Giving babies sugary drinks before immunisations makes them less likely to cry and could help numb pain, research out today suggests.
The solution can act as an analgesic and make youngsters feel more comfortable, experts said.
Researchers from Canada, Australia and Brazil analysed data from babies aged up to one year as part of the study, published online in the journal Archives of Disease in Childhood.
They looked at 14 clinical trials, involving a total of 1,674 injections.
The impact on a child of a solution containing sucrose or glucose, compared to water or no treatment, was assessed.
Infants receiving a glucose solution were 20pc less likely to cry following an injection, results showed.
Sucrose and glucose solutions also led to a 10pc reduction in the proportion of time a baby spent crying.
The babies were only given small amounts of sucrose or glucose -- between a few drops and half a teaspoon.
Researchers said health workers should consider giving youngsters a sugary solution, although the best dose could not be determined from the study.
They concluded: "Infants aged one to 12 months administered sucrose or glucose before immunisation had moderately reduced incidence and duration of crying.
"Healthcare professionals should consider using sucrose or glucose before and during immunisation."