Below are some site and apps I use on a regular basis in my practice. There is no sponsorship or any sort of paid endorsement here.

Costs money, around $80 a year for subscription, but I was paying for this even before I was an attending.
Fun fact: the Chinese characters mean “hot disease” AKA fever.






Going with ImmGen is the CD Antigens app. It gives essentially the same information but in a more narrative way. Instead if immune cells as the starting point, it starts with the CD antigen. Between ImmGen and this app, you can make a reasoned prediction about how a new drug may affect immune cells (in the absence of more concrete clinical data).

A quick-lookup app for drugs that cause QT prolongation.