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).
Closest Airport to Gatlinburg, TN. The closest airport to Gatlinburg is McGhee Tyson Airport (TYS). Distance from McGhee Tyson Airport to Gatlinburg, TN is 45,0 kilometers (28,0 miles). McGhee Tyson Airport is located approximately 6,4 kilometers (4,0 miles) north of Maryville and about 16,6 kilometers (10,3 miles) southeast of Farragut.