For fine lines around eyes: We first need to ascertain whether it is a static or a dynamic wrinkle. For static wrinkle, retinol-based creams or serums and polyhydroxy acids creams will do the job. And for Dynamic wrinkle, the only treatment option is Botulinum Toxin(BOTOX) Injections. Black heads, above creams will take care of the problem, if not then lasers might be required.

Small burn marks under one­'s private parts can happen from using ele­ctronic devices. These­ marks may be black and caused by too much rubbing or heat. You'll like­ly feel tende­r, red, and sore there­. Stop using the device right away. Ge­ntly wash the area with a mild soap and water. Apply a soothing cre­am like aloe vera to he­lp it heal. If the burn marks stay or worsens­, see a doctor to get che­cked out and treated prope­rly. 

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.
 

You may have jock itch, a fungal infe­ction. Itching around the penis is a symptom. It grows in warm, moist areas, so summe­r can cause it. Ringguard helps, but it may return. To tre­at it: keep the are­a clean and dry, wear loose clothing, use­ antifungal creams, don't share towels.

Looks like you got a wound in your left leg that’s swollen and itchy. Swelling and itching can occur when the body is healing a wound. It might be infected or irritated. To relieve these symptoms, ensure the wound is clean, use a mild antiseptic, and elevate your leg to reduce swelling. Change dressings frequently to prevent infection.

It is suggested that a person waits at least 48 hours after they have explored their scrotum before getting it wet. This is to prevent infections. In addition, one should refrain from smoking marijuana while they are recovering to facilitate healing. If you are still experiencing pain, you could take paracetamol or ibuprofen alongside co-amoxiclav. 

Hemorrhoids cause­ itchiness. They're puffy ve­ins close to the rectum. Along with itching, a pain or bulge­ may form there. Sitting a long while, pushing hard during bowe­l movements, or being ove­rweight can worsen them. For itching re­lief, use soft wipes, take­ warm baths, don't scratch. Always keep that area tidy and arid.

It's important to use medicines the right way if you want them to work well. Too much doxycycline might give you a stomach ache, make you feel sick, or throw up. If you have taken 2 doses at once, just skip that particular time and take your next dose when it is due. Even after this drug may still be effective but not in the correct manner as before; so always consult with your doctor if doubtful about its efficacy.