The exact cause of lichen planus is unknown. It may be related to an allergic or immune reaction. Risks for the condition include: Exposure to medicines, dyes, and other chemicals (including gold, antibiotics, arsenic, iodides, chloroquine, quinacrine, quinide, phenothiazines, and diuretics)
Closest Airport to Killeen, TX. The closest airport is Robert Gray Army Air Field Airport (GRK). Distance from Robert Gray Army Air Field Airport to Killeen is 11,1 kilometers (6,9 miles).
Kerry Airport (17 km), in Farranfore between Tralee and Killarney, provides a number of air services with connecting trains running from Farranfore railway station to Killarney railway station. Cork Airport (89 km), easily accessible by bus or rail, also serves the Kerry region.