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Peripheral vertigo occurs if there is a problem with the part of the inner ear that controls balance(vestibular labyrinth or semicircular canals) or with the vestibular nerve, which connects the inner ear to the brainstem. Central vertigo occurs i...
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Multiple sclerosis is an autoimmune disease that affects the brain and spinal cord( central nervous system).Multiple sclerosis(MS) affects woman more than men. The disorder most commonly begins between ages 20 and 40, but can be seen at any age.MS...
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Detailed information on multiple sclerosis, including causes, symptoms, evaluation procedures, treatment, and rehabilitation
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Detailed information on multiple sclerosis, including causes, symptoms, evaluation procedures, treatment, and rehabilitation
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A description of multiple sclerosis, its causes, symptoms, and treatment. Includes information about treatments on the horizon.
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Detailed information on multiple sclerosis in pregnancy Multiple sclerosis (MS) is a chronic disease of the central nervous system. It is an unpredictable condition that can be relatively benign, disabling, or devastating. Some individuals with MS may be mildly affected, while others may lose their ability to write, speak, or walk when communication between the brain and other parts of the body becomes disrupted.
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Multiple sclerosis(MS) is a chronic, degenerative disorder affecting the central nervous system(CNS), which is made up of the brain, spinal cord, and optic nerves. A fatty tissue called myelin coats and protects the nerve fibers in the CNS.
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Multiple sclerosis is a chronic, degenerative disease of the central nervous system(CNS). The CNS is comprised of the brain and the spinal cord.
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Multiple sclerosis(MS) is a disorder that affects primarily the myelinated white matter of the central nervous system(CNS), the brain, optic nerves, and spinal cord. There is no known cause.
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Multiple sclerosis(MS) is a chronic autoimmune disorder affecting movement, sensation, and bodily functions. It is caused by destruction of the myelin sheath(insulation) covering nerve fibers( neurons) in the central nervous system( brain and spin...
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Multiple sclerosis(MS) is a chronic autoimmune disorder affecting movement, sensation, and bodily functions. It is caused by destruction of the myelin insulation covering nerve fibers(neurons) in the central nervous system(brain and spinal cord).M...
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Multiple sclerosis is an inflammatory demyelinating disease of the central nervous system. The disease results in injury to the myelin sheath(the fatty matter that covers the axons of the nerve cells), the oligodendrocytes(the cells that produce m...
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The effects of multiple sclerosis (MS) can be unpredictable. MS can cause symptoms that range from minor problems in mild cases to paralysis in the most severe cases.
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I have MS and recently was diagnosed with breast cancer. Are there any concerns about breast reconstruction in people with autoimmune diseases?
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Motion sickness is a condition characterized by uncomfortable sensations of dizziness, nausea, and vomiting that people experience when their sense of balance and equilibrium is disturbed by constant motion. Riding in a car, aboard a ship or boat,...
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Motion sickness occurs when your senses offer your brain conflicting reports about what you're doing.
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Motion sickness is uncomfortable dizziness, nausea, and vomiting that people experience when their sense of balance and equilibrium is disturbed because their brain cannot make sense of conflicting information about their body''s location in space ...
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Carsickness isn't really about the car. It's about the brain's ability to interpret a message based on what it senses.
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Motion sickness is the uncomfortable dizziness, nausea, and vomiting that people experience when their sense of balance and equilibrium is disturbed by constant motion. Riding in a car, aboard a ship or boat, or riding on a swing all cause stimula...
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This summer, whether traveling across country or around the world, you'll have a more enjoyable vacation if you plan ahead to stay healthy.
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What risks are associated with flying if you have vertigo?
David Vernick, M.D. is assistant clinical professor of otology and laryngology at Harvard Medical School and interim chief of the Division of Otology and Laryngology at Beth Israel Deaconess Medical Center.
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A head injury is any trauma that leads to injury of the scalp, skull, or brain. The injuries can range from a minor bump on the skull to serious brain injury.Head injury is classified as either closed or open(penetrating).A closed head injury mean...
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Detailed information on head injury, including causes, symptoms, types, diagnosis, and treatment
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Detailed information on head injury, including causes, symptoms, types, diagnosis, and treatment
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Head trauma can be fatal. The effects from some types of head trauma may not appear right away. So it's important to get medical attention for any head injury.
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Detailed information on head injury, including causes, symptoms, types, diagnosis, and treatment
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Detailed information on superficial injuries to the face and head In the course of a child's day, minor injuries may occur during play and sports activities. The face and head are especially at risk for cuts, scrapes, and lacerations because:
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My 4-month-old was hit in the head. It did not cause a big bruise, but then two hours after the incident he threw up twice. In this case should an infant be watched or taken to the emergency room?
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A strong blow to the head may cause swelling and bleeding inside the skull. The resulting pressure can injure the brain (concussion). If you have any doubts identifying a concussion, have a healthcare provider check the victim.
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Children hit their heads frequently. Most of the time, the injury is minor, usually involving only the scalp, and nothing needs to be done. Sometimes, the injury is more serious, involving the skull and/or brain inside, and medical attention is required.
