"Yo, likely have [condition]. I'd prefer to be perscribed [medication] for it. Take a look to confirm my suspicions or if you think something else would be better off for it" is really the most you need to interact with scrip-pushers.

Hypochondriacs would have an issue with that method of interaction, but for most people, it's probably sufficient. "Ear hurts, it burns about eardrum-in depth, probably infected. Gimme a z-pack and I'll be off."