Generic versions of Prospan Syrup, a drug that dominated the phyto-expectorant market in the 2000s, are again being introduced to the market.

Prospan Syrup, which has been resold by Kwangdong Pharmaceutical since 2012, is the only available 200mL bottle formulation of Prospan, and 7.5mL and bottle formulations of the drug are only available from Kwangdong Pharmaceutical and Youngjin Pharmaceutical. However, 500mL bottle formulations from Ildong Pharmaceutical, Sama Pharm, and Pharmgen Scien are available with reimbursement.

In total, 5 companies are selling ivy leaf dried extracts (dried extract of ivy leaves (extraction solvent, 30% ethanol), the active pharmaceutical ingredient