Antibiotics are products of fungi; taking an antibiotic means 'planting fungi' in your body, and antibiotics increase Candida/fungal overgrowth at the expense of bacteria.

Original statement

عارف يعني ايه مضاد حيوي يعني بتزرع فطريات جنب البكتيريا

verbatim according to source. Translation by the project; the Arabic wording is authoritative.

Translation

Antibiotics are products of fungi; taking an antibiotic means 'planting fungi' in your body, and antibiotics increase Candida/fungal overgrowth at the expense of bacteria.

Origin

Source status

Video transcript (own words)

Attribution

Elawady (machine transcript)

Video

Dr Diaa Al Awady د ضياء العوضي is live! دردشه حره (Open source)

Published

9 November 2025

Timestamp

0:45:45 (location in the original video’s automatic YouTube caption track; confirms where the words occur, not who speaks)

Attribution uncertainty

Archive transcript (YouTube CC or AI-generated); wording may contain transcription errors; no timestamps; 'published' is the date listed by the archive. Passage read in context.

Claimed mechanism

Antibiotics kill bacteria, letting fungi (Candida) grow.

Claimed health effect

Fungal overgrowth, chronic problems.

Population concerned

General population

Geographic restriction by Elawady

none found

Diverging source versions

Scientific assessment

Mostly false – Essential parts of the statement are not supported by the evidence or are strongly exaggerated.

Certainty of evidence: moderate – Further research may still affect the assessment.

1. What was claimed?

Antibiotics plant fungi and favour fungal overgrowth.

2. What is demonstrably correct?

Penicillin was originally derived from a mould. Antibiotic-associated vulvovaginal candidiasis is described in the literature (I-ABX-11); in a randomised trial, 23% (18-29%) of women developed candidal vulvovaginitis after a short antibiotic course (I-ABX-128), so the idea that killing bacteria can let Candida overgrow has a real basis.

3. What is wrong or exaggerated?

Antibiotics do not introduce live fungi into the body. Many antibiotics are not of fungal origin (they come from soil bacteria or are fully synthetic; general pharmacological knowledge, not separately sourced here). Xu & Sobel note that 'evidence supporting this association has been limited' and 'existing data ... are conflicting' (I-ABX-11).

4. What remains unclear?

Frequency of clinically relevant fungal overgrowth after a typical antibiotic course.

5. Which studies support it?

I-ABX-11 (phenomenon exists); I-ABX-128 (23% post-antibiotic vulvovaginitis).

6. Which studies contradict it?

I-ABX-11 (evidence limited).

7. What applies to Germany and Europe?

Not region-specific (pharmacology and microbiology).

8. What is known about Egypt?

Not region-specific (pharmacology and microbiology).

9. What practical conclusion is appropriate?

Candida overgrowth after antibiotics can occur and is treatable; it is not a reason to refuse needed antibiotics.

Assessment details

Rationale for certainty of evidence

Two parts: (1) 'taking an antibiotic plants fungi' is a conceptual error - antibiotics are purified chemical compounds (some originally derived from fungi such as Penicillium, many from bacteria or synthetic) and contain no living fungi; (2) Candida overgrowth after antibiotics (e.g. vaginal candidiasis) is a recognised clinical phenomenon, though evidence on its frequency is limited and conflicting.

Source quality

Machine transcript.

Regional transferability

High.

Individual exceptions

Some people (e.g. women prone to vaginal thrush) are more susceptible to Candida overgrowth after antibiotics.

Regional scope of the claim

general (biological/medical)

Last reviewed

26 October 2026 provisional

Scientific evidence in detail

Scientifically refuted – High-quality evidence shows the opposite, or the claim contradicts well-established physiology.

Research question: Does taking an antibiotic introduce fungi into the body, and do antibiotics promote Candida overgrowth?

Study results as reported by the authors. Our assessment follows below.

Open questions

A verified source on the microbial origin of clinically used antibiotics was not found as an open abstract.

How deeply was this checked?

2 linked studies: 0 checked in full text (0 of them with a structured risk-of-bias assessment), 2 on the basis of the abstract, 0 bibliographically only. No formal assessment with two independent reviewers and no independent human expert review has taken place yet.

Last scientific review: 26 October 2026

In plain language

Dr Elawady says that taking an antibiotic means planting fungi in your body. This is not correct: an antibiotic is a purified medicine and contains no living fungi. Some antibiotics were first found in moulds, others come from bacteria or are made in laboratories. It is true that antibiotics can sometimes let yeast like Candida grow too much, for example in vaginal thrush.

Studies on this claim

Regional context

Germany / EU

Not region-specific (pharmacology and microbiology).

Egypt

Not region-specific (pharmacology and microbiology).

What applies in my country?

General scientific assessment

Mostly false The 'planting fungi' idea is wrong; fungal overgrowth after antibiotics is a real but limited side effect.

This statement concerns biological or medical relationships. The scientific assessment above applies regardless of the country; country-specific food data do not change it.

References

1. Effect of lactobacillus in preventing post-antibiotic vulvovaginal candidiasis: a randomised controlled trial.. Pirotta M et al.. BMJ 2004 · PMID 15333452 · DOI 10.1136/bmj.38210.494977.DE
2. Antibiotic-associated Vulvovaginal Candidiasis.. Xu J & Sobel JD. Curr Infect Dis Rep 2003 · PMID 14642189 · DOI 10.1007/s11908-003-0091-x