Knees giving way

[Sux2buthen]

Quite boring but my knees are starting to give way at random times. Not both together but it is both.
I'm reluctant to attempt a doc appt as that's really hard at the moment but if it's a doctor worthy thing I will have to try!
I'm 42 and a bit overweight, fairly active.

I had this a couple of years ago with one knee it was really frightening. When I eventually got it looked at after an X-ray showing OA, the Dr. was unable to explain to me what had happened. Now doing physio exercises to promote muscle strengthen. Oh but I’m 60 btw. Try to get a gp appt. Good luck.

Thanks for replying, I forgot I posted but it's just happened again so I remembered.
My knees hurt when it's cold and sometimes at night I can't straighten my legs without very bad pain but it's been a while since that happened.
It's really frustrating