ephedrine

Ephedrine is a stimulant derived from the plant Ephedra, used medically to treat conditions like nasal congestion and asthma by constricting blood vessels and relaxing airways. It also increases heart rate and blood pressure, which can boost energy and alertness. Due to its stimulating effects, ephedrine has been misused for weight loss and athletic performance enhancement, but these uses carry risks such as increased blood pressure, heart problems, and nervousness. Because of safety concerns, many countries regulate or restrict its availability. When used appropriately under medical supervision, ephedrine can be an effective medication, but misuse can be dangerous.