"respiratory problem" is a correct and commonly used phrase in written English.
It refers to any issue or difficulty related to breathing, such as asthma, bronchitis, or pneumonia. Example: "The patient was admitted to the hospital due to a severe respiratory problem, which was later diagnosed as pneumonia."
He was admitted to the hospital on Monday with what Mr. Gunnell said was a respiratory problem.
Somayeh Mehri died this month from a respiratory problem caused by an acid attack by her husband four years ago.
On an atypically cool 60-degree day, Funny Cide showed no hint of the respiratory problem that hurt him in his final two races last year.
Despite the respiratory problem, he walked into hospital and walked out again three days later and went on to make a full recovery.
But even with the respiratory problem he walked into the medical institution and walked out three days later, making a full recovery.
Histoplasmosis generally appears to be a respiratory problem; it is caused by a fungus found mostly in caves and around bird and bat droppings.
Ali was admitted to hospital on Thursday with a respiratory problem – a move that was described at the time as "a precaution".
The measure goes beyond current county policy: residents who present a note from a doctor describing a medical condition, typically a respiratory problem, are now exempted from spraying.
His breathing was often labored despite no evident respiratory problem; an errant nerve in his neck sometimes zapped him into temporary near-paralysis.
It's probably not good for anybody, and it's especially bad for anybody who has a chronic respiratory problem".
(JF) Sonny Rollins' regular headlining appearances at the Festival over the years were due for a special Royal Albert Hall accolade in 2013, until a respiratory problem forced him to pull out.
