What is the hard black, white, red thing on back?

You are having alopecia areata a disease that causes bald spots on the beard. The situation is not life-threatening but it can be quite annoying. In this case, a topical steroid ointment application that diminishes the inflammation in those areas will be helpful. Furthermore, the use of biotin supplements is likely to help hair regrowth as well. 

 A big lump with a tiny pale spot on your bottom lip could happen for differe­nt causes. Sometimes, it could be­ a harmless sore, a pimple, or an alle­rgic response. Howeve­r, if it does not vanish or keeps growing, it is be­st to have a health specialist look just to be­ safe. .

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. 

PIGMENTATION can have many causes. See a dermatologist. Avoid the sun. Use sunscreen. Use skin lightening creams carefully...

Cats can scratch, and it happens. You've cleaned it properly, which is great. However, keep an eye out for signs of infection, like redness, swelling, warmth, or increasing pain near the scratch. If you notice any of these, see a doctor right away.

Before­ putting a needle in your body, disinfe­cting the skin area is crucial. It preve­nts germs from entering, which could cause­ infections. Signs of infection may include re­dness, swelling, pain, and feve­r. So, always clean the skin first when ge­tting an injection. Using surgical spirit kills germs on the surface­. 

You have a recurrent fungal infection in your lower body. Warm and humid conditions, such as excessive sweating, are the possible causes of fungal infections. Symptoms are characterized by redness, itching, and a rash. To help, ensure the area is dry and clean, wear breathable clothes, and apply antifungal creams. Also, strictly follow the given directions for the cream to notice the improvement.