http://www.nlm.nih.gov/medlineplus/ency/article/003073.htm
: |1 c0 _/ J- L1 k, bCoughing up bloodEmail this page to a friendShare on facebookShare on twitterBookmark & SharePrinter-friendly version- R. ~, t+ Z4 c. A
Coughing up blood is the spitting up of blood or bloody mucus from the lungs and throat (respiratory tract).( t0 L# J1 Q* F% G2 x, J
" F7 m6 Y1 a+ o# b/ WHemoptysis is the medical term for coughing up blood from the respiratory tract.
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Considerations
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Coughing up blood is not the same as bleeding from the mouth, throat, or gastrointestinal tract.
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: L2 O& j- C! H3 O7 JBlood 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." G! u2 s) t; F8 U" r! p/ Q
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Causes
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A number of conditions, diseases, and medical tests may make you cough up blood, including:$ k$ V% @# c' k- h% V
8 c3 c" H2 g, y+ F: g# ^Blood clot in the lung/ U: s8 P0 N' L8 N8 b
Breathing blood into the lungs (pulmonary aspiration)
) X9 T9 c7 e, A( B7 MBronchoscopy with biopsy
7 g/ Q2 P9 _( n2 E, A' e3 BBronchiectasis
6 o. K# W' ]: O f8 kBronchitis6 l$ W' S+ @! @- {* w6 _
Cancer
) ]6 u" G$ R" }) kCystic fibrosis
- ^1 w) G6 H( cInflammation of the blood vessels in the lung (vasculitis)
7 ~ a( A& _ |8 @! V0 N1 tInjury to the arteries of the lungs
3 s" w: w/ R$ l$ B# B1 KIrritation of the throat from violent coughing (small amounts of blood)
. l% N2 \# f$ Z3 }: `4 D" {Pneumonia or other lung infections
! O5 t3 G+ V9 z. Y1 y E0 YPulmonary edema7 x- p( B/ v" P1 J/ w- s! C
Systemic lupus erythematosus" e& H( {& h7 Y3 P5 E$ _7 i
Tuberculosis4 d9 u+ y) `3 m; L" h" L! E4 v
Home Care1 C9 X: e5 {" R* W& o& ^6 }( r
( ^1 ]9 M, ]$ ?. ]& {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.
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! [* j, x: h, k7 K( AIt 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.
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When to Contact a Medical Professional
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& |$ s" z4 j3 Y# v r0 a4 [Get medical help right away if you cough up blood and have:1 E. _6 i# U, G( g1 S3 I+ v* @0 }
2 V# G4 N$ h+ ]! P( j) z: t, wA cough that produces more than a few teaspoons of blood
+ g. z2 D, N5 T: aBlood in your urine or stools
0 U7 J) k. d" d7 c1 I7 G6 PChest pain. u3 S1 Y8 P" ]; v. h5 a3 _
Dizziness0 f; E" x K% A
Fever F8 [ I+ {" s# M# _
Light-headedness
% t8 r8 S8 U( o9 Y. M7 e: KSevere shortness of breath: ~9 D( L+ _" q1 q' c
What to Expect at Your Office Visit( \' f) a/ J* \7 w
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In 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:
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Type4 Z5 Y4 m4 t" U/ T$ C1 n: ~: S
Are you coughing up large amounts of blood (massive hemoptysis)?
7 i5 M6 W; E8 S* Z" `1 r iCan you see blood when you cough up something?
9 I7 P! R+ z- c8 w2 q) L( yHow many times have you coughed up blood?9 \% n2 ^9 A7 j& G9 P" @" x' [5 q
Is there blood-streaked mucus (phlegm)?( `- a, o4 H# Q8 ^$ A8 r3 c3 w
Time pattern
4 ]/ s+ j. W4 u# r8 CDid it begin suddenly?
3 }4 y& F: B- ^Has it increased recently?& z+ Z0 _9 F/ O8 _6 l+ ]
For how many weeks has the cough lasted?/ h/ U6 Q1 n; b1 e# Z: ~8 M2 a
Is the cough worse at night?
/ e* E' {( w3 J5 _! S7 ]& UWhat other symptoms do you have?
8 a H9 s6 M' ?The doctor will do a complete physical exam and check your chest and lungs. Tests that may be done include:; Z2 ^" P' d; N
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Bronchoscopy, a test to view the airways& t: F: p$ Y1 K/ w! [
Chest CT scan+ Q2 H* r* K8 Y$ R3 i
Chest x-ray/ b' i7 ?5 p) N, h
Complete blood count
7 X7 R; ?/ X2 O$ r5 jLung biopsy
0 p' g! e9 ]# R' `) \Lung scan
7 Z" O) o7 L* f6 ZPulmonary arteriography5 \2 p. l# z( b! T$ w
Sputum culture and smear
, I- m8 o5 [$ VTest to see if the blood clots normally, such as PT or PTT |