 alcohol don t worry it s only one little sip anyone who has diabetes and drinks alcohol especially on an empty stomach will certainly feels its crashing affect blood sugar may go high and then may go very low this is especially harmful for individuals with t1d one thing is for sure it s possible that even one little sip will affect blood sugar it can also impact your insulin and medication regime it is also worth noting that whenever blood sugar goes up or down it will most likely be associated with mood swings ironically symptoms of severe hypoglycemia low blood sugar mimics drunkenness people may stagger slur words or even pass out although this is scary here are some resources for parents to conquer this topic and keep your teenager safe american diabetes association being a teen with diabetes diabetes and alcohol is your teen lying to you diabetes and alcohol do the two mix  alcohol and diabetes 7 facts about diabetes and alcohol diabetes smoking drugs teens parties  not alcohol marijuana and type 1 diabetes beer booze guide   