What is a common effect of ayahuasca when combined with DMT?

The combination of ayahuasca with DMT (N,N-Dimethyltryptamine) is known for inducing intense spiritual hallucinations, which is a hallmark of the ayahuasca experience. Ayahuasca itself is a traditional Amazonian brew that contains DMT along with other compounds, notably harmala alkaloids, which serve as MAO inhibitors that allow the DMT to be active when ingested orally.

When consumed, individuals often report profound and transformative experiences characterized by vivid visual and auditory hallucinations, introspection, and a sense of connection to universal themes or spiritual entities. These hallucinations can include visions that are deeply symbolic, leading to insights about one’s life, relationships, and personal challenges.

The other options do not accurately reflect the primary effects of this combination. Heightened physical activity or increased appetite are generally not associated with the ayahuasca experience, as the brew tends to have a more sedative and introspective effect, often accompanied by purging. Similarly, enhanced focus is not a typical outcome; instead, the experience tends to alter perception rather than improve cognitive clarity. Thus, the profound spiritual hallucinations make "C. Spiritual hallucinations" the most fitting choice.