Lice Treatment: Examples of Over-the-Counter Products. Lice Treatment: Examples of Over-the-Counter Products. Lice Treatment: Examples of Over-the-Counter Products. There are quite a few over-the-counter products that claim to kill lice or their eggs (nits). Permethrin 1% creme rinse (such as Nix). Pyrethrins and piperonyl butoxide shampoo (such as RID).
In general, if someone has an increased serum osmolality, it is due to either decreased water in the blood or increased solutes. If the person has decreased serum osmolality, it is due to increased fluid levels.
serum osmolality a measure of the number of dissolved particles per unit of water in serum. In a solution, the fewer the particles of solute in proportion to the number of units of water (solvent), the less concentrated the solution.