A doctor has shed light on several warning signs of hearing loss and a 72-hour 'medical emergency' that needs addressing straight away. Dr Suraj Kukadia, also known as Dr Sooj, took to TikTok to share his insights and explained the key difference between treatable and permanent issues. " If you want to protect your hearing, you need to know this red flag for hearing loss ," Dr Sooj told his followers. " Now, there are two main types of hearing loss. There's conductive, and there's sensorineural.