Does ephedra have many side effects?

Ephedra at low doses does not do much, but when the herb is taken for long periods and in high doses, the side effects are quite obvious. The side effects include:

-          Skin itchiness

-          Hot flushed skin

-          Extreme irritability and nervousness

-          Dizziness

-          Tremors

-          Headaches

-          Inability to sleep

-          Profuse sweating

-          High body temperate

-          Fast heart rate

When the alkaloid is taken in high doses, it can even cause seizures, heart attack, stroke and even death.