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Pain that travels along the length of a nerve.

Feelings of opposition, unkindness, or unfriendliness toward something or someone.

Thick mixture of saliva and phlegm that's coughed up from the respiratory tract.

Frequently consuming unusually large amounts of food in one sitting and feeling that eating behavior is out of control.

Internal or external bleeding that may occur anywhere, and depending on the location, may range from a bruise to a life-threatening brain bleed.

Feeling responsible or regretful for a perceived offense, real or imaginary.

A feeling of muscle quivering, restlessness, and inability to sit still, sometimes a side effect of antipsychotic or antidepressant medication.

A dysfunction of the nerves that regulate nonvoluntary body functions, such as heart rate, blood pressure, and sweating.

Involuntary trembling of the body caused by muscle contractions.

Decreased muscle strength.

Fainting caused by an overreaction to certain triggers.

Fear of the color red, often accompanied by fear of blood or blushing.

An extreme, unrealistic feeling of physical and emotional well-being, feeling "high."

A pool of blood between the brain and its outermost covering.

Uncontrolled jerking, loss of consciousness, blank stares, or other symptoms caused by abnormal electrical activity in the brain.

A compulsive, repetitive sound or movement that’s often difficult to control.

Grinding, clenching, or gnashing of the teeth.

A form of low blood pressure that happens when standing up from sitting or lying down.

A sudden, involuntary muscle jerk, shake, or spasm.

A sudden episode of intense fear that triggers severe physical reactions when there is no real danger or apparent cause.