Knee Lateral Collateral Ligament Injury. Lateral collateral ligament (LCL) is a thin set of tissues present on the outer side of the knee, connecting the thighbone (femur) to the fibula (side bone of lower leg). It provides stability as well as limits the sidewise rotation of the knee.
OTC Pain Relief: Understanding Acetaminophen. Youâve probably taken acetaminophen at one time or another for fever or pain relief. You may know acetaminophen as the active ingredient in Tylenol and many other over-the-counter (OTC) products, including cold medications. When used as directed, taking acetaminophen is generally safe and effective. But it can be harmful if itâs not taken correctly.
Tylenolâs active ingredient is acetaminophen (or paracetamol). It is mainly used for pain and fever. Tylenol is a very old medication and is safe when taken at the recommended doses. Higher doses can be toxic for the liver,and it can be very harmful when combined with alcohol. Tylenol is also under different names in combination with other medication such as Tylenol Cold, Tylenol Sinus and Tylenol PM.