Electrotherapy can cover a wide range of treatments that involve electricity used as a therapeutic tool to help heal the body. Primarily, it is the use of an electrical current to stimulate nerves and muscles through the skin in order to provide a measure of pain relief, according to Balance in Life Wellness Center.

The Mirena IUD is an intrauterine device that prevents pregnancy. It contains progestin that prevents ovulation, explains Drugs.com. It can also change the lining of the uterus to prevent a fertilized egg from implanting, should there be an egg for sperm to penetrate.

Excedrin Migraine is an over-the-counter (OTC) medication that contains a combination of ingredients to relieve migraine symptoms. According to the Mayo Clinic, a migraine is a chronic headache that can cause significant pain for hours or even days.

Several symptoms may occur for people having a stroke. Symptoms that affect the tongue may provide a quick answer when determining whether someone may be having a life-threatening stroke.

Multiple sclerosis is an autoimmune disease that causes demyelinization of nerve coverings over parts of the brain and spinal cord. Multiple sclerosis, or MS, affects women more often than men, and usually occurs between the ages of 20 and 40, notes the Merck Manuals Online Medical Library.

Facial paralysis can occur after a stroke, according to MedlinePlus. In fact, several facial symptoms may result from a stroke. Early recognition of the facial signs of stroke can be key to stroke recovery.

Cerebral hypoxia, or brain hypoxia, develops when the brain does not receive enough oxygen to sustain its normal metabolism. Out of all the organs, a lack of oxygen is most dangerous to the brain. Neurons begin to die after they have been without oxygen for approximately five minutes (Ref 1).

Numbness is a symptom associated with a plethora of diseases and disorders. Transient numbness not accompanied by pain or changes in skin color may be a normal response to cold temperatures or other benign conditions. Persistent or recurrent numbness, however, always requires medical attention.

Hypoglycemia, which is a complication of diabetes, is the medical term for dangerously low blood glucose. A stroke occurs when the blood supply to the brain is interrupted by a blocked or burst vessel in the brain. Strokes kill brain cells and cause permanent brain damage.

Tension headaches occur in as many as 78 percent of the population, according to the University of Maryland Medical Center. Tension in the muscles of the neck and scalp lead to these painful headaches.

Oxygen is essential for life, and when oxygen is available in only short supply, there are consequences, such as severe headaches. Three primary causes of inadequate oxygen leading to headaches include carbon monoxide poisoning, travel to very high altitudes and obstructive sleep apnea.

Tourette syndrome is a neurological disorder characterized by numerous motor ticks lasting longer than one year. According to the National Tourette Syndrome Association, involuntary frequent, rapid and repetitive ticks of the muscles located in the arms, legs, face or trunk are usually the first symptoms to develop.