SEARCH Articles Figures Tables 1.7- Dimethylxanthine (caffeine metabolite A Extraction of Caffeine Acetaminophen + butalbital ± caffeine Acetaminophen + butalbital ± caffeine Axocet, Phrenilin Forte) Acetaminophen + butalbital ± caffeine Fioricet, Medigesic, Repan Acute Effects of Caffeine Adenosine Caffeine Adenosine caffeine interactions Adenosine receptors caffeine, effects Agitation caffeine Alcohol , consider Caffeine Alcohol caffeine Alkaloids caffeine Allopurinol 4- Caffeine Analgesic nephropathy caffeine + aspirin Aspirin + butalbital, caffeine, codeine Aspirin treatment with caffeine Atenolol Caffeine Azoles Caffeine Benzocaine Caffeine Benzodiazepines 4- Caffeine Beta blockers Caffeine Bioavailability Caffeine Biosynthesis of Caffeine Bitter orange Caffeine Bradycardia caffeine, effect CAMP caffeine CHEMICAL COMPOUNDS caffeine CNS stimulants amphetamine, cocaine and caffeine CYP1A2, caffeine metabolism Caffein Caffeinated beverages Caffeine 1.3.7- trimethyl-2,6-dioxopurine 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