Nitrosun is a very strong sedative and can cause severe dependence. It is generally not used for anxiety problem. There are much better and simpler drugs available for anxiety problem. Most importantly, Social Anxiety problem is better cured with behavioral therapy. Medications are not the mainstay of management, but therapies. Medicines can give you Acute relief but they may not cure it.
Next Steps
Kindly visit a nearby Psychiatrist and discuss about behavioral therapies. Do not take nitrosun for anxiety problem. It is very sedative and very addictive.