I would say that yes, you would have an increased risk of TD on another antipsychotic, but like Confusedinomicon said, it's not guaranteed, and I'm not a doctor or anything.
NAMI | Tardive Dyskinesia
Quote:
The risk factors that increase the chances of developing TD are
a) duration of exposure to antipsychotics (especially the older generation),
b) older age,
c) post-menopausal females,
d) alcoholism and substance abuse,
e) mental retardation and
f) experiencing a lot of EPS in the acute stage of antipsychotic therapy.
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My answer is based on point F above, but you should ask the prescribing doctor for confirmation and to help allay your fears about taking antipsychotics.
All the best,
*Willow*