1300-50; < Latin quotÄ«diÄnus, cottÄ«diÄnus daily, equivalent to cottÄ«di(Ä) every day (adv.) (*quot(t)Ä« a locative form akin to quot however many occur, every + diÄ, ablative of diÄs day; cf. meridian) + -Änus -an; replacing Middle English cotidien < Old French < Latin, as above.
My dog is on prednisone and is breathing fast. +1 vote! Yes, that is one of the side effects of prednisone. You have to be careful with this medication - it is very easy to overdose. +1 vote! My dog was just prescribed prednisone and on day 2 started breathing very fast and uncomfortably.
It is unlikely that your shortness of breath, tightness in the chest, and dry cough are related to the prednisone itself. Water retention can be a side effect of prednisone. If you have had a major increase in water retention this could cause your breathing symptoms. It is possible for rheumatoid arthritis to affect the lung and cause breathing symptoms.