Before addressing the remedy that I would like to recommend in a mental health care situation, it is important to know the definition of anxiety, so we are all clear that I am not attempting to diagnose or cure people of any condition. I am not a doctor and if you are ever unsure of anything I post in this section of the website, please feel free to consult your doctor and do some of your own research. I am only posting about remedies that I have personal experience with, and believe to be safe.
According to Wikipedia, 'Anxiety (also called angst or worry) is a psychological and physiological state characterized by somaticemotionalcognitive, andbehavioral components.[2] It is the displeasing feeling of fear and concern [3] The root meaning of the word anxiety is 'to vex or trouble'; in either presence or absence of psychological stress, anxiety can create feelings of fear, worry, uneasiness, and dread.[4] Anxiety is considered to be a normal reaction to a stressor. It may help an individual to deal with a demanding situation by prompting them to cope with it. When anxiety becomes excessive, it may fall under the classification of an anxiety disorder.[5]

That being said, a stress and anxiety remedy that my mom turned me on to that I absolutely swear by is called Gabba Calm. According to Drugstore.com 'GABA Calm™ combines three of the main inhibitory neurotransmitters, plus N-acetyl L-tyrosine,, a precursor of norepinephrine.* The sublingual form is absorbed directly into the bloodstream, via the blood vessels under the tongue and in the cheeks, allowing for quick entry into the system.'. To put it in layman's terms...Its like smoking pot but minus the munchies and hallucinations. It just chills you out. If you're not stressed and you take one, you probably wont notice any difference at all. But if you're getting anxious, nervous, angry or stressed and you take one you will certainly notice a difference within 15-30minutes. It comes in a sub-lingual and as a daily tablet. I would recommend the tablet for people with overall anxiety issues, and the sub-lingual for crisis prevention or crisis management. If you just have occasional anxiety responses that you have difficulty managing on your own, then I would recommend just using the sub-lingual on an as needed basis. Either way, I would recommend testing your response to this remedy on a day that you do not have to work as Gabba Calm may possibly cause you to feel a little sleepy. 

Gabba Calm can be found in most health food or vitamin stores.