Why do I need a TB screening?You may need a TB skin test or TB blood test if you have symptoms of an active TB infection or if you have certain factors that put you at higher risk for getting TB.Symptoms of an active TB infection include:Cough that lasts for three weeks or moreCoughing up bloodChest painFeverFatigueNight sweatsUnexplained weight lossIn addition, some childcare centers and other facilities require TB testing for employment.You may be at higher risk for getting TB if you:Are a health care worker who cares for patients who have or are at high risk for getting TBLive or work in a place with a high rate of TB infection. These include homeless shelters, nursing homes, and prisons.Have been exposed to someone who has an active TB infectionHave HIV or another disease that weakens your immune systemUse illegal drugsHave traveled or lived in an area where TB is more common. These include countries in Asia, Africa, Eastern Europe, Latin America, and the Caribbean, and in Russia.
