Phloroglucinol solution is widely used in medical applications as an antispasmodic agent, particularly for relieving smooth muscle spasms in the gastrointestinal and biliary tracts. It is often administered to alleviate symptoms of conditions like irritable bowel syndrome and renal colic. In laboratory settings, it serves as a reagent for detecting lignin and pentoses in plant tissues, aiding in biochemical and histological studies. Additionally, it is utilized in organic synthesis as a building block for producing pharmaceuticals, dyes, and resins due to its trihydroxy benzene structure. Its ability to form complexes with various compounds also makes it valuable in analytical chemistry for identifying and quantifying specific substances.