If you surf from Olivine City u will get to cianwood town. Chuck, gym leader of fighting type!
Cianwood City
near cianwood city
it is cianwood city
Cianwood city after defeating chuck
go to cianwood pharmacy hope that helped
Ice path leads to blackthorn city it is east from mahogany town. Its not in cianwood city.
You can go around the Whirl Islands, which is nearby Cianwood City.
you go back to olivine
ALL you have to do is teach your Pokemon surf. then you walk to the beach left of olivine city and surf through the whirl islands and you'll be at cianwood?
Ask the pharmasist in cianwood city to give you one then give it to the lighthouse Pokemon
surf to cianwood city and talk to the pharmacisthe will give you the medicine
You get it at the Cianwood City Pharmacy. It is used to Cure The Lighthouse Pokemon Ampharos. This answer is right-on. the pharmacy in Cianwood City in the Johto Region, and it is used to cure the ailling lighthouse Pokemon ampharos.