6279 results found
Medical tests
… cortisol (or low ACTH and high cortisol levels) could be caused by a problem with the adrenal glands. Low levels of ACTH and cortisol could be caused by a problem with the pituitary gland. Overproduction of ACTH. This may be caused by an overactive pituitary gland, or sometimes by a …
Medical tests
… of the lower back (lumbar vertebrae) and a view of the 5 fused bones at the bottom of the spine (sacrum). … Sacrum/coccyx X-ray. It takes a detailed view of the 5 fused bones at the bottom of the spine (sacrum) and the 4 … Why It Is Done A spinal X-ray is done to: Find the cause of ongoing pain, numbness, or weakness. Check for …
Health topics
… or no pain after LASIK. Why It Is Done LASIK surgery may be used to correct mild to moderate nearsightedness in … LASIK may include: Clouded vision (clouding of the cornea caused by inflammation during healing). This usually goes away … vision (diplopia), usually in one eye. New astigmatism caused by wrinkling in the corneal flap or other flap …
Health topics
… and juvenile idiopathic arthritis (JIA) in children. What causes them? Experts don't know what causes spondyloarthropathies. The presence of a particular … What are the symptoms? Spondyloarthropathies often cause: Low back pain that may spread into the buttock. Morning …
Medical tests
… to get the right amount of calcium in your food because the body loses calcium every day. Foods rich in calcium … symptoms. Calcium levels need to be very high or low to cause symptoms. High calcium levels in the urine can cause kidney stones. Why It Is Done A urine calcium test is …
Health topics
… of the year and for at least 2 years in a row. What causes acute bronchitis? Acute bronchitis is usually caused by a virus. Often a person gets it a few days after … a cold or influenza (flu). Sometimes acute bronchitis is caused by bacteria. Acute bronchitis also can be caused by …
Medical tests
… Test Overview A herpes simplex virus (HSV) infection can cause small, painful sores that look like blisters on the skin … a sample from a sore can be tested to check if it is caused by the herpes virus. HSV testing may also be done using … for sexually transmitted infections (STIs). That's because a positive result only means you have been exposed to …
Health topics
… can't pump enough blood to meet your body's needs. What causes it? The cause of restrictive cardiomyopathy is sometimes never found. … inflammation. Radiation therapy and chemotherapy. They are used to treat cancer. Carcinoid syndrome . This is a rare …
Health topics
… depend on the medicine you take. But common ones include: Nausea. Dry mouth. Loss of appetite. Diarrhea or constipation. … General information about side effects All medicines can cause side effects. Many people don't have side effects. And … slowly decrease how much you take. Suddenly stopping can cause side effects. It may also cause your depression to come …
Health topics
… shots given to reduce your sensitivity to allergens that cause an allergic reaction. Small doses of allergens are … small amounts of the venom of the insect or insects are used. The treatment also is sometimes called venom … a severe allergic reaction (anaphylaxis) to the shots. Because of this possibility, the shots are given in a doctor's …
