Neither of those is a classic remedy for anxiety, though nat mur is used when depression or anxiety is a result of some specific trauma, which is unusual in most anxiety sufferers -- ours just comes from nowhere. Are you seeing a
homeopathic physician? Because if you are, just do what he says, he will change remedies as you go through the healing period. But there are no guarantees it will work. Homeopathy is generally trial and error.