A urinary tract infection (UTI) can occur in any part of the urinary tract. Bacteria cause the vast majority of UTIs. Fungi or viruses can also cause UTIs. UTIs are the second most common type of infection in humans.
Cellulitis is an infection of the deeper layers of the skin and the underlying tissue. Cellulitis is an infection of the deeper layers of the skin and the underlying tissue. The main symptom of cellulitis is the affected area of skin suddenly turning red, painful swollen and hot. Cellulitis can have a wide range of causes, but the majority of cases are caused by a type of bacteria called group A streptococcus, or a different type of bacteria called staphylococcus aureus.
Cellulitis. According to the National Institutes of Health website Medline Plus, cellulitis is a bacterial infection that occurs within the deepest levels of the skin. While it often occurs due to a break at the uppermost layer of skin, such as a cut, it may occur as a complication of IV infiltration as well. Symptoms of cellulitis include redness and warmth at the area of infected skin, fever and pain.