Antibiotics. Antibiotics may be used when infectionsâsuch as abscessesâoccur in Crohnâs disease. They can also be helpful with fistulas around the anal canal and vagina. Antibiotics used to treat bacterial infection in the GI tract include metronidazole, ampicillin, ciprofloxacin, others.
1 Furniture Carpet Beetle (Anthrenus flavipes): 2  Adult furniture beetles are 1/16- to 1/8-inch long, oval in shape, and covered with spots of yellow, white, and black scales. 3  The underside of a furniture carpet beetles body is white.
The shortest beetles are the featherwing beetles (family Ptiliidae), most of which measure less than 1 millimeter long. Of these, the smallest of all is a species called the fringed ant beetle, Nanosella fungi, which reaches only 0.25 mm in length and weighs just 0.4 milligrams.