As required
As required adverb - According to need (physicians use PRN in writing prescriptions).
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Synonyms for As required
When required and as required are semantically related. In some cases you can replace phrase "When required" with "As required", this phrases are similar.
When required
As required and when required are semantically related. Sometimes you can replace phrase "As required" with "When required", this phrases are similar.
Mutual synonyms
Cite this Source
When required and As required. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/as_required/when_required
As required & When required. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/as_required/when_required>.
When required or As required. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/as_required/when_required.
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