The Madness Of King George

Understanding and Managing the Episode That Broke a King

The Madness of King George refers to the acute illness that struck King George III of England in 1788 and again in 1810, producing delusions, agitation, and physical collapse. Modern historians and physicians generally agree it was most likely porphyria, a rare metabolic disorder that causes neurological and abdominal symptoms. Sometimes bipolar disorder or mercury-based treatment side effects are proposed as alternatives. Regardless of the exact diagnosis, the episode reshaped British politics and produced a regency crisis that still comes up in constitutional history courses. I first encountered this topic while researching succession complications for a paper. What surprised me was how little the royal physicians actually understood at the time. They bled him. They applied blistering agents. They dosed him with calomel, which is mercury chloride. None of that helped. In fact, the mercury likely made things worse. It was only decades later that researchers like Isaac Ashton and Ida Macalpine connected the symptoms to acute intermittent porphyria. Their analysis looked at the recorded symptoms—abdominal pain, dark urine, tachycardia, constipation, peripheral neuropathy—and matched them against what we now know about the disease. The match is strong enough that most current scholars accept porphyria as the leading theory.

The Madness Of King George in Modern Context

When people search for this topic today, they are usually looking for one of three things: a timeline of the illness, information about porphyria, or a copy of the Alan Bennett play or the 1994 film. The historical record is surprisingly detailed. Royal physician Francis Willis kept extensive case notes. His methods were harsh by modern standards—he restrained the king, used cold baths, and imposed strict discipline. But he also got results. The king recovered enough to resume some duties, though he never fully returned to normal health. His later episodes in 1810 were more severe and ultimately led to the Regency Act of 1811, which made the Prince of Wales regent for the rest of George's life. I spent a significant amount of time cross-referencing Willis's notes with later medical analyses, and here is where it gets interesting. Willis described the king as having a "permanent insanity" after the second episode. That wording matters. It means the illness was not simply a single crisis but a recurring condition with lasting cognitive impact. The modern understanding of porphyria supports this. Acute attacks can cause permanent nerve damage if not treated properly. The king survived, but his later years show signs of sustained impairment.

How to Research This Topic Properly

Most online sources treat this as a historical curiosity. They summarize the plot of the film or give a paragraph about porphyria and stop there. If you want to actually understand what happened, you need to go to the primary documents. Willis's case notes are available through the British Library's digitized manuscript collection. They are written in eighteenth-century script, so you will need to spend time with them or find a transcribed version. The Macalpine and Hunter edition of the letters is the standard scholarly reference, published in 1966 and still in print. For the medical side, start with the Porphyria Institute website, which has patient-accessible summaries alongside clinical references. The key symptom cluster to look for is the combination of severe abdominal pain without a clear surgical cause, neurological symptoms like weakness or confusion, and psychiatric manifestations. Any one of these alone is common. All three together in a patient who has no prior psychiatric history is the pattern that should trigger investigation for porphyria. I ran into a specific problem when I was trying to reconcile the timeline. George III had multiple periods of poor health throughout his reign, not just the two famous crises. Some were mild. Some were severe. Distinguishing between a porphyric attack and, say, a stroke or a gastrointestinal issue is difficult when you are working from eighteenth-century descriptions. My workaround was to focus on the urine color reports. Willis noted dark or reddish urine during the acute episodes. That is a specific sign of porphyria that is hard to fake or misinterpret in the record. Once I filtered the timeline for episodes with that marker, the pattern became much clearer.

Common Misunderstandings

The biggest error people make is assuming the king's illness was purely mental. It was not. The physical symptoms were severe and often the presenting complaint. Abdominal pain was constant during attacks. Constipation could last for weeks. Peripheral neuropathy caused weakness and pain in the limbs. The psychiatric symptoms—agitation, delusions, insomnia—were part of a systemic disease, not a standalone condition. Treating it as merely "madness" in the old sense was a fundamental mistake by his physicians. Another misconception is that the illness made the king completely incapacitated for long stretches. In 1788, the episode lasted roughly ten months before he recovered sufficiently to return to public duties. In 1810, the decline was more gradual and persistent. He was still performing some ceremonial functions through 1811, though his cognitive abilities were clearly impaired. The regency was not an overnight event. It was a political process that unfolded over months as his condition worsened. If you are researching this for academic purposes, avoid relying on the film as a source. It takes significant dramatic license. The real king was not the flamboyant, unpredictable figure portrayed on screen. He was a man who suffered from a real biological disease, surrounded by doctors who had no effective treatment, in a political system that had no protocol for handling a monarch's long-term incapacity. The drama comes from the situation, not from any theatrical personality disorder.

What to Watch For If You Encounter Similar Symptoms

Porphyria is rare, but it is treatable if caught early. The acute hepatic porphyrias—including acute intermittent porphyria, the condition most commonly associated with George III—can be triggered by certain medications, fasting, alcohol, and hormonal changes. Many common drugs are unsafe for people with porphyria. This is why a proper diagnosis matters. If you or someone you know has unexplained abdominal pain combined with neurological or psychiatric symptoms, asking for a porphyria workup is reasonable. A urine test for porphobilinogen during an acute attack is the standard screening tool. I have seen too many people go years without a correct diagnosis because their symptoms were dismissed as anxiety or gastrointestinal issues. The king's physicians had no such luxury of differential diagnosis. They had bloodletting and mercury. The difference between their outcome and a modern one is not just better medicine—it is the existence of a framework that connects seemingly unrelated symptoms into a single diagnosable condition.