Management of urticaria: not too complicated, not too simple.

"Conflict of interest Dr. Ferrer is on the scientific advisory board and a speaker for Novartis, and FAES, has served on the scientific advisory board for Genentech, receives research grant from Novartis and has received speaker honorarium from MSD, Novartis, FAES and GSK. Dr Bartra reports have served as consultant to Novartis, Faes Farma, Hal Allergy, had been paid lecture fees by Novartis, Stallergenes, UCB, Thermofisher, Menarini and Chiesi. Dr. Gimenez-Arnau is on the scientific advisory board of Uriach Pharma, Genentech and Novartis, has received research grants supported by Uriach Pharma, Pharma and Novartis and is a speaker for Uriach Pharma, Novartis, Genentech, Menarini, GSK and MSD. Dr. Jauregui has acted as a paid consultant or medical writer for Novartis, FAES farma and Pfizer and has also received speaker honorarium from MSD and FAES farma. Dr. Labrador-Hornillo has acted as a paid consultant for Novartis and Shire having received speaking honorarium from Novarits and Shire having also received research grant from Thermophisher. Dr. Ortiz de Frutos has acted as a paid consultant for Novartis and has received research grants from Astellas and Leo Pharmaceuticals. Dr. Silvestre has acted as a paid consultant for Novartis. Dr. Sastre reports have served as consultant to Thermofisher, MSD, Sanofi, Novartis, Faes Farma, Gennetech, Roche and GSK, have been paid lecture fees by Novartis, GSK, Stallergenes, UCB, Thermofisher; as well as having received grant support from Thermofisher, GSK and ALK-Abello. Dr. Velasco acted as a paid consultant for Novartis. Dr. Valero reports have served as consultant to Faes Farma, Chiesi, Orion Pharma, MSD, Novartis, UCB, Uriach Pharma, GSK, Stallergenes, have been paid lecture fees by Novartis, GSK, Stallergenes, Chiesi, Leti, Thermofisher; as well as having received grant support from Novartis, Faes Farma, Uriach Pharma."

"This work was funded by Novartis. The authors thank Nature Publishing Group Iberoamérica and Marta Pulido, MD, PhD, for editing the manuscript and for editorial assistance."