Therapeutic Dose of Amitriptyline for Older Patients with Burning Mouth Syndrome
- PMID: 31920319
- PMCID: PMC6941698
- DOI: 10.2147/NDT.S235669
Therapeutic Dose of Amitriptyline for Older Patients with Burning Mouth Syndrome
Abstract
Objective: To assess the therapeutic dose and safety of amitriptyline and the outcome following treatment with amitriptyline among older patients with burning mouth syndrome (BMS).
Methods: 187 consecutive patients were prescribed amitriptyline as a first-line medication from April 2016 to September 2018 and followed-up for >1 month. Patients were divided into 3 groups: group 1, 113 patients aged <65 years; group 2, 52 patients aged between 65 and 74 years; and group 3, 22 patients aged 75 years or older. The visual analog scale (VAS), Pain Catastrophizing Scale (PCS), Somatic Symptom Scale-8 (SSS-8), Patient Global Impression of Change (PGIC), and Short-form McGill Pain Questionnaire (SF-MPQ) were used for analysis.
Results: Thirty-two patients (17 in group 1, 10 in group 2, and 5 in group 3) stopped taking amitriptyline due to side effects. There were no differences among the groups with respect to sex; scores of VAS, PCS, and SSS-8; and drop-out ratio. There were no significant differences in the VAS, PCS, and PGIC scores among the groups after 1 month. The mean daily dose after 1 month was 20.4 ± 8.6 mg in group 1, 17.3 ± 8.7 mg in group 2, and 13.2 ± 5.8 mg in group 3; this difference was significant (p value = 0.003). About 76% of patients showed improvements in their symptoms (PGIC ≥ 3). About 90% of patients reported side effects. No serious side effects occurred.
Conclusion: The therapeutic dose of amitriptyline may be lower for older BMS patients than for younger patients.
Keywords: aged; amitriptyline; burning mouth syndrome; chronic pain.
© 2019 Suga et al.
Conflict of interest statement
This work was supported in part by the JSPS KAKENHI (Grant Number 19K10328) awarded to Dr. Toyofuku. The authors report no other conflicts of interest in this work.
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