Pyrithyldione
Encyclopedia
Pyrithyldione is a psychoactive drug
invented in 1949.
An improved method of manufacture was patented by Roche in 1959.
It was used as a hypnotic
or sedative
and presumed to be less toxic than barbiturates.
Today, this substance is no longer used. Agranulocytosis
was sometimes reported as adverse effect
.
Psychoactive drug
A psychoactive drug, psychopharmaceutical, or psychotropic is a chemical substance that crosses the blood–brain barrier and acts primarily upon the central nervous system where it affects brain function, resulting in changes in perception, mood, consciousness, cognition, and behavior...
invented in 1949.
An improved method of manufacture was patented by Roche in 1959.
It was used as a hypnotic
Hypnotic
Hypnotic drugs are a class of psychoactives whose primary function is to induce sleep and to be used in the treatment of insomnia and in surgical anesthesia...
or sedative
Sedative
A sedative or tranquilizer is a substance that induces sedation by reducing irritability or excitement....
and presumed to be less toxic than barbiturates.
Today, this substance is no longer used. Agranulocytosis
Agranulocytosis
Granulopenia, also known as Agranulosis or Agranulocytosis, is an acute condition involving a severe and dangerous leukopenia , most commonly of neutrophils causing a neutropenia in the circulating blood. It represents a severe lack of one major class of infection-fighting white blood cells...
was sometimes reported as adverse effect
Adverse effect
In medicine, an adverse effect is a harmful and undesired effect resulting from a medication or other intervention such as surgery.An adverse effect may be termed a "side effect", when judged to be secondary to a main or therapeutic effect. If it results from an unsuitable or incorrect dosage or...
.