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 wings are soft and flexible, and the legs are long. Striped blister beetles are about 5/8 inch long and one-fourth as wide. They are gray to brown with yellow stripes running lengthwise of the wing covers. The ash-gray blister beetle is about 1/2 inch long and is completely gray. The black blister is about 1/2 inch long and is solid black. Damage: The larvae of the blister beetles destroys grasshopper egg pods. Infestations often occur during or just following a grasshopper outbreak. The black blister beetle adults are largely pollen feeders, but they also feed on alfalfa blossoms.