Allergy drops under tongue an effective alternative to shots, study says

By Logan Lafferty

Now, a new study finds an alternative to allergy shots, liquid drops placed under the tongue, may be just as effective at staving off allergic reactions…Allergies occur when the immune system reacts to a foreign substance that enters the body (such as pet dander) by producing antibodies to fight off unwanted invaders, according to the Mayo Clinic.