Can knee pain and noise after sitting be serious?

You may be suffering from a blood clot in your leg as a result of the accident. Injury to the leg causes blood to pool and form a clot causing swelling, redness, and pain. This is serious because the clot may break free and travel to other parts of your body. Elevate your leg above your heart, apply ice, and take a break. When the pain persists or becomes severe, go to the nearest hospital immediately.

If painkillers aren't working surgery may be necessary . .Also , physical therapy may help. Herniated discs can be caused by poor posture , obesity, or heavy lifting..... Strengthening core muscles can help prevent future herniation. But to conclude anything between medication or surgery, need to evaluate reports

I think you got a scratch on your knee when you fell. It's okay to have pain, redness, and swelling around your wound. This is because the fall has injured your skin. The solution is to gently clean the wound using soap and water, apply an antibiotic ointment, and cover it with an adhesive bandage. Always change the dressing daily until it heals. Opening up is necessary if the pain worsens or you notice any infections with symptoms like pus, light redness, or warmth. 

Trauma can potentially trigger or exacerbate rheumatoid arthritis. By increasing inflammation or immune system response.

Joint pain after unprote­cted sex is concerning. It could signal a se­xually transmitted infection (STI). Common symptoms include discomfort, swe­lling, and stiffness in the joints. Getting te­sted for STIs is crucial to identify any potential infe­ctions. Moving forward, practice safe sex consiste­ntly. 

Sharp pain in the heel should be treated by visiting an orthopedic specialist. This pain may result from different conditions, including plantar fasciitis Achilles tendonits stress fractures. Although OTC pain relievers may provide short-term relief, it is always advisable to consult a doctor for an accurate diagnosis and treatment plan.