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.
Patients with toxic alcohol intoxications can present with an increase in serum osmolality alone, increased serum osmolality and high-anion-gap acidosis, or increased-anion-gap acidosis alone. Rare cases in which both serum osmolality and anion gap are within reference ranges also might occur.