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).
Nearest airport to William P Hobby Airport and Houston, TX is Ellington Field Airport - (12.15 Km / 7.55 Miles) Following are the nearest airports to Houston, TX and William P Hobby Airport. Distance between the two airports is given in bracket.