Drug Reference

Penbutolol

Beta blocking agents, non-selective

Fact box

Therapeutic class: Beta blocking agents, non-selective
Habit forming: No

Available as

20 MG · Oral Tablet

No structured FDA label was available. Use the authoritative links below.

1 marketed product on record (RxNorm)

Authoritative sources

DailyMed — current FDA labeling →
LactMed — breastfeeding safety (NLM) →
MedlinePlus — plain-language drug info →
RxNorm (NLM) →

Reference only — not clinical advice. Verify against current FDA labeling and consult a licensed provider. About half of pediatric drug use is off-label and is not reflected in FDA labels; absence of pediatric information does not mean a medicine is unused or unsafe in children.