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.
It is also ordered to help monitor the effectiveness of treatment for any conditions found to be affecting a person's osmolality. Serum osmolality is primarily ordered to investigate hyponatremia. Hyponatremia may be due to sodium loss through the urine or to increased fluid in the bloodstream.