According to the American Academy of Family Physicians (AAFP), dental emergencies are extremely common and cause missed time at work and school. Most emergencies are the result of a severe toothache. Analgesics and antibiotics are frequently prescribed to relieve the pain.

The fungal infection on your heels is likely a form of athlete's foot, a relatively common and very treatable condition, and your doctor will probably prescribe a topical antifungal medication for you to apply directly to the affected skin.

More than 200 viruses can cause the common cold, according to MedlinePlus. Colds are prevalent during the winter, and symptoms can be quite uncomfortable, especially at night. Sneezing, stuffy nose and sore throat are common features.

Coughing is one of the most common reasons people visit a doctor, according to the University of Maryland Medical Center. A productive cough is one that produces mucus, or phlegm. A continuous, or chronic, productive cough is not normal and may indicate a disorder of the lungs.

The Centers for Disease Control and Prevention estimates that roughly 1 million Americans are affected by shingles each year. Anyone who’s had chickenpox can develop shingles -- it occurs when the virus that causes chickenpox reactivates, often after lying dormant for many years.

Inflammation is one of your body’s primary defenses against trauma or foreign invasion. Swelling, redness and other signs of inflammation represent part of an automatic reaction to a wide variety of insults, ranging from a minor scratch to a life-threatening infection.

Trillions of bacteria live in your body. Most are part of the gut microbiota, the helpful intestinal bacteria and yeasts that provide a variety of benefits -- destroying disease-causing bugs, aiding in food digestion, producing vitamins and strengthening your immune system.

If you purchase an over-the-counter expectorant, the active ingredient is almost certain to be guaifenesin. Guaifenesin thins secretions in the lungs and nasal passages, makes it easier to cough up phlegm and eases lung congestion. Guaifenesin has few side effects when taken at recommended dosages.

A humidifier transforms water into airborne moisture to help add humidity to the air surrounding it. This can have several benefits to your health, including relieving irritated respiratory systems, eyes and skin caused by excessively dry air. But using a humidifier is not without its potential cons and drawbacks.

Most open wounds heal spontaneously if kept clean and dry. Sometimes the use of topical medications such as peroxide or bacitracin may aid in wound healing. However, an open wound may easily become infected and require medical care. It's very important that you know the signs and symptoms of infection.

It’s normal for colds and infections to result in a cough, but if your toddler’s cough persists, it may be the symptom of another medical condition.

The flu, also called influenza, is a contagious upper-respiratory virus that causes fever, chills, body aches, nasal congestion, dry cough and fatigue. Stay home, rest and avoid contact with others when you have the flu, advises the Centers for Disease Control and Prevention.