Next ear drops are requested Vioform 2g Prednisolone 4g Isopropanol 94g Aqua AD 200 ml

Vioform or Clioquinol and prednisolone are insoluble in the isopropanol water mixture. So a suspension must be prepared. The presence of approximately 50% isopropanol indicates the direction of Hydroxypropylcellulose as a thickening agent.

I suspect that this is a veterinary application. However, it is desirable to point out that use in a perforated eardrum is appropriate.