Skin, Hair and Nail Problems

I have dark patches on my back how to lighten or clean this y back and tummy dark how to lighten my complexion

Sudden acne at the age of 23. Multiple marks, redness and blackheads too. Very visible acne scars. I have oily skin. I started adapalene treatment in the last 2 weeks, but I see no results. In fact, I'm getting a new pimple/acne everyday on cheeks and forehead predominantly. See pictures for details.

She has developed one lesion on her thigh. It's very itchy followed by pain due to itchiness. Attaching the photo of the lesion. Kindly guide on the same.

I am taking jock itch treatment in groin area after 10 days over my groin skin is became dry and skin peeling happened dead skin falling is it a sign that medicine is working after applying skin also burning for sometime

Whenever there's a sweat in private part area it got fungal infection, male doctor examined gave medicine but not get result I want to show my problem to FEMALE dermatologist I want to know will she examine private part are or will directly give medicine because it needs to examine?

I have so many bumps right now on my face. I take care of my face with double cleaning l, moisturiser and sunscreen. Can someone suggest any medication for this. I will be grateful for that

I have taken three 4th gen tests (ELFA, ECLIA AND CMIA), three hiv antibody tests alongwith HIV RNA Qualitative test for a possible exposure 10-11 years ago from reputed labs such METROPOLIS, ATULYA , THYROCARE and SRL, and all tests came out negative/ not detected. How conclusive and reliable the test results be considered or further tests are required or could these tests be false negative for such an old exposure?

Recently got vampire facial from a professional...it's day 2 after treatment but still the treated area at my cheek looks very red and it doesn't appear as microinjury rather as abrasion ...she was definitely more aggressive over this area and it was paining ...is this normal or will it scar

Does female dermatologist check male person if he has fungal infection on private part area does they examine that area or directly give medicine

Having white spots in my arms. Both arms randomly 7-8 spots . No itching or irritation as such. But spots are there for more than 6 months. . Hairfall. And thin hair along with Seborrheic dermatitis.