I just have to say I am soooo glad to see long lists from other people! I sometimes feel like the number of prescriptions I have for someone who is 30 is ridiculous.
I have about five for diabetes - insulin, pump cartridges and infusion sets, test strips and ketone test strips. I also get long-acting insulin and pen needles once every few years in case of pump failure.
I have about five for allergies - an EpiPen, nasal spray and antihistamine eye drops, plus a long acting antihistamine, plus Benadryl (also an antihistamine, but not prescription).
I have two for asthma - long- and short-acting inhalers, though the long-acting one I don't always have.
I take Bisoprolol for an arrhythmia.
I also just got prescribed Crestor for cholesterol but am trying to avoid taking this one and therefore haven't filled it yet.
So that's ... 14 in total, although probably only half of those are things I take regularly year-round, the rest are only taken sometimes as needed.
As a kid I had diabetes, asthma, and allergies so the prescriptions were a bit different and a bit fewer, but five or six is probably a good guess.