Indian Journal of Psychological Medicine
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Year : 2010  |  Volume : 32  |  Issue : 2  |  Page : 104-107

Study of the effect of nortriptyline and fluvoxamine on psychomotor functions in healthy volunteers

1 Department of Pharmacology, Rajiv Gandhi Institute of Medical Sciences (RIMS), Adilabad, AP, India
2 Department of Pharmacology,Govt Medical College, Nagpur, India
3 Department of Pharmacology,Government Medical College, Mumbai, India

Correspondence Address:
Ajay Khade
Department of Pharmacology, Rajiv Gandhi Institute of Medical Sciences (RIMS), Adilabad, Andhra Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0253-7176.78506

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Background: Today, many antidepressants are available, but they often cause adverse effects, particularly psychomotor and cognitive. It leads to patient maladjustment and may impair psychomotor performance. Fluvoxamine is a newer antidepressant and hence the present study was planned to investigate its effect on psychomotor functions and compare with nortriptyline and record their adverse reactions. Materials and Methods: A total of 26 healthy volunteers were included in this double-blind, placebocontrolled, crossover study. Single oral doses of fluvoxamine 50 mg, nortriptyline 50 mg and placebo were administered following a Latin square design. The objective parameters-six digit cancellation test, digit symbol substitution test, critical flicker fusion test, arithmetic ability test, hand steadiness test and subjective parameters such as visual analogue scale 1, 2, 3 were tested at 0, 2 and 4 h. The side-effects were also investigated. Results: Nortriptyline impaired all subjective and objective psychomotor functions while fluvoxamine did not show any significant effect on objective tests. However, on subjective parameters, there was a significant effect. The side-effects observed were dryness of mouth with the nortriptyline and nausea and headache with fluvoxamine. Conclusion: Fluvoxamine is a better antidepressant drug in comparison with nortriptyline as it causes a less impairment of psychomotor functions.

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