Clindamycin causes Clostridium difficile associated diarrhea (CDAD) because it can alter the normal bacteria in the colon and encourage overgrowth Clostridium difficile, a bacteria which causes inflammation of the colon (pseudomembranous colitis).
In some cases follow up treatments may be necessary to eliminate any eggs that were not hatched before initial treatment or not exposed to the chemical during treatment. If bed bugs are still visible and active 3 weeks after treatment, a follow-up treatment may be necessary to fully eliminate the infestation.
House fly eggs emerge as adult flies about 7 to 10 days after the eggs are laid, the insects having passed through larvae (maggot) and pupae stages during this time.