Keytruda is given by intravenous (IV) infusion every 3 weeks until disease progression, unacceptable toxicity, or up to 24 months. It is currently a non-preferred brand, specialty medication on standard NPS formularies and carries an average wholesale price (AWP) of $515.79 per day. FDA Safety Update
Tears come from the lacrimal gland. And it's found in the outer part of the upper eye. When excess tears are produced, they drain into small ducts to the nasal cavity. And if you have too many tears to drain, they'll spill out of your eyes. There's an anatomical reason why crying makes your nose run.
Personal Health; When Eyes Have That Sandpaper Grit Feeling. TEARS may seem like simple, salty little drops produced naturally in great profusion when provoked by intense emotion or an irritant in the eye. But tears are neither simple nor simply produced. And for more than 10 million Americans who suffer from dry eye syndrome, tear production is so inadequate or the tears evaporate so quickly that their eyes constantly feel gritty and irritated, as if scratched by sand with every blink.