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WASHINGTON, D.C. (WUSA9) -- In the future, those who hate needlesmay literally breathe easier.

AJohns Hopkins Children's Center review shows oral drops can be an effective treatment for children who suffer fromseasonal allergies and asthma. This comes a couple of months after a similar Johns Hopkins study shows the drops are effective for adults.

The findings give promise for a future of needle-free allergy treatment. This method involves placing the oral drops beneath the tongue. Under-the-tongue allergy drops are not approved by the FDA, but is used off-label by some physicians.

However, there are still more studies to be conducted before the oral allergy drops can become mainstream in the United States.

Lead author Julia Kim, M.D., M.P.H. of Johns Hopkins Children's Center says, "We need to precisely define the best age to start treatment, the optimal dose and frequency of adminstration."

"We also want to know 'can this treatment actually prevent the development of asthma,' which is important to children," adds Dr. Kim.

The review compared34 studies that included2,500children.

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