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Viral gastroenteritis, or stomach flu, is a type of acute gastroenteritis caused by a viral infection of the intestines. Stomach flu can occur suddenly and is contagious. Symptoms of stomach flu include: Severe abdominal pain Nausea Vomiting Fever Treatment for stomach flu is mainly based on drug treatment, based on the severity. Mild vomiting and diarrhoea in adults can be combined with acupuncture to relieve symptoms, while moderate and severe cases should quickly be treated through Western medicine, especially in children, to avoid dehydration caused by excessive fluid loss.
From a biomedical perspective, a stroke occurs when blood supply to the brain is interrupted, causing brain cells to lose their function thus leading to the signs and symptoms commonly observed. There are two main types of stroke: Ischaemic stroke occurs due to blockage of blood vessel, limiting blood flow to the brain. It is the most common, accounting for 74% of stroke in Singapore. Haemorrhagic stroke occurs due to rupture of blood vessel, causing bleeding into the brain. This makes up 24% of stroke in Singapore.