Hydroxychloroquine sulfate is an antimalarial drug classified under the 4-aminoquinoline class. It is a derivative of chloroquine, a compound discovered in the 1930s for malaria treatment. It differs slightly in its molecular structure, which reduces its toxicity compared to chloroquine, making it a safer alternative for long-term use. Typically administered in oral tablet form, it... https://thelifesciencesmagazine.com/hydroxychloroquine-sulfate/