The cell bodies of the presynaptic neurons of both the parasympathetic and sympathetic systems are located within the central nervous system. These presynaptic autonomic neurons synapse only with postsynaptic autonomic neurons.he cell bodies of the presynaptic neurons of both the parasympathetic and sympathetic systems are located within the central nervous system. These presynaptic autonomic neurons synapse only with postsynaptic autonomic neurons.
Hydrocodone/APAP and Pregnancy Category C. The acetaminophen component of hydrocodone/APAP is usually considered safe for pregnant women (see Tylenol and Pregnancy) . However, the hydrocodone component may not be safe.When given to pregnant hamsters, a single dose of hydrocodone increased the risk of birth defects, including cranial defects.Limited human studies also indicate that hydrocodone may increase the risk of similar birth defects in humans.ydrocodone/APAP and Pregnancy Category C. The acetaminophen component of hydrocodone/APAP is usually considered safe for pregnant women (see Tylenol and Pregnancy) . However, the hydrocodone component may not be safe.
Summary Recommendations: Decongestant nasal sprays include sprays with many different medications. Pseudoephedrine, or Sudafed is a category C drug that constricts the flow of blood to the nasal passages. Loratadine, or Claritin is an antihistamine, and is usually considered safe to take during pregnancy. Saline-only nasal sprays are considered safe during pregnancy. Topical or nasal spray decongestants, such as Afrin, were once thought to be safe for most pregnant women. However, these too work by constricting blood flow to the sinuses, and it is now thought that it can be absorbed systemically.