Substance Misuse Home Substance Misuse Information and advice on topics regarding the misuse of substances. Substance Misuse More information about substance misuse Nitrous Oxide More information about nitrous oxide The Local Drug Information System (LDIS) This form is used for harm reduction purposes, to collect drug information and intelligence that can be shared with partners in Warwickshire on any emerging, potent or contaminated drugs. More information about the LDIS
