What causes memory loss?

Many things.....: This is too broad a question to give a simple response, because memory can be affected by things like insomnia, sleep apnea, mood disorders, medication side effects, dementia diseases (like alzheimer's), fibromyalgia, severe illness, attention deficit disorder, and the list goes on. If you have symptoms of memory loss, see your doctor to investigate and narrow down the search.

Memory loss: Memory loss is caused by many factors such as age, health, mental health, medication use, history of head injury, metabolic and environmental factors. Immediate recall is the most susceptible followed by short term memory followed by long term memory.

Many situations: Sleep deprivation, medical side effects, alcohol and drug abuse, hypothyroidism, syphilis and HIV, vitamin deficiency especially B-12, stress and depression.

Memory loss: Can be caused by numerous events including strokes/trauma, medications or drugs, and illnesses such as Alzheimer’s dementia/other diseases. The complaint of memory impairment requires a careful evaluation and workup to rule out organic causes due to the multitude of possible causes. If it occurred suddenly this directs the M.D. to investigate accordingly, for example.