Lupus can cause inflammation of the lungs, a condition called acute
It can also be caused by infection.
Pneumonitis is diagnosed from a chest x-ray, blood & sputum
Symptoms are shortness of breath, a dry cough, fever, chest pain
& a blood-tinged sputum.
If it is caused by infection, antibiotics are used.
If there is no trace of infection, it is treated with steroids or
cytotoxics & can be completely reversible.