There are numerous reasons for pigmentation on the face, such as sun damage, hormonal changes or trauma. It is treatable if diagnosed by a dermatologist correctly. I recommend that you see a dermatologist who deals with hyperpigmentation. They can advise you on the best treatment option, whether it is topical creams, chemical peels or lasers, based on the severity of your condition.
 

It looks like you have bad case of ringworm which did not respond to the OTC medicines. I suggest that as soon as possible you see a dermatologist who specializes in fungal infections. They may give you oral antifungal medicine and topical treatment to improve the result. Seek urgent medical care since untreated ringworm can cause problems.
 

It advisable to wait 4 weeks after the vaccination to avoid any infection.
 

Vitamin B12 and vitamin D deficiency lead to hair loss. It is advised that you see a dermatologist and an endocrinologist for a thorough examination and treatment.
 

Soft and weak skin can signal the presence of multiple diseases such as Vitamin deficiencies and connective tissue disorders. I suggest you pay a visit to a good dermatologist who will examine your skin and conduct tests to come up with a diagnosis of the underlying cause. From the diagnosis, the dermatologist can propose suitable treatment to increase the health of your skin.
 

The optimum medicine to treat vitiligo relies on the severity and extent of condition. It is essential to visit a dermatologist for a precise diagnosis and treatment plan. Topical corticosteroids, calcineurin inhibitors, and phototherapy are among the most frequently used treatments. A dermatologist can offer personalized treatment options and advice for dealing with vitiligo.
 

Face acne can be addressed with over-the-counter topical remedies containing benzoyl peroxide or salicylic acid, and prescription medicines such as topical retinoids or oral antibiotics. It is recommended to visit a dermatologist who deals with skin diseases, so as to find out the best treatment for the type of acne you have.
 

Acne is one of the most prevalent skin problems, and it can be treated in several ways. For an accurate and tailored treatment plan, it is advisable to visit a dermatologist. They prescribe topical medications, oral antibiotics, or other treatments based on the degree and type of acne. I recommend you to make an appointment with a dermatologist so that you can discuss your case properly and get the best treatment for your condition.
 

The itchy scrotum and black spots may be signs of a fungal infection or a skin disease. I recommend you to see a dermatologist for proper diagnosis and treatment. Do not delay any further as this situation could get worse if it is not treated.
 

Pigmentation is triggered by different factors such as genetics, sun exposure, and hormonal changes. A balanced diet rich in antioxidants and drinking a lot of water may help improve skin health. You should consult a dermatologist for proper diagnosis and treatment. They may prescribe an appropriate medication and recommend certain lifestyle changes to control pigmentation.
 

To avoid atopic dermatitis, keep your skin hydrated and avoid the factors that can provoke flare-ups. Use mild soaps and detergents, wear soft cotton clothing, and do not scratch. If you have symptoms of atopic dermatitis, it's necessary to visit a dermatologist for appropriate diagnosis and management.
 

Acne scars and pigmentation can be treated with topical creams, chemical peels, and laser therapy, depending on the severity of the condition. You must consult a dermatologist for correct diagnosis and treatment plan.

These may be symptoms of hives, insect bites, or allergic reactions. It is imperative to consult a dermatologist to get an accurate diagnosis and treatment. They can determine skin problems and subsequently, provide treatment options.

You should see a dermatologist to get additional examinations and treatment and specify the reason for your hair color change. The reason could be any of the factors, such as genetics, hormonal change, or unknown medical conditions. 

It appears as if you have solar urticaria, which is a state of allergic conditions from the light. The symptoms you are suffering from are related to this condition and they can be so-called red bumps and itchiness. I suggest you look for a dermatologist who deals with the disease of solar urticaria.