
09/15/2025
Drug-induced paranoia can happen suddenly or develop over time. It may last for a short period, or (in some cases) become a long-term problem. This is especially a risk if drug use continues or if someone already has other mental health conditions.
From stimulants like co***ne and m**h to high-THC cannabis and hallucinogens, learn which drugs can cause paranoia and how to spot paranoia.