Damage to any of the structures of the head as a result of trauma. While the term “head injury” is most often used to refer to an injury to the brain, head injuries may also involve the bones, muscles, blood vessels, skin, and other organs of the face or head. A head injury does not always mean that there is an associated brain injury. Most head injuries are caused by blows to the head from numerous causes including motor vehicle accidents and falls. Head injuries are one of the most common causes of death and disability in the United States.
Many head injuries can be prevented. The use of appropriate headgear during sporting activities may help minimize the risk of injury; similarly, wearing a helmet while riding a motorcycle or bicycle helps minimize the risk of head injuries. Seatbelts can help prevent a head injury during a motor vehicle crash.
- Head lice
Kwell) contains gamma benzene, which can be toxic to the brain and has been linked to childhood leukemia. For this reason, these medications are no longer generally recommended for treatment for head lice.
- Head, optic nerve
The circular area in the back of the inside of the eye where the optic nerve connects to the retina.
A pain in the head with the pain being above the eyes or the ears, behind the head (occipital), or in the back of the upper neck. Headache, like chest pain or back ache, has many causes. All headaches are considered primary headaches or secondary headaches. Primary headaches are not associated with other diseases. Examples […]
- Headache, cluster
A distinctive episodic syndrome of headaches. The most common cluster headache pattern, acute cluster headache, is characterized by one to three short attacks of pain each day around the eyes, clustered over a stretch of 1 to 2 months, and followed by a pain-free period that averages 1 year. The other main pattern of cluster […]
- Headache, febrile
A headache associated with fever. Because febrile headache can sometimes indicate serious conditions such as inflammation of the brain (encephalitis), a person who is suffering from a febrile headache should immediately seek medical attention.