Keloid scars are marks that are raised and dark because of the excessive collagen. These scars can be highly annoying for people. Utilization of silicone gel or sheets will assist in the flattening and bleaching of the scars. Besides, the application of bio-oil can be even more effective in enhancing the look. Hence, the most important thing is the time and patience to stick to the treatment to be able to see the effects of it. 

Sounds more like a case of chronic fungal infection, but itching and the patches are common symptoms. Better visit the dermatologist, who will be able to tell for sure what kind of treatment is proper for this case. They will recommend you a course of special antifungal creams and oral medicine

After taking fever medicine, it usually happens that a person feels to be hot. Chickenpox is a virus that causes the manifestation of itchiness all around the body with red spots that turn into blisters. Fever, headache, and tiredness are the most common symptoms. Always remember to drink plenty of fluids to keep your body hydrated. Calamine lotion is useful in alleviating itching. Plenty of rest is essential. 

Herpe­s is a common virus. It causes itchy, painful sores. The­se blisters often appe­ar around your mouth or private parts. You can get it through close contact. He­rpes may seem bad, but doctors can give­ you antiviral medicine. Using protection during se­x helps prevent spre­ading it too. Good hygiene habits are also ke­y. 

Jellyfish stings are common and can leave scars, swelling, and itching even after the pain subsides. Applying antihistamine creams can help with itching and oral antihistamines are recommended for swelling. If symptoms persist, a local methylprednisolone injection may be considered. It's best to avoid swimming and running until the scars heal to prevent further irritation.

This could be a case of dermatitis which is a skin condition caused by such things as allergies, irritants, or infections. To make this disease go away, try not to get in contact with any irritant, wear loose clothes as well as the right detergent, and apply mild soap. The use of a sensitive skin moisturizer can soothe your skin, as well, and be the ending part.

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.

Please provide more details for a proper diagnosis or you can visit a dermatologist

You have a dark mark left after a cold sore under your nose. A herpes simplex virus causes a cold sore. The sore is a part of the healing process, but it can leave behind a dark spot. This is the usual case. To help it fade, you can try using a cream with ingredients like vitamin C or kojic acid. Sunscreen use is always the first and essential skincare routine. With time, it should get better. 

You have a fungus infection of the head of the penis. Fungal infections occur in hot, moist areas. The signs of redness, itching as well as an unusual discharge. To get rid of it, the area should be kept clean and dry, loose clothing should be worn and antifungal cream should be used.

Neither of these treatments is recommended for children under the age of 18. Chemical peels and laser treatments are not permanent skin whitening treatments. These treatments can help to reduce the appearance of dark spots, but they will not permanently lighten the skin.