Teuscher 1989.

Methods	Allocation: randomized by unclear method Controlled: placebo Blinding: not reported Arm: 2‐arm, parallel group Centre: single Study duration: not reported
Participants	Inclusion criteria: not reported Exclusion criteria: not reported Baseline characteristics 36 participants Gender: not reported in abstract Ages: not reported in abstract Number randomized: not reported Number completed: not reported Setting and location: rural hospital, Togo, West Africa
Interventions	Duration of treatment: not reported Follow‐up period: not reported Treatment group (number not reported): not reported Control group (number not reported): placebo not reported Cointerventions/additional analgesia: not reported
Outcomes	Primary: not reported Secondary: not reported
Notes	Unclear from abstract whether the study reported on pain as an outcome as per eligibility criteria.

hr: hour; IM: intramuscular; IV: intravenous; VAS: visual analogue scale; VOC; vaso‐occlusive crisis.