic rhinitis have looked into the substance that gives hot peppers their heat, called capsaicin. These studies suggest that using capsaicin inside the nose can ease congestion. But it also can irritate the nose and cause side effects such as burning, sneezing and coughing. More research is needed to find out how much capsaicin to use and for how long.

Some studies also have looked at an alternative treatment in which thin, sterile needles are placed in the body. This is called acupuncture. It's been used to ease pain and other problems. But some experts recommend not using acupuncture for nonallergic rhinitis.

If you have nonallergic rhinitis symptoms, here's some information to help you prepare for your appointment.

What you can do

When you make the appointment, ask your health care provider's office if there's anything you need to do ahead of time. For example, you might be told not to take medicine for congestion before the appointment.

Make a list of:

• Your symptoms. Include any that don't seem related to the reason for the appointment. Also note when each symptom began.
• Key personal information. Include recent illnesses, major stresses or recent life changes.
• All medicines, vitamins or supplements you take. Include how much you take.
• Questions to ask your provider.

For nonallergic rhinitis symptoms, some basic questions to ask your provider include:

• What could be causing my symptoms?
• What tests do I need?
• How long might my symptoms last?
• What treatments are available, and which do you suggest for me?
• I have other health problems. How can I best manage these conditions together?
• Are there brochures or other printed materials I can have? What websites do you recommend?

Feel free to ask other questions.

What to expect from your doctor

Your provider is likely to ask you questions, including:

• Do you have symptoms all the time or do they come and go?
• How serious are your symptoms?
• Does anything seem to improve your symptoms?
• What, if anything, seems to make your symptoms worse?
• What medicines have you tried for your symptoms? Has anything helped?
• Do your symptoms get worse when you eat spicy foods, drink alcohol or take certain medicines?
• Are you often exposed to fumes, chemicals or tobacco smoke?