Theodor "Theo" Karl Ludwig Gilbert Morell (22 July 1886 – 26 May 1948) was a German medical doctor known for acting as Adolf Hitler's personal physician.

Hitler granted Morell high awards, enabling the latter to become a multi-millionaire through business deals with the Nazi government, made possible by his status.

[8][9] Some historians have attempted to explain this by citing the reputation he had gained in Germany for success in treating syphilis, along with Hitler's own (speculated) fears of the disease, which he associated closely with Jews.

– Albert Speer, Inside the Third Reich (1969)When Hitler was troubled with grogginess in the morning, Morell would inject him with a solution of water mixed with a substance from several small, gold-foiled packets, which he called "Vitamultin".

Morell kept a medical diary of the drugs, tonics, vitamins, and other substances he administered to Hitler, usually by injection (up to 20 times per day) or in pill form.

Among the compounds, in alphabetical order, were:[9][dubious – discuss] An almost complete listing of the drugs used by Morell, wrote historian Hugh Trevor-Roper, was compiled after the war from his meticulous daily records and unlikely to have been exaggerated.

Despite his lack of training, Morrell did treat Hitler (who had an obsessive fear of VD) with Arsenobenzol, designated "606", salvarsan, neosalvarsan with bismuth and iodine salts.

When Reinhard Heydrich, who was serving as Reich Protector of Bohemia and Moravia – the rump left of Czechoslovakia after Hitler annexed the Sudetenland – was the victim of an assassination attempt in May 1942, Morell was one of the doctors brought in by Heinrich Himmler to treat the badly-wounded SS man.

Heinrich Himmler's chief doctor, Karl Gebhardt, ignored his recommendation to use antibiotics;[citation needed] gangrene set in, and Heydrich died a week later.

When members of Hitler's inner circle were interviewed for the book The Bunker, some claimed Morell owned a significant share in a company fraudulently marketing a product as penicillin.

Suspecting that he knew the cause of the jaundice, Giesing deliberately dosed himself with some of the "Dr. Koester's Anti-Gas Pills", which Morell had Hitler taking in large numbers every day, and found that they had mildly harmful effects.

The personal notes of Morell describe how he treated Hitler over the years, including notations such as, "injection as always", and, "Eukodal", an early German trade name for the opioid oxycodone.

[22] Morell was one of the occupants of the Führerbunker, located in the garden of the Reich Chancellery, once Hitler and his entourage relocated there from the Wolf's Lair in Rastenburg in East Prussia.

[31] On 20 April 1945, Hitler ordered Morell, Albert Bormann, Admiral Karl-Jesko von Puttkamer, Dr. Hugo Blaschke, secretaries Johanna Wolf, Christa Schroeder, and several others to leave the bunker and Berlin by aircraft for the Obersalzberg.

[35] Morell was able to use his relationship with Hitler to sell his "Vitamultin" to the German Labor Front and his delousing product "Rußla powder" to the Wehrmacht.