Metamizole versus placebo for panretinal photocoagulation pain control: a prospective double-masked randomized controlled study.

Rafael Barbosa de AraújoLeandro Cabral ZachariasBreno Marques de AzevedoBeatrice Schmidt GiustiRony Carlos PrettiWalter Y TakahashiMário Luiz Ribeiro Monteiro

Published in: International journal of retina and vitreous (2015)

The use of 1000 mg of metamizole 40 min before PRP significantly reduces the pain associated with the procedure in patients with PDR or VSNDR.

Keyphrases

chronic pain
diabetic retinopathy
double blind
pain management
neuropathic pain
phase iii
open label
phase ii
randomized controlled trial