Why do I have face itching recently?

You could have tonsillitis, a condition in which your tonsils become infected. It may be uneasy for you if your throat is red, swollen, and has small orange bumps and patches. Tonsillitis can be caused by viruses or bacteria. In more detail, the patient should follow the three instructions: drinking a lot of non-alcoholic fluids, sleeping more, and using over-the-counter analgesic medication that your healthcare provider recommended. The practice of gargling warm salty water will definitely sooth the pain as well. By that time the infection has not subsided; it can mean that you should see a physician for more care.

It might be that your underarms have become darker due to some other reason. So, it is best to consult an experienced dermatologist. The dermatologist may examine your condition to know the exact cause of it and determine a suitable treatment accordingly. 

Back acne occurs when hair follicles become blocked with oil and dead skin cells, leading to bumps on the skin. This condition can be worsened by sweating or wearing tight clothes. The itchiness is often due to irritation caused by the acne. To manage back acne, try using a mild cleanser and avoid wearing tight clothing. Use oil-free lotions and refrain from scratching your skin, this can worsen the condition.