Does an injection or vaccine break my fast?
No, most injections and vaccines do not break your fast. Major fiqh councils and most contemporary scholars say that non-nutritional injections into the muscle, skin or vein, including vaccines and insulin, don't break the fast. Injections that feed the body, like nutritional drips, are different.
Why most injections are fine
The fast is broken by eating, drinking, and things that do the same job, such as reaching the stomach through the mouth or nose. A vaccine or a muscle injection doesn't go into the stomach and doesn't feed you. That's why bodies like the Islamic Fiqh Academy and many scholars across the four schools (Hanafi, Maliki, Shafi'i, Hanbali) treat them as not breaking the fast. A small minority of scholars are more cautious about any injection into a vein and prefer having it at night.
Common examples
- Vaccines (flu, COVID-19, travel jabs): don't break the fast, according to most scholars. On whether they're halal at all, see Are vaccines halal for Muslims?
- Insulin: doesn't break the fast. But if you have diabetes, your doctor should decide whether you fast at all. See Do I have to fast during Ramadan if I have diabetes?
- Painkiller, antibiotic or B12 injections: don't break it, as they aren't nutrition.
- Local anaesthetic at the dentist: doesn't break it. Just don't swallow water or blood.
- Blood tests: taking a small amount of blood doesn't break the fast.
- Nutritional drips (glucose or feeding through a vein): these do break the fast for most scholars, because they replace food.
Timing and being sensible
If you can easily book a vaccine for after iftar, many people prefer that, because it avoids the question entirely and lets you drink water if you feel unwell afterwards. But if your appointment is in the daytime, you don't need to cancel or rearrange important medical care. If you feel very ill after an injection, you may break your fast and make the day up later.
Ask your doctor, then your imam
Your doctor knows the medicine; a local scholar knows the fiqh. If you're unsure whether a specific treatment is nutritional, ask. Never delay or skip treatment out of worry about your fast. Islam puts your health first, and the rules for those who are ill are built around that. For other everyday questions, see Does swallowing my spit break my fast?
- Vaccines and most injections don't break the fast.
- Insulin and blood tests don't break it either.
- Nutritional drips do break it for most scholars.
- Follow your doctor's advice; health comes first.
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