
If you're looking for manga similar to Dr. Ramune Mysterious Disease Specialist, you might like these titles.
Black Jack, a mysterious and brilliant unlicensed surgeon, travels the world performing feats of daring and impossible surgery, saving lives, conducting medical experiments, and charging huge fees for his services. His only companion is Pinoko, who appears to be a small child but is actually an experimental creature Black Jack created out of a tumor. She insists she is his wife, and tries to penetrate the mysteries of his dark past.
For Shinonome Keisuke, high-school student Kotone Tasuku is the only person in the world whom he can communicate with. Once a brilliant surgeon, Shinonome passes away at a young age, only to wander the world as a ghost, a ghost that only Tasuku can see and talk to. When an accident leaves Tasuku’s hot childhood friend Takeuchi Mai’s younger brother severely injured, the only way that he can survive is if Shinonome and Tasuku work together to become the most unusual and possibly talented pair of emergency surgeons the country has ever seen!
No doctor can cure or figure out the cause behind the the illness of Mii’s older brother, except for Dr. Psyche. But this mysterious doctor is perverted and even had a criminal record. Can she really trust him?
The Quincies' Thousand Year Blood War is over, but the embers of turmoil still smolder in the Soul Society. Tokinada Tsunayashiro, elevated to head of his clan after a slew of assassinations take out every other claimant to the title, has a grand plan to create a new Soul King. His dark ambitions soon sow the seeds of a new total war across the realms, but all is not lost. There is one unlikely Soul Reaper who holds the key to defusing the conflict—Shuhei Hisagi, Assistant Captain of the Ninth Company and reporter for the Seireitei Bulletin!