Almost all LSD sold in the UK in recent years has been on blotting paper or cardboard sheets cut into 5mm squares with printed images. LSD is almost always swallowed. Repeated patterns may be seen with eyes closed. Patterns are visible with eyes open.
Fantastic visions can appear from nowhere - from shapes in smoke to lines on the palms of the hand.
THE PEAK - Time is slowed almost to a standstill. Trippers may feel they are in a different world. For some this is profound and mystical, but it can be very frightening for others. After eight hours, the trip is usually over, although some residual effects may remain until after sleep. Find a friend who can reassure them.