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.
The length of time that nicotine stays in the body and cotinine can be a reliable indicator of nicotine use depends on the amount of tobacco smoked, the number of years smoking tobacco, and the type of nicotine test performed. It can be as short as 2 days, or as long as 3 months.n these blood tests, nicotine is visible usually 1 to 3 days after last use of a nicotine-containing product, such as cigarettes, smokeless tobacco (snuff), and nicotine patches or gum.