Jaysay - I don't want to appear to be nagging you, but if you use any spray toiletries you are risking making your asthma worse.
In todays Mail
Boy, 12, collapsed and died after 'using too much deodorant in an enclosed space' | Mail Online
That boy had a heart defect but the coroner noted that there is a health warning on the cans which applies to ALL users.
In your delicate state of health it isn't wise to risk it.