http://www.nlm.nih.gov/medlineplus/ency/article/003073.htm
, s! C9 O% j' ~( ~Coughing up bloodEmail this page to a friendShare on facebookShare on twitterBookmark & SharePrinter-friendly version* M5 y* ^/ T( j! y8 k. \4 k! Q
Coughing up blood is the spitting up of blood or bloody mucus from the lungs and throat (respiratory tract)." H3 I) E, g6 K3 t" a; H6 k
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Hemoptysis is the medical term for coughing up blood from the respiratory tract." K2 J/ w/ q* e* ?
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Considerations) l" ?- m' R) d
3 u- f" w2 L1 h: q6 R# b" O. P) ~Coughing up blood is not the same as bleeding from the mouth, throat, or gastrointestinal tract.
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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.( y$ t! W# C/ ?
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Causes
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, @( ?" b5 P, k9 oA number of conditions, diseases, and medical tests may make you cough up blood, including:
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Blood clot in the lung5 y1 R# I! W7 J+ o3 E
Breathing blood into the lungs (pulmonary aspiration)+ m6 f1 W1 F# V
Bronchoscopy with biopsy
& R# n. G8 y/ h$ u5 ZBronchiectasis
3 W- s( s0 k7 T; mBronchitis1 A6 z4 F/ k# ^/ _) E' k/ }( _
Cancer
/ P' U8 w, i# p$ ^ }! NCystic fibrosis9 b* S' g6 J1 B# N! {$ N" u. ^
Inflammation of the blood vessels in the lung (vasculitis)
3 I, ]$ N/ `' X2 G; R9 bInjury to the arteries of the lungs
* M+ X" P( J& W M" b7 x0 wIrritation of the throat from violent coughing (small amounts of blood)) O b" j6 O8 I3 r/ P
Pneumonia or other lung infections
- d1 G# _4 e( z5 VPulmonary edema
" B1 X5 m# ~" GSystemic lupus erythematosus
, y+ v, S6 J9 e; tTuberculosis
$ J+ z: b+ T7 GHome Care
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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.
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( ?# I) n3 T, [4 nIt 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.- ^7 J! n w" a A$ q( c7 G
`8 S% u+ r* X2 T, LWhen to Contact a Medical Professional$ u8 D3 V' u% {9 G
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Get medical help right away if you cough up blood and have:
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A cough that produces more than a few teaspoons of blood! B! a: D' w4 S& Y5 ~- S
Blood in your urine or stools
. M) i+ Q: Y3 J3 DChest pain
! ]0 g% N- H1 p8 x- X6 d! IDizziness
4 t- S; y3 @9 X8 c5 tFever
; ]* l( I i) V: X& |- H4 ?Light-headedness
, V/ F a. t4 \; d3 FSevere shortness of breath
% ^" ]) y j f- O: E! oWhat to Expect at Your Office Visit) n# }* I5 h/ l* e ?9 x: I1 k Y
0 y: g7 h- E, r6 P* D& W, K# ZIn 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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Are you coughing up large amounts of blood (massive hemoptysis)?; J) X2 \& _7 b- X- E
Can you see blood when you cough up something?
* c! @' R2 I. J# e4 D6 _8 sHow many times have you coughed up blood?
, S$ |, [, s6 A J4 w& u' ]Is there blood-streaked mucus (phlegm)? y$ {# j3 t8 G5 i+ ?1 O
Time pattern
- S2 \0 c# B! A( K" ~+ ^1 MDid it begin suddenly?5 ?' n1 n! {' I3 G7 z' s
Has it increased recently?
& F7 E* s2 b; ]& vFor how many weeks has the cough lasted?
# `4 x+ q' u2 X( l3 L/ P! qIs the cough worse at night? F# m ^% [# d' f D: _: m% z0 h
What other symptoms do you have?
# ]. G. h. T) h# H" HThe doctor will do a complete physical exam and check your chest and lungs. Tests that may be done include:3 I2 B8 K/ Q8 Z* |
6 i6 ?0 R( u! s/ H( |- nBronchoscopy, a test to view the airways
h% D [2 L- t9 vChest CT scan5 Z% ]- K D% M* I# X
Chest x-ray9 f: M" v9 {4 K7 {5 I0 @) j! A
Complete blood count
7 F* M i' o) FLung biopsy
|# V) q" ~2 n4 h: v0 mLung scan
! O: Y' X3 V6 }! s; l W6 q& \Pulmonary arteriography5 ?* W0 r# A) `8 U5 B- q
Sputum culture and smear
$ s; G4 A- G- t' G! B5 j! ]. mTest to see if the blood clots normally, such as PT or PTT |
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