Doxycycline is an antibiotic in the tetracycline family that works by inhibiting bacterial growth in the body. Doctors prescribe doxycycline to fight bacterial infections, such as pneumonia, respiratory or urinary tract infections, Chlamydia, gonorrhea and other serious infections.

An infected pimple occurs when the follicle under your skin’s surface clogs from excess oil, dirt buildup or dead skin cells, which allows bacteria to form and cause the infection. Pimples, or acne, can develop on any area of the skin, but the common areas include the face, chest, shoulders, neck and upper back.

Humidifiers help restore moisture to dry indoor air, but without proper care and maintenance they can pose a potentially serious risk to health.

The stomach flu, also known as gastroenteritis, is an inflammation of the stomach and intestines caused by a virus, according to the Centers for Disease Control and Prevention (CDC). However, the stomach flu is not caused by an influenza strain.

Amoxicillin is one of the drugs in the beta-lactam antibiotic family, according to the Mayo Clinic. It is used to treat bacterial infections.

A persistent dry cough can be irritating and at times, even painful. It occurs from inflammation of the throat and airways, and does not produce any phlegm or mucus. There are, however, a number of key things you can do that will loosen congestion and provide relief.

Parasites are organisms that live on or inside another organism. Parasitic infections, then, are when an unwelcome parasite invades a host organism and damages that host. Antibiotics are medications that kill or retard the growth of parasites, usually without causing significant harm to the person taking them.

Nasal allergies, also known as allergic rhinitis, have symptoms including runny nose, itching, nasal stuffiness or congestion and sneezing. Though oral medications may be effective for some patients, they may cause undesirable side effects. Many patients experience greater relief with nasal sprays for allergies.

Shingles strikes 1 million Americans each year, causing mild to severe and even debilitating pain, according to the National Institute of Neurological Disorders and Stroke.

Around 31 million Americans suffer from chronic sinus disease, according to the National Institute of Allergy and Infectious Disease. Most people with chronic sinusitis (sinus infections) are affected by the condition from environmental factors or by a physical issue.

Providing warmth is an instinctual extension of love that all parents want to give to their baby. But despite best intentions, sometimes an infant's temperature drops below normal. A low temperature in a baby is most often due to a cold environment or not enough clothes or blankets.

According to MedlinePlus, a toothache is generally the result of a dental cavity in which the tooth begins to decay, leading to infection. The cause is most often attributed to poor dental hygiene, although a genetic proclivity to tooth decay can also play a role.