PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 27520521-5 1994 The serotonin (5-hydroxytryptarnine; 5-HT) system may be involved in these reactions.The best management of such reactions will involve counselling patients beforehand about the possibility of these reactions, stopping treatment with the agents if such a reaction is suspected, or adding an agent with 5-HT1A antagonistic properties (e.g. propranolol) to the treatment regimen. Serotonin 4-13 5-hydroxytryptamine receptor 1A Homo sapiens 302-308