Which side effect is commonly associated with LSD?

Severe panic attacks are a well-documented side effect associated with the use of LSD, or lysergic acid diethylamide. LSD is a potent hallucinogenic drug that alters a person's perception, mood, and cognitive processes. While under the influence of LSD, individuals may experience intense and often overwhelming sensory distortions and altered states of consciousness, which can provoke feelings of anxiety and panic.

These panic attacks can occur due to several factors, including the drug's unpredictable effects on the mind, potential discomfort with altered realities, or a user’s preexisting anxiety conditions. This heightened sense of anxiety can lead to a negative experience often referred to as a "bad trip," characterized by intense fear, paranoia, and panic.

In this context, the other options do not accurately reflect the commonly observed side effects of LSD. Weight gain is not typically associated with this drug; in fact, users are often more concerned with the immediate psychological impact rather than physical changes. Additionally, while excessive confidence and increased social interaction can occur for some individuals during their experience, they are not universally experienced side effects and can vary greatly from person to person. The significant concern with LSD lies in its potential to induce severe anxiety and panic, making the answer focused on severe panic