IMPERIAL HIGHWAY & PIONEER BOULEVARD PROJECT - Week of March 26, 2017. Project Information. Improvements: HOV lane, one mixed-flow lane in each direction, interchange modifications at San Antonio Avenue undercrossing, Imperial Highway undercrossing, Pioneer Boulevard undercrossing and Orr and Day Road. Start Date: 2013.
Infections can cause mouth ulcers. Herpes simplex often causes mouth ulcers in children and some adults. Other less common viral and bacterial infections may cause mouth ulcers, but this is rare. Mouth ulcers can be caused by anaemia and occasionally by other blood disorders, and some skin or gastrointestinal diseases.
No one knows what causes these small, painful blisters inside your mouth. Triggers include injury, hypersensitivity, infection, hormones, stress and not getting enough of some vitamins. Also called aphthous ulcers, mouth ulcers can appear on your tongue, cheek and gums. They usually last a week or two. Mouth ulcers can be treated with numbing gels.