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.
Itâs not a good idea to take it long-term, according to our medical advisors. Tylenol PM contains two medicationsâthe pain reliever acetaminophen and an antihistamine (diphenhydramine) to help with insomnia. High doses of acetaminophen can cause liver damage and the risk increases if you consume alcohol. Possible side effects of diphenhydramine include daytime sleepiness, confusion, constipation, dry mouth, and urinary retention and it can worsen your sleeping problems when taken too often.