text: The 5-HT(1/2/5/7)-receptor antagonist methysergide and the << 5-HT(2A/2B/2C)-receptor >> antagonist [[ LY 53857 ]] enhanced clomipramine-induced hyperglycemia, while the 5-HT(1A/1B)-receptor antagonist (-)-propranolol and the 5-HT(3/4)-receptor antagonist tropisetron did not affect it.