From: Ron Hoggan
Subject: Pneumonia
Date: Sun, 01 Nov 1998 17:35:40 -0700

There are a number of lung conditions associated with untreated celiac
disease that would increase susceptibility to pneumonia. Bird fancier's
lung, farmer's lung, sarcoidosis, pulmonary hemosiderosis, and lung
abscesses are frequently associated with celiac disease.  

The weakened immune system in celiac disease may also be a factor.

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Association between celiac disease and lung disease.
Chest 1981 Dec;80(6):715-8 

Tarlo SM, Broder I, Prokipchuk EJ, Peress L, Mintz S
An association has been suggested between celiac disease and diffuse
interstitial lung disease of the hypersensitivity pneumonitis type in
several reports from Europe. The present report consists of a study of 18
North American, biopsy-proved celiac patients, who were compared with an
equal number of control subjects balanced for age, sex, and smoking. The
celiac patients showed no evidence of interstitial lung disease as assessed
by chest roentgenograms and pulmonary function tests. However, a history of
asthma or chronic cough was present in a higher proportion of the celiac
than control subjects. Also the celiac patients showed objective evidence
of airway obstruction, as demonstrated by differences between the two
groups in FEV1 (P less than 0.05) and Vmax 50% and Vmax 25% (P less than
0.01 and less than 0.05, respectively). These results confirm a recent
report questioning whether there is truly a relationship between celiac
disease and interstitial lung disease. Nevertheless, our findings suggest
an association between celiac disease and airway obstruction.