RT Journal Article SR Electronic T1 BET 2: Caffeine as an analgesic adjunct in tension-type headache and migraine JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 655 OP 656 DO 10.1136/emermed-2021-211807.3 VO 38 IS 8 A1 Jack Whiting A1 Peter Kilgour YR 2021 UL http://emj.bmj.com/content/38/8/655.abstract AB A short-cut review of the literature was carried out to examine the benefits of caffeine as an analgesic adjunct in tension-type and migraine-type headache. Six papers were identified as suitable for inclusion using the reported search strategy. The author, date and country of publication, patient group studied, study type, relevant outcomes, results and study weaknesses of the best papers are tabulated. It is concluded that caffeine provides effective analgesia as an adjunctive treatment in the management of secondary headache syndromes.