The website Medicinenet says that short-term memory loss may have multiple causes. This symptom is triggered by many things, including a medical condition or head injury. These effects might be permanent, depending on the cause. Short-term memory loss, also called amnesia, causes a person to forget past experiences, such as a wedding, graduation or birth. This effect may be sudden or develop gradually.
Chronic Fatigue Syndrome
The Wrong Diagnosis website says that chronic fatigue syndrome is linked to short-term memory loss. This disorder causes a person to constantly feel fatigued, even after resting. Chronic fatigue syndrome results in several other symptoms, such as depression, migraines, arthritis and "brain fog." The reasons this condition causes memory loss are not known.
Atlantic Mussel Food Poisoning
Atlantic mussel food poisoning is another cause of sudden short-term memory loss. According to the Wrong Diagnosis website, a person can develop sudden memory problems induced by food poisoning after eating this type of mussel. Other symptoms include diarrhoea, vomiting and headaches. Some people may even develop long-term memory loss as well.
A head injury is another common cause of short-term memory loss. An injury to the head can cause nerve damage that may affect the brain. A person might also feel dizzy, lightheaded and nauseated. Sudden amnesia usually happens right after the injury occurs. The problem can persist over timeor a person can recover quickly -- depending on the resilience of that particular person's body and the type of head injury.
The Medicinenet website says that short-term memory loss can also be caused by Parkinson's disease. This condition causes the nerves in the body to regenerate. People can also experience such symptoms as short term-memory loss and slowed speech.
Sudden short-term memory loss can also be triggered by a brain tumour. The tumour can put pressure on the nerve centres in the brain that control memory. Other symptoms of a brain tumour are frequent headaches, loss of facial sensation and seizures.
Alcohol abuse is another cause of sudden short-term memory loss. Over time, drinking too much alcohol can affect the brain and the body. Binge drinkers may experience this problem frequently. The effects are usually sudden but temporary, depending on the extent of alcohol abuse.
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