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.
The watery eye. Eyes water to keep the cornea moist and healthy; tears are produced by the lacrimal glands located outside the upper eyelid and along the inner surface of the lower eyelid. They are spread across the eye by blinking and carried along the lower edges of the eyelids to small channels which lead to the tear ducts.