 [ Symptoms ] my 6 year old is surgery is postponed because the lab says it can not draw blood from her rolling veins  what now [ Disease ] sure most energy drinks including red bull contain mainly caffeine and some vitamins so there should not be any issue of drugfood interaction with hydrocodone acetaminophen in fact the caffeine may help offset the drowsiness usually caused by taking a narcotic pain reliever do not overdo the red bull or other energy drinks either though some experts suggest adults should not consume more than 400 milligrams of caffeine per day check out this handy webmd chart that compares the amount of caffeine and other ingredients in various energy drinks best to you many over the counter analgesics contain small doses of caffeine anyway in fact whatever power drink you chose may synergize with the pain relief aspect of your medication while helping to eliminate some of the drowsiness associated with narcotic pain medications just be mindful of dosages on both ends a good rule of thumb is that you can always add more later but you can not take away if you have had too much basically start small and work your way up