Hurt my knee a couple weeks ago at work got down on my knee to get something and had a sharp pain go thru the right side of my knee. now i feel pressure and pain and sometimes stiffness?

Sprain : Bending over and putting weight on the knee would not be expected to cause permanent injury to tissues of knee in a young female. Rest, ace bandage, & warm soaks should assist gradual improvement over next few weeks. Absent these positive changes a physician encounter might be in order. If swelling or unexpected catching of the knee during mobility occurs then a vist is definitely indicated.

Evaluation required: Possible tendon/ligament/meniscus damage or even bursitis or arthritis. Evaluation by rheumatologist or orthopedic indicated.