Tuberculosis ( TB ) is a bacterial infection that unremarkably impress the lungs but can spread to other share of the consistency , including the cutis . Once it reaches the skin , TB can make a variety of lesion , most often on the pegleg , hands , or nerve .
In the United States , TB is often stimulate by bacteria prognosticate Mycobacterium T.B. ( M. tuberculosis ) . However , different bacteria can cause TB in other state .
TB might be passive and not cause symptoms , but if the bacteria multiply in the body , the symptoms can cause severe chest pain in the neck , a long - live on cough that brings up blood and phlegm , and other symptoms of infection such as febrility , chills , and appetite red .
However , TB can spread to other organs and systems , include the gland , encephalon , bones , and skin .
This clause explicate the hide symptoms of tuberculosis .
Tuberculosis skin symptoms
Doctors bear on toTBskin symptoms as cutaneous TB . Various different types of peel lesions can explicate , including :
If tuberculosis infects the hide directly , it will broadly speaking appearup to 4 weeksafter thebacteriaenter the body .
At first , it forms a papule before rise into a shallow ulcer that is not sore . tubercle under the skin near lymph nodes are known assporotrichoid lesion , and these may originate along withswollen lymph leaf node , according to older 2013 information .
Types of skin TB
Different causes and eccentric of dermal TB star to different symptom . These include :
Sometimes , a elemental TB infection of the skin will heal only for lupus vulgaris or TB verrucosa cutis to modernise in the same locating .
Some types , such as lupus vulgaris , may also increase the danger of skin cancers such assquamous cell carcinomafor10 % of people . This may develop in dermal TB scars around 25 to 30 years after the original contagion .
Other tuberculosis symptoms
peel symptom of TB are rare , and other symptoms are more probable to grow . Theseinclude :
If a somebody has dormant TB , they may not experience these symptoms at first . However , TB rest in the dead body without discussion , so they might develop TB symptoms later on .
TB may diffuse toother parting of the body , and these symptoms will depend on the area that grow the bacterium . For representative , TB disease of the :
Tuberculosis causes
M. tuberculosis may directly go in the skin or spread there via the bloodstream . When TB enter the skin directly , it may be a rare response to an injected vaccine , such as theBacille Calmette - Guerin ( BCG ) vaccine .
Tattoos , piercings , or other hide accidental injury can also lead to TB passing the cutis roadblock .
TB can also spread to the skin from underlie focal points of infection , such as a lymph knob or osseous tissue .
Most often , TBspreads through the airwhen an somebody with TB talk or coughing . M. tuberculosis can stay airborne for several hours and spreads more pronto in places with little circulation , such as a closed vehicle . masses with a high risk of acquire M. tuberculosis may let in :
However , even in region that experience TB more often than the United States , including China , the Indian subcontinent , and sub - Saharan Africa , fewer than 0.1%of mass get cutaneous TB .
This equates toaround 1 % to 2%of people who experience symptoms of TB outside the lung . It may be more common in global regions with a higher prevalence of HIV or other shape that thin the ability of the resistant system to foresee infection .
Tuberculosis treatment
the great unwashed can take a course of TB medication to treat fighting or dormant TB . plow dormant TB can prevent symptom from take place . This usually involves take a combination of medicament for3 to 9 month , count on the discourse architectural plan .
medicine for TB include :
However , drug - resistant TB requires treatment with different medications .
Some wound , such as lupus vulgaris or scrofuloderma , may require surgical removal . Lupus vulgaris often generate worse without treatment . T.B. verrucosa cutis and scrofuloderma may heal without handling , but they can also exacerbate .
Even though some tegument lesions are slow - healing , full recovery often occurs after using muti - drug therapy . rehabilitative plastic surgical process may also be necessary to come up to hurt by some lesions .
Summary
TB can enter the peel directly or through the blood , lymph nodes , or bones if it go beyond the lung . A range of conditions can do severe nodules , ulcer , pustules , and plaques that vary in procession , outlook , and ego - healing ability .
Cutaneous TB is very rarified , even in people who modernize TB outside of the lungs . It is more likely in people who have compromised immune system of rules .
handling let in multi - drug therapy , and doctor may recommend surgically removing lesion for some types of cutaneous TB .
