Immunotherapy Not a Quick Fix for Hay Fever

TUESDAY, Feb. 14, 2017 (HealthDay News) — Immunotherapy — often in the form of allergy shots — can combat the runny nose, itchy eyes, congestion, sneezing and sinus pressure of persistent hay fever. But it can’t be done in less than three years, British researchers report.

Two years of immunotherapy was only as effective as a placebo, the study authors said.

The key, the researchers added, seems to be a third year of treatment.

“Immunotherapy for hay fever [allergic rhinitis] involves receiving a high dose of grass pollen vaccine either as a monthly injection or as a daily pill placed under the tongue,” said lead researcher Dr. Stephen Durham. He is a professor of allergy and respiratory medicine at Imperial College London in England.

About 15 percent of Americans suffer from diagnosed hay fever, and 30 percent report having symptoms of hay fever, which can negatively affect quality of life and sleep. It can also have an impact at work and school, the researchers said.

For many patients, over-the-counter or prescription medications aren’t effective in relieving symptoms, Durham said.

“Some 50 percent of sufferers find current tablets and nasal sprays either ineffective or [have] unacceptable side effects,” he said. “Grass pollen immunotherapy is highly effective and needs to be given for three years for long-term remission of hay fever.”

The report was published Feb. 14 in the Journal of the American Medical Association.

One specialist thinks doctors should offer patients the option of immunotherapy for hay fever.

“If it were me, and I heard there was a treatment that could replace my sprays and pills for the next 20 years, I want to know I have that choice,” said Dr. Linda Cox. She is assistant clinical professor of medicine at the University of Miami Miller School of Medicine.

People with hay fever are going to be taking drugs such as nasal sprays and antihistamines, and will probably end up seeing a specialist and missing a few days of work, she said.

“So if three years of treatment can knock this out and prevent your 20-plus years of antihistamines and nasal spray, it is worth it. And it does pay for itself,” said Cox, who authored an accompanying journal editorial.

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