Depending on physician orders, DuoDerm dressings can be used on stage 1, 2, 3 and 4 bed sores. The length of time a DuoDerm patch may be left on a wound is determined by the amount of moisture in the wound. Under normal conditions, DuoDerm can be left on the wound for 3-4 days.ecause DuoDerm essentially creates a moisture barrier, they should not be used on people with infected bed sores. Under normal circumstances, wounds covered with DuoDerm are likely to develop a strong odor after several days. The odor is consider to be a normal part of of the product.
Nicotine is detectable in a urine test for 2-4 days. A blood test will detect nicotine for up to 2-4 days. A saliva test will detect nicotine from 1-4 days. Nicotine, like many other drugs, can be detected with a hair follicle drug test for up to 90 days.
It can detect much lower levels of nicotine use than the urine test and can give an approximate nicotine consumption level. Cotinine might be detected thru a saliva test for up to 2-4 days after usage. â How long does nicotine stay in your system (hair tests).This is a reliable method to measure long-term nicotine use, but is an expensive method of testing.n some cases like passive smokers or menthol cigarette smokers, nicotine tests thru urine may turn positive for up to 20 days. â How long does nicotine stay in your system (saliva tests). This is the preferred method of testing being the most accurate method.