Your neighbor is on a different type of steroid than The ones discussed here,
treating a cold at the first sign of symptoms with a steroid can greatly reduce the risk of asthma-related emergencies and trips to the hospital.
Researchers say major asthma attacks in children are usually triggered by respiratory infections, such as the common cold or the flu, and children under age 5 are five times as likely to be hospitalized as a result of asthma complications.
The reason steroids would have any effect on a sore throat at all is because they have potent anti-inflammatory properties. Something that seems to be overlooked by the study which involved over 700 people is this: steroids suppress the immune system. That's right, they'll knock that inflammation in the back of your throat out, but they'll also knock out your immunity. Sounds like a great way to get over a cold doesn't it?
in summary ,there are many types of steroids out there that do a specific job.