Are there any negative health affects from consuming too much ginseng?

For example those little packets of Korean ginseng tea. What would happen if you drank way too much? What is too much?|||It can be a little speedy so whatever that does to your particular system might not be so hot long term.|||A prolonged erection. It isn't known as "manroot" for no reason.|||there's nothing better when consumed excessive than needed. moderation is always the key.|||too much ginseng has been linked to hairy nipples.