Islamic Teaching and Cancer Care

There is no single Islamic view on most of what follows. A page that pretended otherwise would be doing patients a disservice. Fatwa bodies differ. Schools of law differ. Sunni and Shia authorities differ on some questions. Where the sources agree, this page says so. Where they do not, it says that too. Then the right next step is your own scholar, together with your oncology team.

One thing is uniform across every body consulted. Euthanasia and assisted suicide are excluded.

Most people assume it is. The classical answer is more open than that.

The hadith basis is well known: "there is no disease that Allah has created, except that He also has created its treatment." It establishes that seeking treatment is legitimate. It does not conflict with trust in God. What it does not establish is an obligation.

The International Islamic Fiqh Academy's 1992 resolution sets out four levels rather than one rule. Treatment is obligatory where going without it risks self-destruction. The same holds where it risks loss of an organ, disability, or spread of disease to others. It is recommended where it prevents bodily weakness without severe consequences. It is permitted in other circumstances. And it is discouraged where the treatment is risky, with serious complications "worse than the disease."

There is a published narrative review of Islamic juridical rulings on life support. It records that "the majority of jurists hold the opinion that seeking treatment is simply permissible." There is "no sin on a person that chooses not to seek treatment." The schools differ in emphasis. Hanafi and Maliki authorities generally treat it as permissible. Shafi'i treats it as recommended. Hanbali views vary. But no school makes it a blanket obligation.

That matters for someone weighing a fourth line of chemotherapy against the time it would cost them. Declining is not a failure of faith. The Fiqh Academy's own framework makes obligation depend on the clinical facts.

The same resolution is clear that hopelessness does not end the duty of care. Staff should "continue to look after him, and alleviate his psychological and physical sufferings" whatever the prognosis.

Several major bodies permit it. The Fiqh Council of North America permits withholding or withdrawing "life support systems, respirators, or even feeding tubes." The condition is that experts determine the treatment "will only prolong the dying process but not help them recover." It states plainly that "withholding or withdrawing treatment is entirely different than euthanasia, or mercy killing, which is forbidden in Islam." Egypt's Dar al-Ifta issued a similar ruling in 2006. The Islamic Fiqh Council in Makkah ruled in 2015. It permitted stopping treatment in one case. Three specialist doctors must agree that it harms the patient and does not improve the condition. It insisted on continued feeding and pain relief.

Three qualifications are worth stating plainly.

First, withdrawing feels harder than withholding, and scholars have said so. A review of sixteen fatwas found little deliberate distinction between the two in the rulings themselves. But the practical advice that follows is real. Discuss prognosis and limits before a treatment is started. Stopping it later is the harder conversation.

Second, artificial nutrition is the sharpest disagreement, not ventilation. Some scholars treat feeding through an existing tube as feeding, not treatment. On that view, withdrawing it would be starving the patient. Others treat tube feeding as medical treatment, and permit withdrawal in a terminal patient. The Fiqh Council of North America takes the second view. Guidance from the Islamic Medical Association of North America and the 2015 Makkah resolution take the first. This is unresolved. A family facing the question needs their own scholar, not a general rule.

Third, not every jurist permits withdrawal at all. Brain death itself is contested. Sunni bodies largely accept neurological criteria. The Muslim World League's council called brain death "unstable life" rather than death. Several senior Shia authorities reject the criterion.

The most detailed institutional guidance runs through six clinical scenarios. It permits forgoing resuscitation in one case. Three competent doctors must agree it would be futile. That includes late-stage cancer. Survey data from Muslim physicians found that most consider their faith to allow do-not-resuscitate orders.

One caution for patients in the United States or the United Kingdom. That guidance treats futility as a doctor's determination. It can override the family's wishes, and even the patient's. That sits in direct tension with shared decision-making as practiced here. If someone quotes it to you, it is a real ruling. But it is not the only one, and it does not describe how your hospital works.

Opioid pain relief is permitted. The reasoning is necessity. Published fatwa guidance permits morphine for severe pain under three conditions: no other permissible substance relieves it, dosing follows medical prescription, and no greater harm such as addiction results. That guidance describes this as the strongest scholarly opinion. The Islamic Code of Medical Ethics permits stronger pain medication even where death may follow, provided the intention is not to kill.

