What are the symptoms of opthalmoneuromyelitis? Ophthalmoneuromyelitis, also known as Devic's disease or neuromyelitis optica (NMO), is a rare autoimmune disorder that primarily affects the optic nerves and spinal cord. Symptoms of ophthalmoneuromyelitis can [...]

An oophorectomy is a surgical procedure to remove one or both of the ovaries. The ovaries are the female reproductive organs that produce eggs and hormones such as estrogen and progesterone. An oophorectomy may [...]

What are the symptoms of olecranon bursitis? Olecranon bursitis is a condition characterized by inflammation of the bursa located at the tip of the elbow. The bursa is a small, fluid-filled sac that acts [...]

What is hyperpigmentation? Hyperpigmentation is a common skin condition characterized by the darkening of certain areas of the skin. It occurs when an excess of melanin, the pigment that gives skin its color, is [...]

What are the symptoms of obstructive sleep apnea? Obstructive sleep apnea (OSA) is a sleep disorder characterized by repeated episodes of partial or complete obstruction of the upper airway during sleep, leading to breathing [...]

What are the symptoms of OCD? Obsessive-compulsive disorder (OCD) is a mental health condition characterized by intrusive, unwanted thoughts (obsessions) and repetitive behaviors or mental acts (compulsions) that a person feels compelled to perform. [...]

What are the symptoms of vitamin D deficiency? Vitamin D deficiency can cause a variety of symptoms, which can vary in severity. Some common symptoms of vitamin D deficiency include: Bone Pain: Vitamin D [...]

What are the symptoms of a nose fracture? A nose fracture, also known as a broken nose, can cause a range of symptoms, which may vary depending on the severity of the injury. Common [...]

What are the symptoms of norovirus? Norovirus is a highly contagious virus that causes gastroenteritis, an inflammation of the stomach and intestines. Symptoms of norovirus infection typically appear within 12 to 48 hours after [...]

What are the symptoms of Noonan syndrome? Noonan syndrome is a genetic disorder that affects various parts of the body. Symptoms can vary widely among affected individuals, but common features of Noonan syndrome may [...]

What are the symptoms of non-small-cell lung cancer? Non-small-cell lung cancer (NSCLC) is the most common type of lung cancer, accounting for about 85% of all cases. Symptoms of NSCLC can vary depending on [...]

What are the symptoms of non-melanoma skin cancer? Non-melanoma skin cancer is a type of cancer that typically develops on sun-exposed skin, such as the face, ears, neck, lips, and backs of the hands. [...]

What are the symptoms of noninfectious uveitis? Noninfectious uveitis is inflammation of the uvea, the middle layer of the eye that includes the iris, ciliary body, and choroid. Symptoms of noninfectious uveitis can vary [...]

What are the symptoms of non-Hodgkin's lymphoma? Non-Hodgkin's lymphoma (NHL) is a type of cancer that affects the lymphatic system, which is part of the body's immune system. The symptoms of NHL can vary [...]

What are the symptoms of nonalcoholic fatty liver disease? Nonalcoholic fatty liver disease (NAFLD) is a condition in which excess fat is stored in the liver. NAFLD is typically asymptomatic in its early stages, [...]

What are the symptoms of bedwetting? Bedwetting, also known as nocturnal enuresis, is the unintentional passage of urine during sleep. Symptoms of bedwetting may include: Repeated Episodes of Bedwetting: Bedwetting is considered a problem [...]

Should I be taking nitroglycerin for chest pain? Nitroglycerin is a medication commonly used to treat chest pain or angina, which is caused by reduced blood flow to the heart muscles. If you have [...]

What are the symptoms of sleep-related eating disorders? Sleep-related eating disorders (SRED) are a type of parasomnia characterized by abnormal eating behaviors during sleep. Symptoms of SRED may include: Episodes of Eating During Sleep: [...]

What are the symptoms of night blindness? Night blindness, also known as nyctalopia, is a condition that makes it difficult to see in low light or darkness. Symptoms of night blindness may include: Difficulty [...]

What are the symptoms of diabetic nephropathy? Diabetic nephropathy, also known as diabetic kidney disease, is a complication of diabetes that affects the kidneys. In its early stages, diabetic nephropathy may not cause any [...]

What are the symptoms of renal cell carcinoma? Renal cell carcinoma (RCC), also known as kidney cancer, often does not cause noticeable symptoms in its early stages. However, as the cancer progresses, it can [...]

What are the symptoms of Fournier’s gangrene? Fournier's gangrene is a rare but serious infection of the genital and perineal area that requires immediate medical attention. Symptoms of Fournier's gangrene may include: Severe Pain: [...]

What are the symptoms of necrotizing enterocolitis? Necrotizing enterocolitis (NEC) is a serious condition that primarily affects premature infants, although it can occur in full-term infants as well. The symptoms of NEC can vary [...]

What are the symptoms of neck and shoulder pain? Neck and shoulder pain can manifest in various ways, and the symptoms can vary depending on the underlying cause. Some common symptoms of neck and [...]

What are the symptoms of myopia? Myopia, also known as nearsightedness, is a common refractive error of the eye that causes distant objects to appear blurry while close objects can be seen clearly. The [...]

What are the symptoms of a broken wrist? A broken wrist, also known as a wrist fracture, can cause a variety of symptoms, depending on the location and severity of the fracture. Common symptoms [...]

What are the symptoms of nasopharyngeal cancer? Nasopharyngeal cancer is a rare type of head and neck cancer that affects the nasopharynx, which is the area behind the nose and above the back of [...]

What are the symptoms of NASH? Nonalcoholic steatohepatitis (NASH) is a type of nonalcoholic fatty liver disease (NAFLD) that can lead to liver inflammation and damage. The symptoms of NASH can vary widely among [...]

What are the symptoms of a perforated nasal septum? A perforated nasal septum is a condition where there is a hole or rupture in the nasal septum, which is the thin wall of cartilage [...]

What are the symptoms of narcolepsy? Narcolepsy is a chronic neurological disorder that affects the brain's ability to regulate sleep-wake cycles. It is characterized by excessive daytime sleepiness, sudden loss of muscle tone (cataplexy), [...]