Reduced levels of vitamin D in people with lupus may be due to one or both of two possible scenarios: 1  The deficiency is related to the disease itself; or. 2  The deficiency is caused/exacerbated by avoiding sun exposure due to increased photosensitivity of individuals with lupus.
They are becoming less effective because the bacteria is becoming immune to the antibiotics. It is import to finishing taking all of you antibiotics because the bacteria that are exposed to the antibiotics that do not die can build a resistance towards that certain drug.ach antibiotic is designed to kill a certain type/types of bacteria. Antibiotics are becoming less effective because sometimes the bacteria are not killed.
Image credit: CDC/ Janice Carr/ Deepak Mandhalapu. If antibiotics are overused or used incorrectly there is a risk that the bacteria will become resistant-the antibiotic becomes less effective against that type of bacterium. A broad-spectrum antibiotic can be used to treat a wide range of infections. A narrow-spectrum antibiotic is only effective against a few types of bacteria. There are antibiotics that attack aerobic bacteria, while others work against anaerobic bacteria. Aerobic bacteria need oxygen, while anaerobic bacteria don't.