You are concerned about the sore that does not heal well and has a black spot. That black spot may be due to necrotic tissue or infection. The wound must remain clean and dry. If it's not healing or you have redness, warmth, or pus, consult a dermatologist to prevent the situation from worsening. 

Your thumb may be inflicted with a blood blister. Blood blisters occur when the blood vessels under the skin are traumatized. They can be painful, and the more you compress them, the more blood will come out. For it to heal, don't scrape it off and try to save it from getting injured more. If it is causing much discomfort, cover it up with a bandage. 

Your problem is itching in the intimate areas, which can be frustrating. Some of the causes of itching could be a skin condition, such as a fungal infection or an allergic reaction to soap or detergent. Using a gentle soap and wearing loose-fitting clothes might help you deal with the itching. Additionally, you can use a lightweight, fragrance-free lotion to calm the skin. However, if the problem persists, it is advisable to consult a dermatologist for more guidance and appropriate therapy.

The condition of acanthosis nigricans is one of the diseases that often become, specifically, darker neck areas of the skin, if that is the case. This can easily occur in the case of mixed-bred factors such as obesity, insulin resistance, or hormonal disturbances. As a result of this, one should maintain a moderate weight, balanced diet, and physical activity. Visit a dermatologist for a detailed examination and proper advice.

You may have developed a skin reaction to the post-exposure prophylaxis tablets. Reddish areas on the glans of the penis may indicate irritation or an allergy. To assist with this, you can use a mild, fragrance-free moisturizer or a hydrocortisone cream to soothe the skin. If the patches do not go away and worsen, consult a dermatologist.

The marks are the result of the body's response to the mosquito's saliva. They may gradually diminish by themselves over time, however, you can also apply over-the-counter creams with ingredients such as hydroquinone or vitamin E that will help in the process. Remember, use sunscreen and cover your skin to avoid more bites.

You may have the furuncle or boil which is a skin disease. This occurs when the bacteria infect either a hair follicle or a gland that produces an oily substance. The boils tend to be painful, red, and swollen. To treat it, apply warm compresses to help it drain, keep the area clean, and avoid squeezing it. If it does not improve, go to a dermatologist for further evaluation.

White hair can happen due to factors like stress, genetics, or lack of nutrients. Sometimes, underlying conditions like thyroid issues can also cause early greying. You may consider visiting a dermatologist, who can guide you on the best treatments and lifestyle changes to manage this problem.

Burns can result in redness, pain, and broken skin. In addition, he can treat this by using ice or cold water to cool the burn, keep it clean, and apply aloe vera or antibiotic ointment to it. Do not wear shoes that are too tight and push the foot to a high position. If the pain gets worse or the skin is already infected, he should see a dermatologist immediately. 

Skin infections often appear on areas like the skin around the ear and the left side of the lips. You may notice redness, swelling, pain, or flare-ups in these spots. These infections are usually caused by bacteria or fungi. To manage the condition, it’s essential to keep the skin clean and dry. Over-the-counter topical medicines can also be used to self-treat fungal infections. If the infection continues, it is better to get the advice of a dermatologist.

 The prime reason for this is mostly the excess oil production on your skin. Stress, hormonal changes, and the fact that you don't clean your face properly can worsen it. To boost your skin, follow these suggestions: wash your face often with a mild cleanser, keep your hands off your face, and eat a balanced diet. 

You may have a fissure. This happens if your bowels are making too much effort when you go to the toilet. It is a kind of cut near your bum. It makes excretion painful and can lead to bleeding. On the other hand, having a hot and red vagina could mean you have an infection. To cure both butt and vagina issues, try increasing your daily water intake; include high-fiber foods in your diet as well. Lastly, visit a medical dermatologist for professional treatment.

You are suffering from a long-term problem with your beard itching, redness, and sticky dandruff. A skin condition seborrheic dermatitis may be the cause. Occasionally, the use of antifungal ointments like clotrimazole can be effective, but if this is not the case, you might want to use an ointment with hydrocortisone to decrease inflammation. Remember to wash and dry the area that is affected as this will help with the symptoms.

It sounds like your mother may be dealing with a complex skin condition, which could be psoriasis or a viral skin infection. Psoriasis often causes red, itchy, and scaly patches, while viral infections can also spread and cause irritation. For the right diagnosis and treatment, it’s best to consult a dermatologist, who can guide you based on her specific symptoms.

White spots on a child’s face can have various causes, including a condition called vitiligo or simple fungal infections. Many cases can be treated effectively, but treatment depends on the exact cause. It’s best to consult a dermatologist, who specializes in skin conditions, for proper diagnosis and treatment options.