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.
Acetaminophen (Tylenol) is generally safe to use during pregnancy, although you should consult your doctor first. You can take as much as two extra-strength tablets (500 mg each) every four hours up to four times a day. Maximum consumption per day should be limited to 4,000 mg or less. You can also take acetaminophen to treat other body aches and pains during pregnancy. But, if your headache persists despite maximum doses of acetaminophen, contact your doctor immediately as your headaches may be a sign of something more serious.