Kenalog (triamcinolone acetonide) is a brand-name drug prescribed for certain inflammatory conditions in adults and some children. It is given as an injection by a healthcare professional.

The powerful prescription-only drug Kenalog suppresses the immune system, dampening the allergic reaction hay fever sufferers experience. Its effects can last months. But the injection was phased ...

Here is everything you need to know about the treatment. The hay fever injection, known as Kenalog, is a corticosteroid that works by suppressing the immune system’s abnormal reactions to pollen.