Leprosy (Hansen's disease) is a disfiguring disease caused by infection with Mycobacterium leprae bacteria. The disease is spread from person to person through nasal secretions or droplets. Symptoms and signs of leprosy include numbness, loss of temperature sensation, painless ulcers, eye damage, loss of digits, and facial disfigurement. Leprosy is treated with antibiotics and the dosage and length of time of administration depends upon which form of leprosy the patient has. Read more: Leprosy Article
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Bacterial Infections 101: Types, Symptoms, and Treatments
Get more information on bacterial skin infections, which bacteria cause food poisoning, sexually transmitted bacteria, and more....
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Picture of Lepromatous Leprosy
Leprosy, or Hansen's disease, is a chronic multisystem disease that is caused by Mycobacterium leprae, an acid-fast bacillus. See...
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Infectious Disease: Are These Historical Illnesses Coming Back? See SlideshowRelated Disease Conditions
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Hair Loss (Alopecia)
There are many causes of scalp hair loss. This featured article covers the common ones such as patchy hair loss (alopecia areata, trichotillomania, and tinea capitis), telogen effluvium, and androgenetic alopecia (male-pattern baldness, female-pattern baldness).
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Foot Pain
Foot pain may be caused by injuries (sprains, strains, bruises, and fractures), diseases (diabetes, Hansen disease, and gout), viruses, fungi, and bacteria (plantar warts and athlete's foot), or even ingrown toenails. Pain and tenderness may be accompanied by joint looseness, swelling, weakness, discoloration, and loss of function. Minor foot pain can usually be treated with rest, ice, compression, and elevation and OTC medications such as acetaminophen and ibuprofen. Severe pain should be treated by a medical professional.
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Alopecia Areata
Alopecia areata is a condition that causes hair loss on the scalp and sometimes other parts of the body. It is believed to be caused by an abnormality of the immune system that causes the body's immune system to attack the hair follicles. Typically, hair regrows within a year without treatment. Steroid injections, creams, and shampoos may be used during treatment.
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Blindness
Blindness is the state of being sightless. Causes of blindness include macular degeneration, stroke, cataract, glaucoma, infection and trauma. Symptoms and signs may include eye pain, eye discharge, or the cornea or pupil turning white. Treatment of blindness depends upon the cause of the blindness.
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Is Leprosy (Hansen's Disease) Contagious?
Leprosy is an infection caused by Mycobacterium leprae. Leprosy is only mildly contagious and is transmitted via frequent contact with an infected person or animal. The incubation period for leprosy ranges from two to 10 years.
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Aseptic Necrosis
Aseptic necrosis (avascular necrosis or osteonecrosis) develops when blood supply diminishes to an area of bone and causes bone death. Though aseptic necrosis may be painless, pain is often associated when using the degenerating bone. If caught early, aseptic necrosis may be treated by grafting new bone into the degenerating area. In later stages, joint replacement surgery may be required.
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Travel Medicine
Travelers should prepare for their trip by visiting their physician to get the proper vaccinations and obtain the necessary medication if they have a medical condition or chronic disease. Diseases that travelers may pick up from contaminated water or food, insect or animal bites, or from other people include: malaria, meningococcal meningitis, yellow fever, hepatitis A, typhoid fever, polio, and cholera.
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