Sublingual Immunotherapy

Sublingual immunotherapy involves oral medications that are placed under the tongue to dissolve. This type of immunotherapy is somewhat less effective than allergy shots. It is quite effective, however, for allergies that affect the upper respiratory system or trigger asthma attacks.

Sublingual medications are placed under the tongue where they dissolve rapidly. The tissues of the mouth, especially those under the tongue, readily absorb most types of medications that are made to dissolve quickly in a moist environment. Sublingual immunotherapy is often preferable to the injectable forms, especially when the patient is a small child.

This form of immunotherapy is gaining popularity with patients who have food allergies. Because this type of immunotherapy is somewhat less effective than the injectable form, the dosage may need to be adjusted more often to maintain a positive response. It may also take longer to reach a maintenance dose when this type of immunotherapy treatment is used.

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