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This article discusses the symptoms and causes of secondary polycythemia in addition to diagnosis and treatment. What is the difference between primary and secondary polycythemia? Primary polycythemia is resulting from an abnormality of the cells in the bone marrow that form red blood cells. FluxFactory / Getty Images The job of a red blood cell is to deliver oxygen to the body tissues. Smoking, for example, interferes with this process, so it is a common cause of secondary polycythemia....

Symptoms of a Silent Migraine Symptoms of silent migraines typically involve three offour migraine phases. A silent migraine goes through the prodrome, aura, and post-dome phases but skips the headache phase. Even without a headache, silent migraines can disrupt a persons daily activities. Ellen Lindner / Verywell 5 Types of Migraine Auras Visualized and Explained How Long Will It Last? It can come back or be a one-time event. Types of Migraine A silent migraine is just one throw in of migraine....

Sleep-related laryngospasm is a vocal cord spasm that takes place during sleep. This article discusses possible causes of sleep-related laryngospasm, including nocturnal heartburn, medication use, and viralinfections. It also reviews symptoms, treatment options, and when to contact your healthcare provider. For most individuals, sleep-related laryngospasms tend to only occur one to three times a year. Causes of Sleep-Related Laryngospasm Sleep-related laryngospasm is not always due to an underlying condition. However, when it is, it is often because something irritated the larynx....

There may be problems with motor skills and abilities. These are called primary spinal tumors. Types of malignant spinal tumors include: Tumors that grow large enough can result in spinal misalignments and deformities. Dolgachov / Getty Images Vascular disorders cause abnormalities in blood vessels that can form spinal cord lesions. In many cases, these congenital conditions do not cause symptoms. Based on the findings, other tests may be performed to narrow the possible causes....

Spinal synovial cysts are benign fluid-filled sacs in the joints of the spine. They form because of degeneration or injury (as a way to protect the injury). These cysts are not uncommon. nico_blue / Getty Images They may cause pain and lead to other spinal conditions. Symptoms For most people, synovial cysts won’t cause any symptoms. If a synovial cyst is compressing a nerve, it can cause back pain, weakness, or numbness....

Squamous cell carcinoma(SCC) in the lung is one form ofnon-small cell lung cancer. Non-small cell lung cancers account for about 85% of lung cancers, many of them associated with smoking. Of these, roughly 30% aresquamous cellcarcinomas. Illustration by Julie Bang for Verywell Health Squamous cell carcinoma begins in the tissues that line the air passages in the lungs. It is also known as epidermoid carcinoma. Most squamous cell carcinomas of the lungs are located centrally, usually in the largerbronchithat join thetracheato the lung....

However, there are times when someone with status epilepticus may not improve despite treatment. However, prolonged seizures can occurand are always an emergency. The symptoms of status epilepticus may be easy to recognize in some situations, but not others. Verywell / Emily Roberts Some cases of status epilepticus can be subtle, especially in people who are severely ill. There are many types of seizures. Theconvulsiveones, which are characterized by shaking or jerking, are usually obvious....

Intractable Migraines Status migrainosus (sometimes calledintractable migraines) affect less than 1 percent of people with migraines. With status migrainosus, they last 72 hours or longer. Instead, certain criteria must be met and other potential causes ruled out. PhotoAlto/Frederic Cirou/Getty Images Treatment People with status migrainosus typically do not find relief with their usual migraine medications. For this reason, these migraines are often treated inthe emergency room. Keeping ajournal to record triggersof each migraine you experience can help you avoid them in the future....

Scalds from hot liquid and steam make up 35% of all burn injuries seen in U.S. burn centers. Steam burns can happen on any exposed area of skin. They can also affect the eyes ormucous membranesin your mouth, nose, andwindpipe. Verywell / Emily Roberts This article discusses the symptoms, diagnosis, prevention, and treatment of steam burns. It also looks at the steps to take after you or someone else has been burned....

Subcutaneous emphysema can be resulting from medical procedures, surgeries, accidents, injuries, or infections. Sopone Nawoot / Getty Images Plus This article explains the symptoms and causes of subcutaneous emphysema. It will also discuss how it’s diagnosed, treatment options, and tips for coping with the condition. Sopone Nawoot / Getty Images Plus This is referred to as spontaneous subcutaneous emphysema. Subcutaneous emphysema is more common in men than in women. Subcutaneous Emphysema Symptoms Symptoms of subcutaneous emphysema can range from mild to severe....

Surgery is medical treatment provided through an opening in the body. Some people opt for surgery for cosmetic reasons. Learning that you need surgery can be a confusing and intimidating prospect, and you may have many questions. Marcelo De La Torre / EyeEm / Getty Images It can be helpful to understand basic surgical terminology. More than one million Americans have a successful surgical procedure each week, according to theNational Quality Forum....

Swimming-related headaches have a few different causes with similar symptoms. Sinus cavities can be irritated by swimming in chlorinated water. Bacteria and viruses can enter the nasal cavity during swimming, causing a sinus infection. Thomas Barwick / Getty Images If you have sinus pain that does not resolve with over the counter medication, see your healthcare provider. In the case of an infection, your healthcare provider will likely prescribe antibiotics....

Verywell / Jessica Olah Atopic Dermatitis Atopic dermatitisis the most common form of eczema. It typically begins during childhood. Signs and Symptoms Atopic dermatitis often causes ared rashin the creases of the elbows and knees. Verywell / Jessica Olah Babies also often get atopic dermatitis on the scalp and cheeks. A skin biopsy may also help confirm a diagnosis. Atopic dermatitis cannot be cured, but treatment can help decrease symptoms....