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phenformin

Very low
UK/fɛnˈfɔːmɪn/US/fɛnˈfɔrmɪn/

Technical/Medical

My Flashcards

Definition

Meaning

A synthetic biguanide drug formerly used to treat type 2 diabetes by lowering blood glucose levels.

A pharmaceutical compound (C10H15N5) that reduces blood sugar by decreasing glucose production in the liver and increasing insulin sensitivity; withdrawn from most markets due to risk of lactic acidosis.

Linguistics

Semantic Notes

Primarily used in historical medical contexts; refers specifically to a discontinued medication. Not used in general language.

Dialectal Variation

British vs American Usage

Differences

No significant differences in usage; identical in both medical terminologies.

Connotations

Historical/obsolete medication in both varieties.

Frequency

Extremely rare outside specialized medical or pharmacological texts.

Vocabulary

Collocations

strong
phenformin therapyphenformin hydrochloridewithdraw phenformin
medium
treated with phenforminrisk of phenformindiscontinue phenformin
weak
patient on phenforminhistory of phenforminswitch from phenformin

Grammar

Valency Patterns

prescribe phenformin for diabetesdiscontinue phenformin due to side effectsassociate phenformin with lactic acidosis

Vocabulary

Synonyms

Neutral

biguanide antidiabetic

Weak

oral hypoglycemic agent

Vocabulary

Antonyms

hyperglycemic agentglucose-elevating drug

Usage

Context Usage

Business

Not used.

Academic

Used in medical history, pharmacology, or endocrinology papers discussing discontinued diabetes treatments.

Everyday

Virtually never used.

Technical

Used in specialized medical texts, drug safety reviews, or historical comparisons with metformin.

Examples

By Part of Speech

adjective

British English

  • The phenformin era in diabetology ended in the 1970s.

American English

  • Phenformin-related lactic acidosis was a significant concern.

Examples

By CEFR Level

B2
  • Phenformin is a drug that is no longer used for diabetes.
C1
  • Due to the risk of fatal lactic acidosis, phenformin was withdrawn from most markets in the 1970s, paving the way for the safer metformin.

Learning

Memory Aids

Mnemonic

Think: PHENyl + biguanIDE + FOR diabetes treatMENT = PHENFORMIN.

Conceptual Metaphor

A retired soldier (once active in the war against diabetes, now withdrawn due to collateral damage).

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

  • Do not confuse with 'phentermine' (a different drug).
  • The '-formin' ending is shared with 'metformin', but they are distinct drugs with different safety profiles.

Common Mistakes

  • Misspelling as 'phenformine' or 'phenphormin'.
  • Using it as a current treatment recommendation.
  • Confusing it with the still-commonly-used drug metformin.

Practice

Quiz

Fill in the gap
was an early biguanide drug discontinued because of its association with lactic acidosis.
Multiple Choice

Phenformin is primarily discussed in what context today?

FAQ

Frequently Asked Questions

No, it has been withdrawn from most markets worldwide due to the risk of lactic acidosis.

Metformin, a related but safer biguanide, became the standard first-line oral medication for type 2 diabetes.

It carried a significant risk of causing lactic acidosis, a serious and potentially fatal condition where lactic acid builds up in the bloodstream.

No. They are distinct chemical compounds with different safety profiles. Metformin is the current standard, while phenformin is obsolete.