Medicine and Healthcare in Abbasid Society

Between 750 and 1258, the Abbasid caliphate connected Iraq with provincial centers across the Middle East. People seeking care in its early imperial core relied on household attendants, private practitioners, learned physicians and, in some cities, hospitals. Baghdad became a major setting for this work; al-Razi’s medical writings and reports about later hospitals show how medical knowledge and provision moved beyond the caliphal court.

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Physicians, translators and professional practice

Physicians built reputations through study, the ability to interpret medical writing and experience with patients. In the ninth century, Hunayn ibn Ishaq, a Christian physician and translator, prepared a Syriac version of Galen’s Greek treatise On the Usefulness of the Parts, which explains the structure and functions of body parts. His nephew Hubaysh translated that Syriac text into Arabic, and Hunayn then revised Hubaysh’s Arabic version. Galen also wrote a short Treatise on Bones for Beginners, an introductory anatomy guide for learners. These works show how medical teaching combined translation with organized descriptions of the body.

A later report describes a more formal check on medical practice in Baghdad. Thabit ibn Sinan, a tenth-century physician and chronicler, wrote that after he learned a man had died from a physician’s wrong treatment, Caliph al-Muqtadir (r. 908–932) ordered physicians to be examined by Thabit’s father, Sinan. Those found competent received a certificate specifying the branches of medicine they could practice. Thabit gives the number of physicians in the two parts of Baghdad as more than 860, not counting those exempted because of their reputation or service to the ruler. This was a documented qualification order for physicians practicing in Baghdad.

Al-Razi’s books and prescriptions

Abu Bakr al-Razi, known in Latin Europe as Rhazes, wrote several influential medical works. His Book on Medicine for Mansur was dedicated in 903 to a local Iranian prince who governed Rayy, near modern Tehran. The concise handbook arranged medical subjects for a named patron. His larger Comprehensive Book on Medicine (al-Hawi) took a different form: al-Razi collected readings from earlier authorities together with his interpretations and clinical cases in working notes. After his death around 925, students arranged those notes, which a vizier had acquired from al-Razi’s sister. A National Library of Medicine manuscript copied in 1094 preserves only the section on gastrointestinal complaints, a later witness to the work rather than an original notebook.

Al-Razi’s treatise on smallpox and measles also connects diagnosis with the practical work of feeding a patient. In its chapter on smallpox diet, he recommends barley water and adjusts additions to the person’s condition. For moderate fever and constipation he suggests sweetening it; for intense fever with loose bowels, he adds sour pomegranate juice; for restlessness, he adds poppy. The directions ask an attendant to prepare and adapt a drink, not merely to identify a disease. They reflect humoral medicine, which explained illness as an imbalance among blood, phlegm, yellow bile and black bile. In this approach, diet was adjusted to a patient’s symptoms and bodily condition in an effort to restore balance; al-Razi’s recipe ties its additions to fever, bowel condition and restlessness.

Household care and hospital resources

Care also depended on food, warmth, clothing and someone to prepare them. Tenth-century physician Thabit ibn Sinan recounts that an administrator withheld the portion of an endowment assigned to a Baghdad hospital. Patients consequently lacked fuel, food, clothing and other necessities. Vizier Ali ibn Isa ordered the administrator to pay what was due and specified blankets, clothing, fuel, food and continuing care for the sick. A waqf, or charitable endowment, set aside property so its income could support a designated purpose; the report shows how hospital care depended on that income reaching the people who managed supplies.

The same account describes medical visits beyond hospital wards. Ali ibn Isa asked Sinan to appoint doctors who would visit prisoners every day, bringing medicines and suitable diets to people who could not seek treatment themselves. He also ordered physicians equipped with drugs to travel through al-Sawad, the rural district around Baghdad, stay in each place as long as necessary and continue onward. When a medical team reached the town of Sura, whose residents were mostly Jewish, Sinan asked how to allocate care. The vizier directed that Muslims be treated first and other residents receive supplies only if medicines remained. The account records both an organized effort to reach people outside Baghdad and a religious distinction in how scarce supplies were assigned.

Hospitals under different rulers

The Adudi hospital in Baghdad was founded in 982 by Adud al-Dawla, a Buyid ruler from an Iranian dynasty that held power in Iraq while an Abbasid caliph remained in the city. Ibn Marzuban, a judge trained in religious law and natural sciences, later served as the hospital’s superintendent. His biographical account presents the appointment as probably primarily administrative, an oversight post alongside his judicial office.