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Leptospirosis is a blood infection caused by the bacteria Leptospira [8] that can infect humans, dogs, rodents and many other wild and domesticated animals. [8] Signs and symptoms can range from none to mild (headaches, muscle pains, and fevers) to severe (bleeding in the lungs or meningitis). [5]
In humans, symptoms caused by L. interrogans are biphasic, icteric, or anicteric. The icteric form is also known as Weil's disease . [ 29 ] It has been shown in studies that L. interrogans may damage the endothelial cell lining of various vessels and organs, allowing them to leak and further spread the bacteria to other parts of the body. [ 30 ]
Leptospirosis can transfer from animals to humans , humans to humans, or animals to animals via intake of contaminated body fluids, such as urine and blood. [7] The disease is normally absorbed through the mucous membranes of another animal or human and is excreted from the body in the urine. [ 7 ]
Fire ants also sting humans, Frye says, which can cause small pus-filled bumps on the skin, according to the Cleveland Clinic. Other symptoms: Ant bites are typically painful and itchy.
Weil's disease, Hantavirus Conjunctival suffusion is an eye finding occurring early in leptospirosis , which is caused by Leptospira interrogans . Conjunctival suffusion is characterized by redness of the conjunctiva that resembles conjunctivitis , but it does not involve inflammatory exudates. [ 1 ]
Dr. Giangreco says ticks can prompt local reactions following a bite. The classic rash of Lyme's is called Erythema migrans. "It can be circular or oval shaped and have crusting," Dr. Giangreco says.
From ticks to spiders to bed bugs, here’s what the most common bug bites look like in photos, the symptoms to know, and whether or not they can be dangerous.
Common symptoms present in the different types of leprosy include a runny nose; dry scalp; eye problems; skin lesions; muscle weakness; reddish skin; smooth, shiny, diffuse thickening of facial skin, ear, and hand; loss of sensation in fingers and toes; thickening of peripheral nerves; a flat nose from the destruction of nasal cartilages; and changes in phonation and other aspects of speech ...