1 Eczema, or atopic dermatitis, is a rash that primarily occurs in people with asthma or allergies. The rash is often reddish and itchy with a scaly texture.  Psoriasis is a common skin condition that can cause a scaly, itchy, red rash to form along the scalp, elbows, and joints.
Although most bacteria are harmless or often beneficial, several are pathogenic. One of the bacterial diseases with the highest disease burden is tuberculosis, caused by the bacterium Mycobacterium tuberculosis, which kills about 2 million people a year, mostly in sub-Saharan Africa.ome pathogenic bacteria cause disease under certain conditions, such entry through the skin via a cut, through sexual activity or an compromised immune function.
Bacteria That Cause Human Disease Only a small fraction of the thousands of species of bacteria on the earth cause disease in humans.Bacterial infection can be prevented by killing bacteria with heat, as in sterilization and pasteurization. If a bacterial infection does occur, doctors may treat it with antibiotics.acteria That Cause Human Disease Only a small fraction of the thousands of species of bacteria on the earth cause disease in humans.