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Injury to the head may damage the scalp, skull or brain. The most important consequence of head trauma is traumatic brain injury.
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Labyrinthitis is an ear disorder that involves irritation and swelling of the inner ear.Bacterial labyrinthitis; Serous labyrinthitis; Neuronitis- vestibular; Vestibular neuronitis; Viral neurolabyrinthitis; Vestibular neuritis.The are likely many...
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Labyrinthitis is an inflammation of the inner ear that is often a complication of infection of the middle ear( otitis media). It is usually caused by the spread of bacterial or viral infections from the head or respiratory tract into the inner ear...
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Labyrinthitis is an inflammation of the inner ear that is often a complication of otitis media. It is caused by the spread of bacterial or viral infections from the head or respiratory tract into the inner ear.Labyrinthitis is characterized by diz...
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Benign positional vertigo is condition in which a person develops a sudden sensation of spinning, usually when moving the head. It is the most common cause of vertigo.Benign positional vertigo is due to a disturbance within the inner ear.
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Benign positional vertigo(BPV) is the most common cause of dizziness due to an impairment of the balance center in the ear.BPV was first described by Adler in 1987. Dix and Hallpike named the disorder benign paroxysmal positional vertigo.
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A migraine is a common type of headache that may occur with symptoms such as nausea, vomiting, or sensitivity to light. In many people, a throbbing pain is felt only on one side of the head.Some people who get migraines have warning symptoms, call...
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With a migraine, you may have nausea and vomiting and be sensitive to light and sound. You may also have warning signs, such as flashing lights or loss of vision, before the pain starts. Cluster headaches recur in groups for days, weeks, or months.
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The following Clinical Topic Tour provides an overview of migraine headache and has been adapted from materials published by the National Institute of Neurological Disorders and Stroke.
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Talk with your healthcare provider about a treatment plan that may help relieve pain and prevent future headaches.
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This report helps you identify the cause of your headache and learn what to do about it. Includes the latest treatments, such as new medications and mind/body techniques.
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If your migraine pattern changes or your headaches suddenly feel different, it could be a sign of a more serious medical condition.
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Triptans, prescription medications used to treat migraine pain, and tricyclic antidepressants, used to prevent migraine, may interact with certain herbs.
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A headache signifies activation of the primary afferent fibers that innervate cephalic blood vessels, chiefly meningeal or cerebral blood vessels. Most nociceptive fibers innervating these structures arise from pseudounipolar neurons located within the trigeminal ganglia (first division), although some may be located within the upper cervical ganglia.
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Auras may include visual disturbances (jagged lines with bright spots or flashes); temporary, partial vision loss; numbness; and tingling sensations.
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Women who have endometriosis may also be more likely to have migraines.Women who have endometriosis may also be more likely to have migraines, according to an Italian study. Researchers from the University of Genoa found that women who had endometriosis were twice as likely to also have migraines. Endometriosis is a condition in which tissue that is normally found only in the womb grows outside the uterus, causing bleeding, inflammation, pain, and infertility.
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Sometimes, right in the middle of a match, she would develop a pounding, throbbing headache on the left side of her head. The pain was almost unbearable.
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Women get more migraine headaches than men, possibly because migraines have been linked to the fluctuation of estrogen levels related to the menstrual cycle.
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Detailed information on migraines and how a migraine happens Although there is general agreement among healthcare providers and researchers that a key element in migraines is blood flow changes in the brain, the exact cause of migraine headaches remains unknown.
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Women who experience migraines around the start of their period may be able to prevent them.
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More than half of migraine sufferers are affected by weather.More than half of migraine sufferers are affected by weather. The most common weather factors that affect migraines are:
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Detailed information on migraine headaches and pregnancy Headaches are quite common in pregnancy. The most common are tension headaches and migraine headaches. Most headaches come and go, but others may be more bothersome or may be caused by other complications. It is important for women to consult their physician about any headaches they may have before, during, or after pregnancy.
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Work with your doctor to find a treatment plan that helps you. Several prescription drugs can prevent or relieve the pain of migraines.
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For some people, taking medication every day can help prevent migraines and make them less painful when they occur.
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Is there a link between depression and migraines?
Michael Craig Miller, M.D., is editor-in-chief of the Harvard Mental Health Letter and an assistant professor of psychiatry at Harvard Medical School. Dr. Miller has an active clinical practice and has been on staff at Beth Israel Deaconess Medical Center for more than 25 years.
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You and your loved ones will benefit if they understand your condition and how best to help.
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A study found that men who suffered migraines were more likely to have heart disease, but there is no evidence that migraines cause heart trouble, and no evidence as to what the connection, if any, may be.
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What is a "complex" migraine headache?
Robert Shmerling, M.D., is associate physician and clinical chief of rheumatology at Beth Israel Deaconess Medical Center and an associate professor in medicine at Harvard Medical School. He is an active teacher in the Internal Medicine Residency Program, serving as the Robinson Firm Chief. He is also a teacher in the Rheumatology Fellowship Program and has been a practicing rheumatologist for over 25 years.
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About 90 percent of all headaches are harmless episodes that can be treated with over-the-counter painkillers, either alone or together with rest, ice packs or relaxation techniques.
