Final answer:
Brand names for hyoscyamine include Levsin, Hyospaz, and Symax.
Step-by-step explanation:
Some brand names for hyoscyamine, which is an anticholinergic/antispasmodic drug, include Levsin, Hyospaz, and Symax. These medications are commonly prescribed to treat conditions such as irritable bowel syndrome and urinary bladder spasms. Hyoscyamine works by blocking the action of acetylcholine, a neurotransmitter in the body that is involved in various processes including smooth muscle contractions.