Kindly visit a nearby ENT specialist and get the ear examined. If the ear bud has gone too deep...it could've injured your ear drum as well. Kindly refrain from using any more ear buds. Avoid ear phone usage for a week as well
Next Steps
Visit an ENT specialist for examination
Health Tips
1)Keep your ear dry. Don't use any drops.
2)Avoid water from entering the ear while taking a shower. You can place a piece of cotton outside the ear canal and remove if after you're done taking a shower.