What is a primary therapeutic use of scopolamine?

Scopolamine is primarily known for its effectiveness in preventing motion sickness. It works by blocking the action of acetylcholine at muscarinic receptors in the vestibular system and the autonomic nervous system, which helps to reduce the symptoms associated with motion sickness, such as nausea and vomiting. The use of scopolamine in this context is well-established, especially for individuals who experience symptoms when traveling by car, boat, or plane.

While scopolamine has some applications in other areas, such as in treating certain gastrointestinal conditions, its primary therapeutic role is in preventing motion sickness. This specificity makes it a preferred option for individuals who are susceptible to motion-induced nausea. The other options listed do not align with the primary therapeutic indications for scopolamine, making motion sickness prevention the most appropriate and recognized use of this anticholinergic agent.