Eprazinone (trade names Eftapan, Isilung, Mucitux) is a mucolytic and bronchospasm relieving drug. It has been marketed in many European countries, but not in the US or United Kingdom.
Indications include acute and chronic bronchitis, cough, rhinitis, and asthma.
Adverse effects include headache, somnolence, vertigo, heartburn, and nausea.