Alcohol use is a common behavior in most people in our society. A first episode of alcoholism can be fully recovered through specialized treatment and other protective factors and need not become a relapse later.

Whether there are differences in alcohol use after 1, 3 and 6 months after the administration of paliperidone palmitate extended-release injectable suspension in a sample of patients.

This is a descriptive study that analyzed the differences observed with respect to alcohol use after administration of paliperidone palmitate in a sample of 98 patients attending in a Mental Health Centre, in the Unit for drug dependency to present pathology dual.

The percentage of alcohol use at baseline is 56.1% of the total sample.

One month after treatment with paliperidone palmitate the percentage of use is reduced to 31.6%. At 3 months of treatment the reduction is more significant assuming only the 6.1% of the total sample. Finally after 6 months of treatment the percentage of patients maintaining alcohol use is 4.1%, which represents a 52% reduction compared to the initial rate of use.

The data reflect a 92% reduction in alcohol use after 6 months of the administration of paliperidone palmitate.

We can say that paliperidone palmitate is effective in reducing alcohol use in patients with dual diagnosis.

The authors have not supplied their declaration of competing interest.