Have you seen a doctor? I dont know about sjw but I wouldnt take anything without my doc saying it was safe. There are a lot of wonderful drugs out there that can help you with anxiety and/or panic. I am taking buspar which is specifically for anxiety but there are other ones too. Let me know if I can help.

Thankyou kansas,
i saw a doctor today and he pescribed me with beta blockers
(propranolol hydrochloride) so i'll see how they do...

I am sure since you know the name you should also be knowing that most of the medicines for depression contain the same constituents as in this herb.
There are many other such herbs available and it has been established beyond doubt that these herbs have more potency as well as lesser side effects than others.
The million dollar question is how to prepare decoctions without previous experience and guidance.Best way would be to locate some non to greedyperson around you to help you are do some research.
You will find useful information on http://nccam.Nih.Gov/ for the johnwart herb.
Preparation of decotion guidance can be found on www.Herbsandcures.Com

get well soon.