In some cats, further signs may develop that are strongly suggestive of asthma — in these cats there is a very sudden onset
of severe breathing difficulty and wheezing, with cats often having great difficulty in catching their breath.
According to the RSPCA, extreme features like short, flat faces can lead to
severe breathing difficulties, heatstroke and fainting among dogs.
«Prospective dog owners need to consider that these dogs can suffer a range of health issues throughout their lives from eye ulcers to painful spine abnormalities and
severe breathing difficulties that can result in otherwise preventable surgery.»
This is a severe allergic reaction characterized by sudden collapse and
severe breathing difficulties.