The phrase "abrupt relapses" is correct and usable in written English.
It can be used to describe sudden and unexpected returns to a previous state, often in the context of health or behavior.
Example: "After months of progress, she experienced abrupt relapses that hindered her recovery."
Alternatives: "sudden setbacks" or "unexpected returns".
An abrupt clinical relapse, reminiscent of a rebound phenomenon, occurred between day 39 and 41, when oxaliplatin-exposed animals developed more severe disease than controls (p < 0.001).
Women may be unaware that most psychotropic medication prescribed is associated with very small absolute risks in pregnancy while discontinuation, particularly abrupt discontinuation, may lead to relapse.
The very high relapse rates and abrupt re-emergence of psychotic symptoms suggest a reduced threshold for psychotic decompensation once a first episode has occurred [ 32], and are consistent with a direct relationship between dopamine and psychosis.
4. The transition from remission to relapse may be abrupt, with few early warning signs. 5. Once illness recurrence occurs symptom severity rapidly returns to levels similar to the initial psychotic episode.
For example, unexpected therapeutic activity (e.g. surgery) may indicate a missing cancer relapse information whereas abrupt discontinuation of radiation therapy may be a sign of omitted information about radiation toxicity.
Lithium is efficacious as maintenance therapy, but is not as highly effective as early studies initially suggested (abrupt discontinuation of lithium probably increased placebo relapse figures).
One dose of short-acting oxytetracycline results in an abrupt fall in the temperature in TBF infected lambs and relapses are common [ 21].
Abrupt discontinuation of antidepressants can cause negative side effects and carries the risk of relapse.
Most of the studies did not consider how such an abrupt withdrawal might compromise the studies' findings: withdrawal symptoms can easily be misclassified as relapse.
