A channel opener, also known as a channel activator, is a type of drug which facilitates ion flow through ion channels. 
They include the following: 
    See also
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| Calcium | | VDCCsTooltip Voltage-dependent calcium channels |  | 
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| Potassium | | VGKCsTooltip Voltage-gated potassium channels |  | 
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 | IRKsTooltip Inwardly rectifying potassium channel | | Blockers |  | 
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 | Activators |   GIRKTooltip G protein-coupled inwardly rectifying potassium channel-specific: ML-297 (VU0456810)
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 | KCaTooltip Calcium-activated potassium channel |  | 
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 | K2PsTooltip Tandem pore domain potassium channel |  | 
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| Sodium | | VGSCsTooltip Voltage-gated sodium channels |  | 
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 | ENaCTooltip Epithelial sodium channel |  | 
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 | ASICsTooltip Acid-sensing ion channel |  | 
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| Chloride | | CaCCsTooltip Calcium-activated chloride channel |  | 
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 | CFTRTooltip Cystic fibrosis transmembrane conductance regulator |  | 
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 | Unsorted |  | 
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| Others | | TRPsTooltip Transient receptor potential channels |  | 
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 | LGICsTooltip Ligand gated ion channels |  | 
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| See also: Receptor/signaling modulators • Transient receptor potential channel modulators |