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EP 340 (Sodium phenylbutyrate 500 mg)

Pill imprint EP 340 has been identified as Sodium phenylbutyrate 500 mg.

Sodium phenylbutyrate is used in the treatment of urea cycle disorders and belongs to the drug class urea cycle disorder agents. Risk cannot be ruled out during pregnancy. Sodium phenylbutyrate 500 mg is not a controlled substance under the Controlled Substance Act (CSA).

Sodium phenylbutyrate
EP 340
500 mg
Elliptical / Oval
Prescription only
Drug Class:
Urea cycle disorder agents
Pregnancy Category:
C - Risk cannot be ruled out
CSA Schedule:
Not a controlled drug
Par Pharmaceutical, Inc.

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