please maintain your hygiene. you don't have reoccrance but it's repeated infection. reoccrance means development of same infection whereas re infection means development of some other infection on a healthy part. use same medicine and take care of your hygiene.
Next Steps
wash your eyes frequently with fresh and clean water. whenever you touch your eyes wash your hands.keep your belongings e.g. towel,pillow,hanky etc separate andalso don't use anybody's belongings. never shake hand with a person who is already having c onjuntivitis.intrain or bus while wiping sweat don't touch your eyes, better keep some paper napkins and use and throw them without touching your eyes.