You are dealing with a problem of a lot of hair falling out, which can be one of those things that worry you. Stress, poor nutrition, or hormonal changes are common causes of your age. It's crucial to consume a healthy and balanced diet packed with vitamins and minerals. Try relaxation techniques like breathing exercises, guided imagery, and yoga to manage stress. Gently using hair products and not tying hairstyles tightly can also be beneficial. 

Such cysts can grow on your neck due to the blockage in the glands. It has been there for an elapsed time and no significant pain has occurred. That is probably nothing to worry about given the duration of its time there and the fact it is asymptomatic. Still, I strongly believe that expert attention from a doctor is needed.

It could be for many reasons, including hormones, stress, genetics and skin care products that can cause acne. It is recommended that you consult with dermatologist to assess your skin and determine the best treatment for your specific needs. In the meantime, maintain a gentle and consistent skincare routine, including cleansing your face twice daily with a mild cleanser and moisturizing with a non-comedogenic moisturizer. Avoid irritating ingredients such as alcohol and fragrances.

Taking acetaminophen and melatonin is usually not a problem. It gets rid of headache and also fever. This way you will avoid being affected by the injury for long since it will quicken your sleep. Even so, you should take the right amount of each medicine. If you have any worries or strange feelings it is best to talk to your doctor or pharmacist first.

The causes of the cold abscess might include a bacterial infection but tuberculosis is the other explanation. The signs can be a painless lump, the fever, and sometimes sweating at night. It is vital to get a thorough examination and treatment from a doctor who may prescribe antibiotics for a bacterial infection or TB specific medications if needed.