Lorazepam/ativan weird side effects?

Not sure what you: Mean by "weird" side effects. Ativan/lorazepam is cross reactive with alcohol, so you might feel drunk, dizzy or sleepy.

Ativan (lorazepam): Paradoxical side-effect such as agitation & irritability.

Ativan: Ativan side effects – feeling tired, dizziness, headaches, tinnitus, anxiety, aggression, slurred speech, blurred vision, insomnia, amnesia, loss of balance, problems concentrating, nausea, vomiting, constipation,lower appetite, respiratory failure, low blood pressure, edema & muscle weakness.