The reason is that your body is still very sensitized from weeks, months or years of fueling the feelings by thinking the wrong way. These symptoms are the effects of adrenaline and although they feel uncomfortable, they are merely trivial. Nothing to worry about. Sometimes you need a quick fix. Some medications do take the edge off, there's no denying that.
Some drugs also sedate and have side effects too.
This is purely a personal choice between you and your health care provider. It is a choice though We work with people taking medications and those without medications too. You have given in to your fears and ignored your power. You own the strength to go through this the correct way. No more avoiding.