A plug of wax in the ear produces hum, loss of balance and difficulty hearing. The excess wax does not let the ear balance your internal pressure which can generate a strong pain.
To remove ear wax can make use of any of these home remedies or a combination of both.
Olive oil against earache for excess wax
To warm two teaspoons of olive oil to a temperature similar to the bottle of milk for a baby. Test the temperature on your wrist and if this just above body temperature to apply two or three drops in the ear canal trying to penetrate well inside and then cover lightly with a bit of cotton.