What type of household meds taken together could be highly contagious?

like od on? and what dosage? Just wondering...What type of household meds taken together could be highly contagious?
Most medicine, can be deadly surrounded by gross over-dose! sleeping pills(tranquilisers), aspirins, antibiotics......everything!
call a suicide prevention hotline!
unless its homicide your researching than beckon the police
Are you trying to kill somebody or assassinate yourself ?
Don't even consider this. I think you have need of help. Call someone in a minute.