Why do my knees hurt in the morning?Why do my knees hurt in the morning?

Just curious.

Answers from our Doctors

fwolfe's picture
Dr. Frederick Wolfe says:

Pain and stiffness are related. Often after a long rest or prolonged sitting, people had difficulty moving about. Stiffness is often caused by a little swelling in mildly inflamed regions of the knee, usually as a result of a small degree of osteoarthritis. It generally wears off quickly as we move around. About half of the 4,000 people in the NDB with hip or knee osteoarthritis have stiffness that lasts 30 minutes or less. In the Table below, the relation between stiffness and pain is shown. Pain is measured on a 0-10 scale, with higher values representing more pain.

AM Stiffness | mean
No am stiffness | 2.25
Less than 30 | 3.24
30 minutes to 1 | 4.86
1-2 hr | 5.80
2-4 hr | 6.68
4-8 hr | 7.02
>8 hr | 7.07
Total | 4.53

Fred Wolfe, MD

Answered on: Friday, June 11, 2010 - 04:29


Commenting: Guest
08/27/2010 - 09:54

I have had both my knees replaced due to OA, I still have stiffness when raising from a laying or sitting position & pain. I this now due to my RA??

Commenting: Guest
06/16/2014 - 04:50

If the surgery was several years ago, you could be experiencing a regrowth of inflamed joint tissue (synovium) around the replaced joint, you may be experiencing loosening of the implanted hardware in the knees.

Commenting: Guest
10/31/2014 - 04:46

Most of the people suffer from this kind of problem including my uncle john. When he wake up early in the morning he found himself painful to walk and unable to stretch his legs too. I am happy to visit your site, as i came to know the important facts behind it and very helpful to me.

Commenting: Guest
01/14/2015 - 08:58

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