It seems like you might have hurt your penis while you got hit by the car door. Pain, swelling, and bruising are not unusual in this case. The glossy skin could be a sign of recovery. Make sure you get some rest, wear loose-fitting clothes, and use ice packs to bring down any swelling. If these symptoms get worse or do not improve it would be best to see a doctor as soon as possible. 

If you're experiencing pain on the inside of your legs that worsens with pressure, it could be due to muscle strain, adductor tendinitis, groin hernia, or nerve impingement. It would be best to consult with a healthcare professional for an evaluation, diagnosis, and appropriate treatment.

Did you consult with neurologist or orthopedist? If not then please do that. They can diagnose the underlying cause of the sciatica and provide appropriate treatment. Some self-care measures such as taking over-the-counter pain relievers, gentle stretching, and hot/cold compresses may also help to get rid of the symptoms. However, these measures should only be used under the guidance of a doctor.

Looks like you're suffering from a lot of backache. Even though Lyrica and Neurontin kinds of drugs are being taken, back pain may worsen, and this may be a brand new problem or the deterioration of what used to be. You have to meet your doctor for a check-up to diagnose the cause of the recurrent pain. Sometimes, it is necessary to change your meds or use additional treatments to reduce the pain as much as possible. 

The redness, swelling, and pain spreading from your foot to your leg and chest could mean the infection is getting worse. It may be the case that bacteria attack cells resulting in a serious health condition called sepsis, characterized by the infection invading the body. This requires immediate attention. The treatment of sepsis consists of antibiotics and other medications to maintain the infection under control. To avoid any complications it is necessary to act quickly.

Probably the effects of osteoporosis are coming out in you. Weak and brittle bones are the reason why it is easier to faint and die. In addition, it can lead to unevolved discomfort in some parts of your body. One of the causes of osteoporosis is aging, not getting enough calcium and vitamin D, or taking some medications. The main components include the introduction of calcium and vitamin D supplements, bone-preserving medicine, and participation in regular activities aimed at enhancing the moisture content of bones.

Your kneecap tendon has healed, which is great! If you feel unsure about walking without support, that's normal. It's important to start slowly and listen to your body. If you experience any discomfort, continue using a knee brace or crutches. As you grow stronger and more stable, gradually reduce your reliance on them.