H2 RECEPTOR BLOCKADERS
\ˈe͡ɪt͡ʃ tˈuː ɹɪsˈɛptə blˈɒke͡ɪdəz], \ˈeɪtʃ tˈuː ɹɪsˈɛptə blˈɒkeɪdəz], \ˈeɪ_tʃ t_ˈuː ɹ_ɪ_s_ˈɛ_p_t_ə b_l_ˈɒ_k_eɪ_d_ə_z]\
Definitions of H2 RECEPTOR BLOCKADERS
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Drugs that selectively bind to but do not activate histamine H2 receptors, thereby blocking the actions of histamine. Their clinically most important action is the inhibition of acid secretion in the treatment of gastrointestinal ulcers. Smooth muscle may also be affected. Some drugs in this class have strong effects in the central nervous system, but these actions are not well understood.
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