skip to main content

brainstorm askiatroX medicines

simulations beta rounds cpd academy

loading page…

learn & practise

exams international doctors free questions Socratic Tutor rounds academy journal tool guides

clinical reference

askiatroX knowledge centre medicines UK / NICE guidance international guidance calculators q&a library

trust & support

how it works methodology account & support frequently asked questions about us clinical safety consultancy

legal

Medicines sodium phenylbutyrateQuestion & answer

sodium phenylbutyrate · Medicine question

Can sodium phenylbutyrate lower potassium?

iatroX medicinesMedicine guide reviewed 21 August 2026

The answer

Answer

Yes. Excretion of phenylacetylglutamine can increase urinary potassium loss, so serum potassium is monitored.

Sources for this answer

PHEBURANE 350 mg/mL oral solution — Current selected SmPCemc · Summary of Product Characteristics
Ammonaps 500 mg tablets — Current selected SmPCemc · Summary of Product Characteristics
Pheburane — Current selected SmPC

emc · Summary of Product Characteristics

General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.

The full medicine guide

sodium phenylbutyrate

Read the wider context, including uses, precautions and the sources behind this medicine guide.

Read the sodium phenylbutyrate guide

More clinical questions?

Explore the tools and reference material available on iatroX.

Explore askiatroX

More questions about sodium phenylbutyrate

Is sodium phenylbutyrate an ammonia scavenger?Can sodium phenylbutyrate treat an acute ammonia crisis?Why is sodium phenylbutyrate used with a low-protein diet?Can sodium phenylbutyrate tablets be used if swallowing is difficult?Can sodium phenylbutyrate granules be given through a feeding tube?How is sodium phenylbutyrate oral solution measured?