Wet earwax can be caused by water in the external ear canal, oily earwax, otitis externa and other conditions. 1. Water in the external ear canal: If you get water in your ears when bathing, washing your face, or swimming, the earwax may be wet. 2. Oily earwax: Earwax has two traits, dry earwax and wet earwax. Both traits are normal and genetically determined. 3. Otitis externa: it may be accompanied by swelling, burning pain, etc., and there will be pus secretion, which will be discharged with the earwax to form wet earwax. Wet earwax may also be due to other reasons. If there is pain, itching and odor, etc., you should seek medical attention as soon as possible to avoid delay.