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Causes of blurred vision and nausea include high blood pressure, low blood pressure, consumption of alcohol and fibromyalgia. People who have type 2 diabetes may experience these symptoms. Certain prescription and over-the-counter medications also have side effects that include blurry vision and stomach upset. These symptoms are often accompanied by other symptoms, such as dizziness, which can nausea to worsen.
High and low blood pressure can cause many problems. Low blood pressure usually is not a real danger until it is accompanied by blurred vision and nausea or other symptoms. That's not the case with high blood pressure, which can cause these symptoms but doesn't always exhibit any signs. High blood pressure can be deadly if not treated. Disease, genetics, stress, blood loss and lack of nutrients are all culprits in high and low blood pressure.
Alcohol also can be to blame for blurred vision and nausea. When a person drinks alcohol, it is absorbed into the stomach and small intestine. The alcohol changes the way the central nervous system works, causing the person to feel drunk. Many times, the person will also experience vomiting, dizziness and slurred speech.
These symptoms also can be blamed on alcohol-related dehydration. A person can easily become dehydrated while consuming alcohol, because it keeps certain hormones from reproducing, causing a person to urinate frequently. The drinker often is unaware of the potential for dehydration, believing his alcohol consumption is keeping him properly hydrated.
Fibromyalgia is a disorder that causes a wide range of symptoms, including blurred vision and nausea, making it hard for sufferers to go about their normal lives. People with fibromyalgia may experience frequent headaches, constant fatigue, and may hurt all over the body. Others may experience dizziness, whether for a couple of minutes or a couple of days. The dizziness can lead to nausea and vision problems. Fibromyalgia requires medical treatment that may include prescription medication, plenty of rest and therapy.
Blurred vision and nausea also can be a symptom of type 2 diabetes. People who have this disease may lose weight rapidly, be hungry all the time, urinate more often, frequently feel tired and be cranky. The symptoms are often mistaken for other illnesses or are not recognized as signs of the disease. Many people with type 2 diabetes do not know they have it until they develop more serious symptoms such as chest pain, a stroke or dehydration.
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