He needs to have an injection into a vein – will that affect his fast?

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Check below answers in case you are looking for other related questions:
They put him under anaesthetic when he was fasting, then make him inhale something to wake him up
Using suppositories does not invalidate the fast

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Related Answers:
He was told that having an injection breaks the fast so he broke his fast and made it up later on. What should he do?
Types of asthma medication and the ruling on taking them during the day in Ramadaan
Are saline solutions, vitamin injections and intravenous injections regarded as breaking the fast?
They put him under anaesthetic when he was fasting, then make him inhale something to wake him up
Using suppositories does not invalidate the fast

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