H1-antihistamines H2-antihistamines H2-antihistamines I1-imidazoline receptor agonists I1-imidazoline receptor agonists Adenosinergic agents Adreno- and sympathomimetics (alpha-, beta-) Adrenolitic agents Adrenomimetics Adsorbents Alkylating agents Alpha-blockers Alpha-adrenomimetics Aminoglycosides Amfenicola 12345 15