According to the American Academy of Dermatology, 40 to 50 million Americans suffer from acne. It is the most common skin condition in the United States. Enduring acne is not only painful, but can take a toll on self-esteem. Many treatment options are available.

Mineral deposits can build up in a humidifier over time due to the presence of calcium and other minerals in the water. As the water evaporates, minerals form in the tank, water tray, filter basket and other components within the humidifier, depending on the model.

The tetanus injection, which is more commonly referred to as the DTaP vaccine, is a combination vaccine that protects recipients against diptheria, tetanus and pertussis.

According to the Centers for Disease Control and Prevention, Klebsiella pneumoniae is a gram-negative bacterium that is commonly found in the human digestive system.

Yeast infections can occur in all age groups, from the very young to the very old. In babies, the most common ailments caused by yeast are diaper rash and a type of fungal infection in the mouth and throat called oral thrush. Rarely, a baby can develop a more serious yeast infection in the bloodstream or other organs.

Bacteria are microscopic single-celled organisms that are all around us. They come in many different sizes and shapes, and this is a common way to classify them—by their morphology, or shape and appearance. The three basic shapes of bacteria are spherical, rod shaped and spiral.

Acidophilus supplements can help you prevent the diarrhea and other digestive problems that are associated with antibiotic use, notes MedlinePlus. The intestines naturally contain some non-infectious bacteria. In addition to aiding in digestion, these bacteria help crowd out other, more harmful bacteria.

Bacteria and other pathogens are nearly omnipresent in our world. While our immune system has the ability to protect the body from their harmful effects, it is when these invaders reach toxic levels that infection can occur. Bacterial and other infections should be treated by a trained health care professional.

When your child has a cold, you might be able to use honey to alleviate some of her symptoms, such as a cough or a sore throat. Giving your child milk while she is sick won't increase her phlegm production, but it may thicken the phlegm her body is already producing.

Steroid nasal sprays are used commonly to treat conditions like sinusitis and allergic rhinitis. They work by decreasing the inflammation in the nose, and are very effective in reducing allergy symptoms such as stuffy and runny nose, itching and sneezing. Flixonase nasal sprays, known as Flonase in the U.S.

Robitussin is a North American brand-name cough syrup currently produced by the pharmaceutical company, Pfizer. The active ingredients in Robitussin DM are dextromethorphan HBr, a cough suppressant approved by the U.S.

A disease is considered epidemic when the number of cases rises above what would normally be expected in a given area. Epidemics have posed a perpetual threat to human health throughout history.