A hiatal hernia occurs when a small part of your stomach pokes through a hole in the wall of your diaphragm. Your diaphragm is the muscle that controls breathing and is located in your abdomen. Hiatal hernias can be mild and asymptomatic or they can become large and produce heartburn.

Fibromyalgia is characterized by chronic widespread pain, fatigue and tender points in specific locations across your body. According to the Mayo Clinic, fibromyalgia affects about 2 percent of the United States population, mostly women.

Lamictal is the brand name for a medication called lamotrigine. Lamotrigine is an anti-convulsant, which means it is often prescribed as a treatment for epilepsy. However, Lamictal can also be used to treat depression.

Numerous health problems are associated with impaired fat digestion. According to the National Institute of Diabetes and Digestive and Kidney Diseases, or NIDDK, fat molecules are a rich source of energy for your body. Many of your organs participate in the digestion of fatty foods.

Floaters are small objects appearing to float on your eyeball. They take many shapes including specks, cobwebs, and squiggly threads, and are most commonly visible when looking at bright objects, such as a white wall or blue sky.

The Academy of General Dentistry reports that 30 percent of Americans suffer from fever blisters, which are sometimes also referred to as cold sores or oral herpes. A fever blister usually ruptures spontaneously after four days, leaving behind a shallow pink ulcer that “weeps” highly infectious clear fluid.

Doctors use the medication isotretinoin or Accutane to treat severe acne or psoriasis. According to the PDRHealth, an online version of the "Physician's Desk Reference," Accutane should only be used in patients who have not had any success with any other acne medications.

When a child says that his heart is racing, more than likely he is experiencing an arrhythmia, or an abnormal deviation of the regular heart rate. When it is a fast heart rate, it is called tachycardia.

The liver is the largest gland in the body. It has several important functions, including control of metabolism, deactivation of hormones, manufacture of digestive compounds and detoxification of drugs and toxins.

Electrolytes, such as sodium, calcium and potassium, are important minerals in the body responsible for maintaining acid levels, fluid balance, and muscle functioning. A number of factors can lead to electrolyte imbalance, such as excessive sweating, medical conditions, and medications.

The human immunodeficiency virus (HIV) is an infectious, contagious virus that can be passed from an infected mother to her newborn infant during childbirth. Over two million children under the age of 15 throughout the world are infected by HIV.

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.