It can cause extreme drowsiness, unsteadiness in walking and performing tasks, sedation and euphoria. There are of course more but these are the most common.
Full list;
- Euphoria
- drowsiness
- decreased fear of danger
- depression
- hallucinations
- agitation
- dizziness
- decreased urination
- headache and flu-like symptoms
- speech problems
- memory loss
- concentration problems
- changes in appetite
- blurred vision
- constipation
- vomiting
- nausea
- diarrhea
- decrease or increase in sex drive
- dry mouth or increased salivation
- sweating
- skin inflamation
- aggression
- mania