Hi, Taraji_T,
The reason you experienced a hypo when drinking alcohol, my friend, is because your liver is spending so much time dealing with the 'toxin' known as alcohol that it has little chance to cover anything else.
You are MORE LIKELY to suffer hypos if you drink spirits, rather than wine(s) or beer(s). This is because with spirits, more of the sugar is converted into alcohol than with wines and beers.
Normally, when it is detected that your blood sugar (glucose) level is falling the alpha cells (islets of Langerhans) of your pancreas begin to produce a hormone called glucagon. This stimulates your liver to 'give up' some of its stores of glycogen ... the way it stores glucose. As your liver is so much dealing with the alcohol content, this process becomes inhibited. i.e. it doesn't work as efficiently.
As you are taking a basal insulin ... long-acting insulin ... this will continue to work in lowering your blood sugar (glucose) level. Although Lantus is reputed to not have a drastic blood sugar lowering effect ... it's designed to keep your blood sugar levels on an 'even keel' for extended periods of time ... you are MORE LIKELY to experience a 'low', accorrding to the following webpage is approximately 6 hours after injecting:
https://www.diabetesnet.com/about-diabetes/insulin/insulin-action-time
This does NOT, however, mean that you need to 'give up' drinking. You just need to be more aware of what can happen. (By the way, once your liver has finished dealing with the alcohol, you are MORE LIKELY to have a 'rebound' where your blood sugar levels will rise higher than they might otherwise have been.)
Be well, Taraji_T.
Lots of Love and Light.
Mick
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P.S. Please don't be offended, or alarmed, at the 'x's'. It's merely a logo, of sorts, that I've used for the past 40-odd years.