Sudden hearing loss, like what you've described, is known as sudden sensorineural hearing loss. Common symptoms include hearing a loud buzzing sound and feeling as though your ear is blocked. The exact cause isn't always clear, but it may be related to infections or blood circulation issues in the ear. While there is no known cure, researchers in countries like Japan are exploring stem cell treatments as a potential future option. It's important to prioritize your health and stay in regular contact with your doctor.

Your phenotypes of headaches, gum pain, fear of death, panic attacks, stomach problems, and headaches after eating could be connected. You could have a condition like migraines, anxiety, or a digestive issue. Get a doctor's opinion for the right diagnosis and treatment. In the meantime, try to eat regular meals, manage stress, and get plenty of rest. 

You have tinnitus which is the ringing in the ear and you have chills with shivering too. Tinnitus is caused by many different things like loud noises or stress. The chills could be because of an infection. Get lots of rest, drink enough water, and if necessary go to a doctor for more help.  

Taking 6 neurobion forte pills in one go may seem harmless but actually can prove dangerous. It is possible for the person to experience stomach pain, vomiting, and dizziness after inhaling this drug. This is due to the body becoming overloaded with certain nutrients. In this case, you should drink a lot of water, rest, and consume light foods. It's crucial not to exceed the dosage prescribed by your doctor. If the situation worsens, get in touch with a doctor.

While it's natural to worry, it's unlikely that the small amount of substances from detergents or toothpaste in the water would cause significant harm to your brain. Eating the food grown in the garden is generally safe, as plants can filter out harmful substances. It's encouraging to know that your health reports are okay. Getting a brain MRI and urine test for peace of mind is a proactive step, and it's okay to do. 

Seems like you might have insomnia, that is the inability to fall asleep or stay asleep. If you can’t fall asleep at night this can cause tired eyes that burn all day long. Stress, caffeine and use of screens before bedtime are some common reasons why teenagers suffer from this condition. Establishing a night time routine, avoiding caffeine and switching off the screens before going to bed may help improve your sleeping patterns.