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Debate continues over the nature and causes of chronic flashbacks. Explanations in terms of LSD physically remaining in the body for months or years after consumption have been discounted by... Some say HPPD is a manifestation of post-traumatic stress disorder, not related to the direct action of LSD on brain chemistry, and varies according to the susceptibility of the individual to the disorder.
- Mechanism
- Curator reviewed
Pharmacologically active on 5-hydroxytryptamine receptor 1A
- Formula / weight
- C20H25N3O · 323.432 g/mol (avg)
- Also known as
- D-lysergic acid diethylamide · LSD 25 · Lysergide · N,N-diethyllysergamide
Resolves to
VAYOSLLFUXYJDT-RDTXWAMCSA-NSMILES[H][C@@]12CC3=CNC4=CC=CC(=C34)C1=C[C@H](CN2C)C(=O)N(CC)CCWhat you can answer from here — as of September 16, 2026
Which drugs share a target with Lysergic acid diethylamide, and which of those have an active Phase 3 trial?