I used picmonic, and found I retained the material much better than the material I learned without using it. For each lecture, I would go home and just go through the slides on both the classic audio and then on the creative audio. After about 2 times through the material, I found I had it down. I would recommend it for Pharmacology, Microbiology, and for Biochemistry. Also, they do a good job on many of the tougher areas in Pathology, such as the tumors. However, I find that they are lacking in many areas of pathology and think Pathoma is far superior there. I will say you have to keep up with the cards, just like you would have to keep up with your classes. After a couple passes through, your not going to forget the stuff.
TL😀R, find the drugs/bugs/biochem from your lectures, and then go home and run through the picmonic a couple times.