The more common problem in practice is not permission. It is alertness. A systematic review of Muslim communities' preferences found that "some Muslim patients may decline medications that can cause sedation to preserve the ability to perform daily prayers or recite the Shahada at the time of death." It quoted a patient directly: "We, as Muslims, want to be alert for as long as possible in order to read our Shahada." The same review found real variation in whether people see pain as spiritually significant. It warns against generalising.

This is a scheduling conversation, not a refusal. Palliative teams can often adjust timing so someone is alert for prayer, or for a family visit. Ask.

Deep palliative sedation is an area of active debate. No fatwa body appears to have issued a ruling devoted to it. Clinicians should not assume either permission or prohibition.

The Qur'an exempts the sick. They may make up an equal number of days instead. Those who can only fast with extreme difficulty may feed a person in need. Which applies to a particular cancer patient is a question for their own scholar. The texts do not settle it for you.

On the mechanics, the Fiqh Academy's 1997 resolution is unusually useful. Several things do not break the fast. Eye, ear and nasal drops. Tablets under the tongue. Dental treatment, oxygen, creams and patches. Biopsies, and gastroscopy without added liquids. And, importantly, "subcutaneous, intramuscular, or intravenous injections," with an explicit exception for infusions and nutritious fluids.

The consequence for cancer care is direct. An injected drug does not break the fast. Intravenous fluids and intravenous nutrition do. Most cytotoxic chemotherapy is given with hydration and premedication, so it falls on the fast-breaking side.

Clinically, published guidance discourages fasting for some people. That includes those with metastatic or particularly aggressive disease. It also includes those at risk of tumor lysis syndrome, and those taking nephrotoxic drugs or drugs likely to cause vomiting or diarrhea. The same guidance notes that fewer than half of patients ask their oncologist about fasting at all. Ask. The evidence base is thin, and the answer depends on your specific treatment.

The governing principle is necessity. The general rule is that a medically necessary substance is treated differently from a food or a drink. Fatwa guidance on medically necessary intoxicating substances holds them permissible where the dose is correct and no permissible alternative exists. Where you have a choice, ask the pharmacist whether another formulation exists. Where you do not, the necessity principle is what the sources rest on. Do not stop a prescribed medicine while you work this out.

Ask for a same-gender clinician for examinations where that matters to you. Ask about space and timing for prayer. Ask about praying seated or lying down if you cannot stand. Ask whether the hospital has an imam, or an arrangement with a local mosque. A general chaplain may be able to arrange one even if they cannot fill the role themselves.

Families should also raise expectations after death early. Washing, shrouding and rapid burial are the norm. Autopsy and cremation are generally objected to. Paperwork delays are the usual obstacle. Telling the hospital in advance is far easier than negotiating it in the same hour as a death.

Most of this page is about rulings. This part is not. If you decide to fast while on treatment, the risk is a physical one, and it can build quietly over a long summer day.

• Call 911 or go to an emergency department if the person fasting becomes confused, cannot be roused properly, or has a seizure. Muscle cramps or spasms with a very low urine output need the same response, because they can be signs of tumor lysis syndrome.
• Break the fast and call your oncology team the same day if you are passing very little urine or it has turned dark amber, you feel dizzy or your heart is racing when you stand, or vomiting and diarrhoea mean nothing is staying down.
• Call your oncology team within a day or two if you are planning to fast and have not yet checked it against your regimen, particularly if you are on drugs that affect the kidneys or that commonly cause vomiting.

Breaking a fast to protect your health is not a failure. The Qur'anic exemption for the sick exists for exactly this. The days can be made up, or fed for, later.

• MedlinePlus — Dehydration
• National Cancer Institute — Faith and Spirituality in Cancer Care
• National Cancer Institute — Chemotherapy to Treat Cancer
• StatPearls (NCBI Bookshelf) — Tumor Lysis Syndrome
• International Islamic Fiqh Academy — Resolution No. 67 (5/7), Medical Treatments (1992)
• International Islamic Fiqh Academy — Resolution No. 93 (1/10), Invalidators of Fasting in Medical Treatments (1997)
• Chamsi-Pasha & Albar et al., "When can Muslims withdraw or withhold life support? A narrative review of Islamic juridical rulings" (PMC7144300)
• Fiqh Council of North America — Withdrawal of Life Sustaining Care