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Updated: Oct 5, 2026

Electrophysiological Measurements and Analysis of Nociception in Human Infants
Published on: December 20, 2011
[Oral sugar solutions in pain therapy of neonates and premature infants]
1Abteilung für Kinderheilkunde mit Schwerpunkt Neonatologie, Freie Universität Berlin, Universitätsklinikum Benjamin Franklin, Berlin. bauer@medizin.fu-berlin.de
Insights
Oral sugar solutions effectively manage procedural pain in newborns during blood draws. These sweet solutions offer superior pain relief compared to traditional methods, though not for severe pain.
Area of Science:
- Neonatal care
- Pain management
- Pediatric pharmacology
Context:
- Newborns exhibit heightened sensitivity to pain.
- Procedural pain in neonates can lead to long-term behavioral changes.
- Effective pain management is crucial for neonatal well-being.
Purpose:
- To review the efficacy of oral sugar solutions for procedural pain in neonates.
- To assess the influence of sugars on neonatal pain reactions.
- To evaluate the clinical effectiveness of sugar solutions for pain relief.
Summary:
- Oral sugar solutions (25% sucrose or 30% glucose) reduce pain reactions, crying, and heart rate increases during blood sampling in neonates.
- The analgesic effect is mediated by orotactile and orogustatory stimulation, leading to endorphin release.
- Sugar solutions are more effective than non-nutritive sucking, cuddling, or breastfeeding for procedural pain.
Impact:
- Oral sugar solutions provide effective, non-pharmacological pain relief for common neonatal procedures like blood sampling.
- Further research is needed to establish optimal dosing and safety for repeated administration.
- Findings support the use of sugar solutions as a first-line analgesic for mild to moderate procedural pain in neonates.
Objectives:
We review the efficacy of oral sugar solutions for treating procedural pain in neonates and address the following questions: Do newborns need analgesic therapy for procedural pain during blood sampling? How do sugars influence pain-reactions of neonates? What is the efficacy of sugar solutions in clinical practice?
Methods:
We searched for relevant articles in the PubMed database from 1990 to September 2000.
Results:
Treatment of procedural pain in newborns is desirable because they are more sensitive to pain than adults, they show marked pain reactions during blood sampling and repeated acute pain in the newborn period results in longterm behavioural changes. Oral sugar solutions have been studied for treatment of procedural pain in neonates. Their initial effect is the result of orotactile stimulation by the intraoral fluid. The orogustatory stimulation by the sweet taste prolongs the effect for up to 10 minutes through endorphin release. In randomized-controlled trials oral sugar solutions (2 ml of 25% sucrose or 30% glucose) reduced pain reactions and crying and attenuated the heart rate increase after capillary and venous blood sampling in term and preterm neonates. They are more effective than traditional calming strategies, like cuddling by parents, use of a pacifier, or breast feeding. Yet, sugar solutions provide no adequate analgesia for more severe pain, e.g. during circumcision.
Conclusions:
Sugar solutions effectively relieve procedural pain during blood sampling in neonates. Additional studies are needed to determine the minimal effective dose and the efficacy and side effects of repeated sugar doses in the same patient.
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