Premature White Hair: Causes and Treatments at 21

This can cause redness, swelling, and bleeding. The needle can carry bacteria that may cause infection. Gently clean the area with soap and water, apply an antiseptic, and use a bandage to cover it. If you notice any listed symptoms such as increased pain, spreading redness, or pus, try to get medical assistance to get rid of it.

White patches on your shaft are around sometimes because of a fungal infection called candidiasis or a disorder like lichen planus. These can show up after sex, especially if unprotected. These can be cured by taking medications ordered by a doctor after proper diagnosis. 

Hyperhidrosis is a condition when you perspire a lot more than normal. It can occur on your hands, feet, under your armpits, or even all over your body. It could be the result of overactive sweat glands or triggered by anxiety, heat, or spicy food. Besides that, there are several things you can do to manage it such as antiperspirants, medications, Botox injections, or in severe cases, surgery. 

You may have a condition named acanthosis nigricans. It can bring about thick, dark, smelly skin in places such as the underarms, and neck. Scratching is another symptom that is often associated with this condition. Acanthosis nigricans is related to the fact that one is overweight or has diabetes. Adopting a healthier lifestyle is necessary to eat a well-balanced diet and exercise can help improve this condition.