A second major role for substance P is in stimulating another mental malady, nausea.
Respiratory depression, alterations in mental status, nausea, vomiting and constipation/ileus are all known side effects of opioid medication [ 26].
NM presents with variable neurological manifestations such as headache, altered mental state, nausea, and vomiting [ 6, 10, 11].
This syndrome is caused by dilutional hyponatremia (serum sodium, < 125 mEq/L) and is characterized by mental confusion, nausea, vomiting, hypertension, bradycardia, and visual disturbances [ 7].
In addition, methylene blue dye can give rise to rapid short periods of breathing difficulty, while effective adsorption through mouth produces a burning sensation and can cause vomiting, profuse sweating, methemoglobinemia, painful micturition, mental confusion, and nausea [14, 15].
Long-term exposure to methylene chloride can cause headaches, depression, nausea, mental confusion, liver effects, kidney effects, visual disturbances, and cancer in humans.
Well, the NIH's website says, "Meningitis is a bacterial infection of the membranes covering the brain and spinal cord (meninges)." Symptoms include "fever and chills, mental status changes, nausea and vomiting, sensitivity to light, severe headache, and stiff neck".
Symptoms include headaches, nausea, mental hunger, bloating, constipation, increased mucus, skin breakouts, or fatigue.
But for Josie A. (two bouts of shingles and a slipped disk), nothing is worse than the nausea and mental cloud that descends with even the smallest dose of codeine.
