Psychiatric Symptom Predictors in Methamphetamine-Induced Psychosis

This study investigates why some people who develop psychosis after using methamphetamine (a stimulant drug) continue to have psychiatric symptoms while others recover. Researchers want to find clinical and biological markers that can predict who is most at risk of ongoing psychiatric illness. **You may be eligible if...** - You are between 18 and 64 years old - You have been diagnosed with methamphetamine-induced psychotic disorder (a condition where methamphetamine use triggered psychosis, such as hallucinations or paranoia) - You have not taken any psychiatric medications for at least one month before admission - You are able to give informed consent **You may NOT be eligible if...** - You have high blood pressure, diabetes, chronic kidney disease, or rheumatoid arthritis - You have a heart condition, lupus, or other serious immune or neurological condition - You have a primary psychiatric disorder (like schizophrenia) that is not related to methamphetamine - You have an alcohol use disorder Talk to your doctor to see if this trial is right for you.