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. 2008 Jul;106(1):58-65.
doi: 10.1016/j.tripleo.2007.11.008. Epub 2008 Mar 10.

Effects of antidepressants and benzodiazepines on stimulated salivary flow rate and biochemistry composition of the saliva

Patrícia Del Vigna de Almeida  1 , Ana Maria Trindade Grégio, João Armando Brancher, Sérgio Aparecido Ignácio, Maria Angela Naval Machado, Antônio Adilson Soares de Lima, Luciana Reis Azevedo
Affiliations

Effects of antidepressants and benzodiazepines on stimulated salivary flow rate and biochemistry composition of the saliva

Patrícia Del Vigna de Almeida et al. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2008 Jul.

Abstract

Objectives: To evaluate the effect of psychotropics on stimulated salivary flow rate (SSFR), total proteins, urea and calcium concentration, alpha-amylase activity, pH, saliva buffer capacity (SBC), and the prevalence of xerostomia in psychotropic users and its relationship with low SSFR and/or hyposalivation.

Study design: Thirty-three subjects were allocated to 4 groups: I (control): II (psychotropic users); III (subjects of group II using only selective serotonin reuptake inhibitors [SSRIs]); and IV (subjects of group II using SSRIs at recommended initial dose). The SBC was obtained by titrimetry and salivary composition by colorimetric method.

Results: Group II presented a significant decrease (P = .0203), of 33.85% in SSFR compared with group I. Mean SSFR values in groups III and IV showed no significant difference compared with control group (P > .05). Xerostomia was observed in 37.50%, 38.46%, and 50% of subjects in groups II, III, and IV, respectively. Biochemical composition, pH, and SBC were not significantly affected (P > .05) by the use of psychotropics.

Conclusions: Xerostomia was associated with a decrease in SSFR and not with alterations in biochemical composition. Even when using the latest-generation drugs, there were complaints of xerostomia associated with decrease in SSFR.

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