You simply cannot rely on information given online, even if it seems well-meaning or someone's had a similar pain. You just don't know what's causing it. Get it diagnosed properly.
When I had Runner's Knee I did a little self-diagnosis by Google before seeing a professional, and had read an article in Runners' World comparing RK to a similar problem called ITBS.
By Google and RW I had ITBS. Absolutely without a doubt. The symptoms were opposite, and mine matched ITBS.
Both the physio and podiatrist whom I saw diagnosed Runners' Knee. The treatments are different. I'm well and running again now, after having correctly treated my Runner's Knee. I don't know what would have happened to it if I'd treated for ITBS.
Always see a professional, especially when it's as bad as you're describing.
4/10/13 2:32 P
I've had pain in one particular spot in my left calf for over 1.5 years, and it persistent regardless of whether or not I'm sticking to my exercise regimen. Sometimes it randomly hurts while I'm walking upstairs. Two days ago, I went for a run and did not stretch well afterwards. My left calf began hurting that night, but the pain wasn't so bad. The following day (yesterday), I had worse pain during a Les Mills BodyCombat class but I pushed through. Yesterday and today, the pain is so bad that I limp while walking. It hurts worse after sitting for a period of time and seems to loosen up if I stand up and walk. Does anyone know what this is and how to fix it? Thank you for your help!