Give you a global +1 for one day/run, then either a -1 for a longer period or -2 for a shorter period. Each additional dose increases the chance of an overdose - or each use simply takes away one current HP or max HP, or has a risk (increasing or not) of doing so.
Give you a global +1 for one day/run, then either a -1 for a longer period or -2 for a shorter period. Each additional dose increases the chance of an overdose - or each use simply takes away one current HP or max HP, or has a risk (increasing or not) of doing so.