The effects and efficacy of scopolamine are as follows: 1. It can treat infectious toxic shock and is effective in fulminant epidemic meningomyelitis and toxic bacillary dysentery when combined with antimicrobial agents. 2. It is also effective in relieving smooth muscle spasm in vascular diseases such as cerebral thrombosis, cerebral embolism, cerebral vascular spasm, and vascular neuropathic headache. 4. It is effective in neuropathic headache, trigeminal neuralgia, sciatica, and can be used appropriately in the treatment of vertigo.