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I have the symptoms of an optical migraine, but they only last for five to 10 seconds, instead of minutes. Is that still an optical migraine?
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Migraine is a type of headache marked by severe head pain lasting several hours or more.Migraine is an intense and often debilitating type of headache. The term migraine is derived from the Greek word hemikrania, meaning"half the head," because th...
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Migraine is a type of headache marked by severe head pain lasting several hours or more.A migraine is an intense, often debilitating type of headache. Migraines affect as many as 24 million people in the United States, and are responsible for appr...
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Migraine is a type of headache marked by severe head pain lasting several hours or more.Migraine is an intense, often debilitating type of headache. Migraines affect as many as 24 million people in the United States, and are responsible for billio...
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What are the signs and symptoms of a basilar or hemiplegic headache?
Diana Post, M.D., is an assistant professor of medicine at Harvard Medical School and a member of the Department of Medicine at Brigham and Women's Hospital.
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Research suggests there may be a link between migraine sufferers who experience aura with their headaches and increased risk of cardiovascular disease.
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Detailed information on the most common types of vascular headaches and migraines
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With a complex migraine, is it normal to experience muscle contraction in the upper and lower extremities?
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When I get migraines, my blood pressure is very low (93/64). Is this normal?
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Could TMJ cause migraines?
James S. Winshall, M.D., is an associate physician at Brigham and Women's Hospital. In addition to his role as senior editor at Harvard Health Publications, Dr. Winshall practices general internal medicine and is an assistant professor at Harvard Medical School.
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Are migraine headaches common during pregnancy? What is safe to take for them?
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An analysis was conducted on research that suggests a link between migraine headaches and ischemic strokes. Migraine sufferers are more likely to have a stroke than nonsufferers.
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A virus is an infectious agent, often highly host-specific, consisting of genetic material surrounded by a protein coat.Viruses infect virtually every life form, including humans, animals, plants, fungi, and bacteria. So small that they cannot be ...
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Viruses are familiar from the common diseases they cause: colds and flu, for instance. But what are they, and how do they cause sickness?
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Meniere''s disease is an inner ear disorder that affects balance and hearing.
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Ménière''s diseaseDefinition Ménière''s disease is a disorder characterized by recurrent vertigo, sensory hearing loss, tinnitus, and a feeling of fullness in the ear. It is named for the French physician, Prosper Méniè...
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Meniere's disease is a problem with the inner ear, the part of the ear responsible for balance as well as hearing. When you have Meniere's disease, too much endolymph (fluid) backs up in the canals, a condition called endolymphatic hydrops. Extra fluid causes pressure to build up, so the canals swell and can't work right. This leads to problems with the ear's hearing and balance systems.
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Ménière''s diseaseDefinition Ménière''s disease is a condition characterized by recurrent vertigo (dizziness), hearing loss, and tinnitus (a roaring, buzzing, or ringing sound in the ears). Description Ménière''s disease...
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Detailed information on M‚niŠre's disease, including causes, symptoms, diagnosis, and treatment
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Meniere''s disease is a condition characterized by recurring vertigo( dizziness), hearing loss, and tinnitus(a roaring, buzzing or ringing sound in the ears).Meniere''s disease was named for the French physician Prosper Meniere who first described t...
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For severe Meniere's that doesn't respond to other types of treatment, draining or removing part or all of the ear's balance canals may be recommended.
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Vertebrobasilar circulatory disorders are conditions in which blood supply to the back of the brain is disrupted.Vertebrobasilar insufficiency; Posterior circulation ischemia.The vertebrobasilar system is also called the back(posterior) circulatio...
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Cerebral vascular insufficiency is defined as insufficient blood flow to the brain. The most common cause of decreased blood flow is atherosclerosis of the arteries that supply blood to the brain.Cerebral vascular insufficiency is a common conditi...
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An acoustic neuroma is a noncancerous( benign), often slow-growing tumor of the nerve that connects the ear to the brain.Vestibular schwannoma; Tumor- acoustic; Cerebellopontine angle tumor; Angle tumor.These tumors are thought to occur when there...
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An acoustic neuroma is a benign tumor involving cells of the myelin sheath that surrounds the vestibulocochlear nerve(eighth cranial nerve).The vestibulocochlear nerve extends from the inner ear to the brain and is made up of a vestibular branch, ...
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Detailed information on acoustic neurinoma, including symptoms, types, diagnosis, and treatment
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A vestibular schwannoma is a type of benign(non-cancerous) tumor that affects the eighth cranial nerve.The eighth cranial nerve is involved in both hearing(the auditory or acoustic component of the nerve) and balance(the vestibular component of th...
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How successful is acoustic neuroma surgery?
David Vernick, M.D. is assistant clinical professor of otology and laryngology at Harvard Medical School and interim chief of the Division of Otology and Laryngology at Beth Israel Deaconess Medical Center.
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An acoustic neuroma is a benign tumor involving cells of the myelin sheath that surrounds the vestibulocochlear nerve(eighth cranial nerve).The vestibulocochlear nerve extends from the inner ear to the brain and is made up of a vestibular branch, ...
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