While fungal infections in the armpit are rare, they can become quite severe given the right conditions.

A chest cold, also called bronchitis, often occurs when an upper respiratory infection such as the common cold spreads to the airways of the lungs. Invasion by Streptococcus pneumonia or Haemophilus influenza may follow and complicate the initial viral infection.

People who come down with shingles, which is actually the reoccurance of chicken pox, often mistake their initial symptoms for the beginnings of a flu.

The stomach flu is a viral infection in the digestive tract that is commonly caused by rotavirus or noroviruses, according to University of Maryland Medical Center. What you eat can help avoid severe symptoms if you catch a stomach bug.

The Staphylococcus genus bacteria are omnipresent, even in clean environments. These bacteria colonize the noses and skin of healthy individuals, and while they are quite pathogenic, normal immune systems keep the bacteria at bay, such that it’s possible to carry the bacteria around without getting sick.

Shingles (herpes zoster) can erupt years after having chickenpox from the dormant viral infection that remains in your body. The malady tends to show up on only one side (hemisphere) of your body with tingling, sometimes painful nerve inflammation under the skin that appears on the skin as a rash.

Influenza, more commonly called the flu, is a viral infection that affects up to 25 to 50 million people each year, according to experts at the Flu Facts. Influenza is highly contagious, spread by droplets breathed or coughed into the air.

The Mycoplasma genus of bacteria consists of a number of different species. According to the Mayo Clinic, Mycoplasma pneumoniae is one of the species of bacteria responsible for a mild form of the lung infection pneumonia. People infected with the Mycoplasma bacteria may also experience sore throat or bronchitis.

Viruses are interesting infectious organisms because they have no capacity to reproduce on their own. They infect the cells of living organisms from plants to people, hijacking the host’s cellular machinery to reproduce itself. Hundreds of viruses infect humans. Some infections are so mild they usually go unrecognized.

Whether loud or soft, coughs make a distinctive, harsh sound as they force your lungs to release air and other substances. Both healthy children and healthy adults cough now and again for various reasons, sometimes on numerous occasions in one day.

Lemons are useful for everything from flushing the kidneys, protecting them against the formation of kidney stones, to alkalizing the blood.

A cool mist humidifier can benefit you and your home during cold weather months. The additional moisture cool mist humidifiers add to winter air can relieve your dry skin, nose and throat -- as well as reduce static electricity and prevent wooden furniture from drying and cracking.