Introduction Keratomalacia is a pathological condition of the eyes which is caused as a result of deficiency of vitamin A. This disease causes scarring of the cornea and fibrotic deformity of the eyeballs. The role of vitamin A for the eyes is to maintain structures like cornea and conjunctiva. In …
Read More »Lassa Fever – Symptoms, Causes, Treatment, and Prevention.
Definition Lassa fever is an acute viral hemorrhagic illness caused by the lassa virus, a member of the arenavirus family of viruses. It is transmitted to humans from contacts with food or household items contaminated with rodent excreta. The disease is endemic in the rodent population in parts of west …
Read More »Listeriosis – Definition, Symptoms, Treatment, and Prevention.
Definition Listeriosis is an infection caused by a gram stain-positive motile bacterium named Listeria monocytogenes. The foodborne illness produces fever, muscle aches, and, in many people, diarrhea. Severe infections can cause headaches, meningitis, convulsions, and death. Most healthy people exposed to the bacteria have minor or no symptoms, but a …
Read More »Nocardiosis – Definition, Symptoms, Causes, Prevention and Treatment.
Definition Nocardiosis is a rare infection caused by the Nocardia asteroides bacterium. This type of bacteria can be found in the soil and water of regions around the world. People may become infected with this bacteria when they inhale it or when the bacteria enter an open wound. The infection …
Read More »Hypocobalaminemia – Complications, Causes, and Treatment.
Introduction Hypocobalaminemia or Vitamin B12 deficiency, as the name indicates, it is a condition characterized by a lack of the water soluble vitamin known as B12. A deficiency of this vitamin, which is vital for physical processes, increases the risk of heart attack and can damage the nerve cells apart …
Read More »Opisthorchiasis – Causes, Symptoms, Diagnosis, and Treatment.
Definition Opisthorchiasis is an infection caused by either of the two parasite worms, the cat liver fluke, or scientifically called Opisthorchis felineus (also known as Opisthorchis tenuicollis), or the Southeast Asian liver fluke (called as Opisthorchis viverrini). The term “fluke” means flatfish, since these parasites are flat. Opistorhoz in fish …
Read More »Tinea Nigra – Risk Factors, Symptoms, Treatment and Prevention.
Definition Tinea nigra is a fungal infection that is mainly seen on the palms of the hands or soles of the feet causing a dark brown to black discoloration of the affected skin. The word tinea means a fungal infection and nigra means black. Tinea nigra is overall an uncommon …
Read More »Conjunctivitis – Causes, Risk Factors and Treatment.
Introduction Conjunctivitis is a nonspecific term used to describe an inflammation of the conjunctiva, which can be caused by a wide range of conditions. It is commonly referred to as “red eye” or “pink eye.” Conjunctivitis may result from primary involvement of the conjunctival tissue or may occur secondary to …
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