European Journal of Clinical Pharmacology

, Volume 14, Issue 6, pp 417–423

Effects of terfenadine and diphenhydramine alone or in combination with diazepam or alcohol on psychomotor performance and subjective feelings

  • Liselotte Moser
  • K. J. Hüther
  • J. Koch-Weser
  • P. V. Lundt
Originals

DOI: 10.1007/BF00716383

Cite this article as:
Moser, L., Hüther, K.J., Koch-Weser, J. et al. Eur J Clin Pharmacol (1978) 14: 417. doi:10.1007/BF00716383

Summary

The effects of single oral doses of terfenadine, diphenhydramine and placebo, alone or in combination with diazepam or alcohol, on psychomotor performance and subjective feelings were evaluated in a double-blind, crossover study in 20 normal male volunteers. Terfenadine 60, 120 and 240 mg had no effect on psychomotor skills and subjective feelings, whereas diphenhydramine 100 mg slightly impaired certain features of psychomotor performance and severely worsened subjective feelings. Terfenadine 120 mg did not influence the adverse effects of oral diazepam 10 mg or of alcohol 0.75 g/kg on psychomotor performance and subjective feelings. In contrast, diphenhydramine 100 mg significantly enhanced these effects of diazepam and alcohol.

Key words

Histamine antagoniststerfenadinediphenhydraminediazepamalcoholdrug interactionseffects on psychomotor performance and subjective feelings

Copyright information

© Springer-Verlag 1978

Authors and Affiliations

  • Liselotte Moser
    • 1
  • K. J. Hüther
    • 2
  • J. Koch-Weser
    • 2
  • P. V. Lundt
    • 1
  1. 1.Gesellschaft für Ursachenforschung bei VerkehrsunfällenKölnFederal Republic of Germany
  2. 2.Centre de Recherche Merrell InternationalStrasbourgFrance