▁of ▁alco hol ▁consumption , ▁alco hol ism , ▁and ▁alco hol - related ▁dise ases . ▁ ▁Ev ident ly , ▁people ▁suffering ▁these ▁reaction ▁self - im pose ▁avoid ance ▁behavior . ▁ ▁There ▁is ▁a ▁prov iso ▁here : ▁eth an ol , ▁at ▁surprising ly ▁high ▁concentr ations , ▁is ▁used ▁as ▁a ▁sol vent ▁to ▁dissol ve ▁many ▁types ▁of ▁medic ines ▁and ▁other ▁ing red ients . ▁ ▁This ▁per tain s ▁particularly ▁to ▁liquid ▁cold ▁medic ines ▁and ▁mouth w ash es . ▁ ▁Eth an ol ▁avoid ance ▁includes ▁avoid ing ▁the ▁ing estion ▁of ▁and , ▁depending ▁on ▁an ▁individual ' s ▁history , ▁mouth ▁was hing ▁with , ▁such ▁agents . ▁ ▁Type ▁H 1 ▁ant agon ists ▁in ▁the ▁hist am ine ▁ant agon ist ▁family ▁of ▁dru gs ▁were ▁tested ▁in ▁Japanese ▁volunte ers ▁with ▁alco hol - indu ced ▁ast h ma ▁( who ▁pres umably ▁have ▁gl u 4 8 7 ly s ▁A LD H 2 ▁alle le - associ ated ▁ast h ma ) ▁and ▁found ▁to ▁be ▁completely ▁effective ▁in ▁blocking ▁bron cho con str iction ▁responses ▁to ▁alco hol ic ▁be ver ages ; ▁these ▁block ers , ▁it ▁is ▁suggested , ▁may ▁be ▁taken ▁ 1 – 2 ▁hours ▁before ▁consumption ▁of ▁alco hol ▁be ver ages ▁as ▁a ▁prevent ative ▁of ▁alco hol - indu ced ▁resp ir atory ▁re actions . ▁ ▁In ▁the ▁absence ▁of ▁specific ▁studies ▁on ▁the ▁prevent ion