What are potential side effects of using ephedrine?

Ephedrine is a sympathomimetic drug that stimulates the central nervous system and has been associated with potentially serious cardiovascular side effects. The use of ephedrine can lead to an increase in heart rate, blood pressure, and overall cardiovascular strain, which can elevate the risk of serious conditions such as heart attacks and strokes. These risks are particularly pronounced in individuals with pre-existing heart conditions or those who misuse the drug in high doses.

In contrast, the other options outline effects that are generally not associated with ephedrine. For example, weight gain and fatigue can result from a variety of factors but are not common side effects of ephedrine; this drug is typically used to suppress appetite and may lead to weight loss. Improved sleep and mood are also inconsistent with ephedrine's stimulating properties, which typically lead to increased alertness rather than enhanced sleep quality or mood stability. Finally, while skin rashes and headaches can be side effects of many medications or substances, they do not specifically correlate as primary risks of ephedrine use.

Understanding the serious cardiovascular implications of ephedrine is crucial for any athletic trainer or healthcare provider, especially in scenarios involving performance enhancement or treatment of respiratory conditions.