http://www.nlm.nih.gov/medlineplus/ency/article/003073.htm
6 |; X7 D5 E0 I0 h8 o) o3 LCoughing up bloodEmail this page to a friendShare on facebookShare on twitterBookmark & SharePrinter-friendly version
$ t9 ]7 v/ T4 o7 TCoughing up blood is the spitting up of blood or bloody mucus from the lungs and throat (respiratory tract).
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2 z# s1 E5 W' A2 L. R' j4 M: @Hemoptysis is the medical term for coughing up blood from the respiratory tract.
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7 t# Y( N2 p* L& QConsiderations
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3 g0 \' b. ~- R4 UCoughing up blood is not the same as bleeding from the mouth, throat, or gastrointestinal tract.7 \/ m3 V4 t. d/ V" n2 J
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Blood that comes up with a cough often looks bubbly because it is mixed with air and mucus. It is usually bright red, although it may be rust-colored. Sometimes the mucus may only contain streaks of blood.
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Causes' h. b# u( F' S% M: X
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A number of conditions, diseases, and medical tests may make you cough up blood, including:/ [5 r! R" x0 \4 ]
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Blood clot in the lung
* t1 u- x5 y, d6 }Breathing blood into the lungs (pulmonary aspiration)- N0 t+ Z4 J7 J9 ~8 Q0 W, l
Bronchoscopy with biopsy
4 |. [" s. ^, G# CBronchiectasis2 j* N2 O5 W8 a5 [# P" k
Bronchitis* C5 V' g7 s' o- R( U f( t h# Z4 w' L
Cancer
6 S2 \) |- ? ~$ b! Q% SCystic fibrosis( D) L4 i& n" H5 d
Inflammation of the blood vessels in the lung (vasculitis)6 p" V$ v9 M% _3 p
Injury to the arteries of the lungs
: @; z( t* r5 D: ]1 `- DIrritation of the throat from violent coughing (small amounts of blood)
4 E, r) Y% Y% n5 Q8 j. `( ZPneumonia or other lung infections
4 u' O# B6 g7 d. ?) X* t! CPulmonary edema
8 }$ W1 S" q zSystemic lupus erythematosus
- W- X3 l3 O) k' {Tuberculosis6 L# b0 h5 h+ O. f5 j, F
Home Care4 N% `! o& C& @! U: p
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Cough suppressants may help if this condition is due to throat irritation from violent coughing. However, cough suppressants may lead to airway blockages in some cases. Always check with your doctor before using them.8 O2 q( x' G( W1 M# I" _3 c
2 Q2 U9 {' h, r# V Y4 R/ E5 {* q! WIt is very important to note how long you cough up blood, and how much blood is mixed with the mucus. Contact your doctor any time you cough up blood, even if you do not have any other symptoms.8 G: A8 w( I2 H3 |; i
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When to Contact a Medical Professional* Y7 `6 _, w- `( v
$ T! w4 C: ]7 q7 f/ S, EGet medical help right away if you cough up blood and have:
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. w' ^! J2 ?& t7 X& SA cough that produces more than a few teaspoons of blood5 n! W* T$ q& ~8 p( r( @8 E
Blood in your urine or stools, Q1 F9 D9 I7 x; A4 V
Chest pain
# `0 {$ p8 p( y" ]) _Dizziness
# Y# u) P& h7 T, _7 oFever) E9 F0 j! v2 j+ m9 T; r2 l
Light-headedness. b/ {8 x: b' d# |% \' V; P
Severe shortness of breath
/ J; a/ u+ K$ z* IWhat to Expect at Your Office Visit0 d2 m& }; p. n6 B
2 |$ K1 ?9 u7 N* ]! dIn an emergency case, your doctor will give you treatments to control your condition. The doctor will then ask you questions about your cough, such as:4 w E2 H- b* a$ w8 q* O2 `
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Are you coughing up large amounts of blood (massive hemoptysis)?) j7 \9 m- v- F5 m, U8 [: ^
Can you see blood when you cough up something?
- c5 \$ L$ O) k7 \/ I7 BHow many times have you coughed up blood?
; o/ P" k/ P0 f9 z- w4 ^- U( JIs there blood-streaked mucus (phlegm)?: c# i# i+ y0 \, H
Time pattern
! d5 p" B z5 B) ~# ODid it begin suddenly?
' O! V0 ?9 h4 w% w+ ~Has it increased recently?
$ e E! O9 _, h! M0 pFor how many weeks has the cough lasted?! v1 f- z* C7 n6 @+ H8 h
Is the cough worse at night?2 K; ^3 g' y- R$ }% X
What other symptoms do you have?; N, ~4 L% C8 p2 y! L
The doctor will do a complete physical exam and check your chest and lungs. Tests that may be done include:+ p) m. ~0 Q1 Y9 O$ u* J
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Bronchoscopy, a test to view the airways
! G- \/ R! C! q: @/ C6 O8 [, {Chest CT scan8 b# _9 `2 Y+ T. n4 h
Chest x-ray
) O9 L" h8 ~8 l8 n7 j {8 j! r" qComplete blood count
( s8 h. E! F* I, J0 ?! v2 i c8 iLung biopsy; ~0 G8 ]( o6 L
Lung scan- f# P r1 A* L3 M/ t. ?7 c8 `
Pulmonary arteriography
* E! a& g- S( ySputum culture and smear' `% o7 E ~3 u; Q
Test to see if the blood clots normally, such as PT or PTT |