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Introduction - Uppsala Monitoring Centre

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1957 Ethchlorvynol (Placidyl, Serenesil, Arvynol)<br />

Use: a non-barbiturate hypnotic.<br />

ADR: pulmonary oedema, alveolar infiltrates, pleural effusions and dependence<br />

after intravenous self-injection (Glauser et al., 1976; Van Swearingen, 1976).<br />

Dependency first reported in 1959 (Cahn, 1959).<br />

SED 1960 Ataxia, confusion, disorientation, visual and auditory hallucinations<br />

with convulsions on withdrawal.<br />

Withdrawn: restricted in the USA (became a schedule IV drug) and Canada in<br />

1978.<br />

Availability: still killing patients in 1988 (Bailey & Shaw, 1990).<br />

Drug Lifespan: 21 years<br />

Delay in recognition: 19 years<br />

Delay in regulatory action: 2 years.<br />

Comment: abuse had lessened by 1990 but still occurred (Bailey & Shaw, 1990).<br />

1957 Sulfamethoxydiazine (Sulfameter, Durenate, Bayrema)<br />

Use: a long acting sulphonamide antibacterial<br />

ADR: aplastic anaemia, agranulocytosis and thrombocytopenia (Schwank &<br />

Friedlanderova, 1977). Intrahepatic cholestasis (Horák et al., 1984). Stevens-<br />

Johnson syndrome (Staudt & Rudert, 1968).<br />

SED 1980, SED 1984, SED 1988: no mention but no longer used in the USA.<br />

Withdrawn: in Germany in 1988<br />

Availability: not known<br />

Drug Lifespan: 31 years<br />

Delay in recognition: 9 years<br />

Delay in regulatory action: 20 years<br />

Comment: aplastic anaemia, agranulocytosis and thrombocytopenias are<br />

sulphonamide class effects (Albahary, 1953).<br />

1957 Sulfamethoxypyridazine (Lederkyn, Kynex, Midicel)<br />

Use: long acting sulphonamide and antibacterial agent.<br />

ADR: aplastic anaemia, agranulocytosis and aplastic anaemia (Johnson and<br />

Korst, 1961), haemolytic anaemia (Janovsky, 1960), nephrotoxicity, fixed<br />

eruption, urticaria, and erythema multiforme (SJS) 176 . Skin reactions had<br />

occurred in 11.8% of patients (Lindsay et al., 1958). Of all the long-acting<br />

sulphonamides it is the most likely to cause Stevens-Johnson syndrome and<br />

caused at least eight deaths (Leader BMJ, 1964). Also reported<br />

thrombocytopenia, interstitial myocarditis and hepatitis (Melvin & Howie,<br />

1961).<br />

SED 1960: of 672 patients 2.2% had rashes. There were two cases of<br />

thrombocytopenia. Fatal myocarditis and toxic psychosis.

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