Why is my body itching with red marks?

You may have molluscum contagiosum, a viral skin infection that causes small bumps with a white or shiny center. These bumps can appear on your face, neck, arms, or other body parts. It spreads through direct contact. Treatment may include creams, but sometimes the bumps go away. Keep the area clean and avoid scratching to prevent spreading it to others.

It is okay to have white or grey hair when you are young. Genetics is one of the main reasons this might happen. Ridiculing someone because of their hair color is not okay. Optionally, there are hair dyes that can even transform a light hair color into a completely different one. 

Based on your symptoms, it may be an infection. Seek medical attention

Pigmentation is not treated quickly. It takes a while for treatments to work. But you can visit a dermatologist and discuss this. Based on your particular condition, he may suggest some alternative treatments that may work for you like chemical peels, laser treatments, topical creams etc. Hope this helps. 

Allergic reactions to antibiotics are a common issue, resulting in itching or welts on the body. It is essential to stop using the antibiotic at once and see a doctor. An allergist or an immunologist is going to be able to diagnose and manage the allergy.

Recurring boils can be cured by maintaining it with proper hygiene. Warm compresses may be used to alleviate the pain and aid in drainage. But if the boils keep coming back, it is recommended that one should visit a dermatologist who can provide antibiotics or other medications to treat them.

Himalaya aloe vera moisturizer and Ponds powder are good, but sometimes our skin needs extra care to glow. A dull complexion can result from not drinking enough water, poor diet, or lack of sleep. Start by drinking more water, eating fruits and vegetables, and getting enough rest. You can also try using a gentle exfoliating scrub once a week to remove dead skin cells and reveal a fresh glow.