Optic neuritis- Causes, Diagnosis and Management

Definition Optic neuritis is the inflammation of the optic nerve (the second cranial nerve). The inflammation causes a fairly rapid loss of vision in the affected eye, a new blind spot (a scotoma, usually in or near the center of the visual field), pain in the eyeball (often occurring with …

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Anthrax – Causes, Dangers, Treatment, and Prevention

Definition Anthrax, also called malignant pustule or woolsorters disease, acute, infectious, febrile disease of animals and humans caused by Bacillus anthracis, a bacterium that under certain conditions forms highly resistant spores capable of persisting and retaining their virulence for many years. Although it is most commonly affects grazing animals such …

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Zika Virus – Risk Factors, Symptoms, and Prevention.

What is the Zika Virus? Zika virus is similar to dengue fever, yellow fever, and West Nile virus. Carried by infected Aedes aegypti mosquitos, Zika is largely transmitted through bites, but can also occur through intrauterine infection. If a woman is bitten by an infected mosquito and becomes infected, Zika …

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Alcohol poisoning- Causes, Prevention and Treatment

Definition Alcohol poisoning can occur when a person drinks large quantities of alcohol, including beer, wine, and liquor, in a relatively short time. As the amount of alcohol in the bloodstream increases, the liver can’t break down the alcohol and remove its toxins from the blood quickly enough. The excess …

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Coronavirus – Causes, Symptoms, and Prevention?

What is coronavirus? A coronavirus is a group of common viruses. They are named for the crown-like spikes on the surface of the virus. Some coronaviruses only affect animals, but others can also affect humans. Most people get infected with human coronaviruses at some time in their life. This usually …

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Chilblains – Pathophysiology, Risk factors, and Diagnosis.

Overview – Chilblains Chilblains (CHILL-blayns) are the painful inflammation of small blood vessels in your skin that occur in response to repeated exposure to cold but not freezing air. Also known as pernio, chilblains can cause itching, red patches, swelling and blistering on your hands and feet. Chilblains usually clear …

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