Evidence suggests that it may be used safely for periods of at least up to two years.

It can weaken the bones when used for longer periods of time.

It should not be used for long periods of time or in large amounts.

Short side reins should not be used for long periods of time.

Holy basil might be safe when used for short periods of time, up to four weeks.

Inhaled forms may be used for longer periods of time.

It may be used for extended periods of time without significant side effects.

It may not be needed if you use the steroids only for short periods.

But in most cases the treatment is not used for long enough periods to cause trouble.

Used for many years and nesting periods, they become quite large, sometimes even four feet in diameter.