Long-term PPI use causes chronic kidney disease and excess deaths (about 45 extra deaths per 1,000 users, mainly from cardiovascular disease, kidney disease and upper gastrointestinal cancer).

Original statement

حمض المعدة ليس عدوّاً يجب قمعه، بل أداة أساسية للهضم وقتل الميكروبات وامتصاص الحديد وفيتامين ب12 والكالسيوم والمغنيزيوم. تثبيطه لفترات طويلة بـ PPIs (أوميبرازول، نكسيم، كونترلوك) أو مثبطات H2 ينقلب على الجسم: مرض كلوي مزمن، فرط نمو بكتيري، عدوى مطثية عسيرة، التهاب رئوي، نقص B12 والمغنيزيوم، كسور ورك، تغيّر الميكروبيوم، وزيادة الوفيات. والأخطر أنّ الجسم يدمن الدواء عبر فرط الإفراز الارتدادي بعد الإيقاف، فيتحوّل الاستخدام القصير إلى اعتماد مزمن. | في JAMA Internal Medicine 2016، تابع لازاروس وزملاؤه أكثر من 10 آلاف مشارك ووجدوا أنّ مستخدمي PPIs لديهم خطر إصابة بمرض الكلى المزمن أعلى بـ 50% مقارنة بغير المستعملين، ويتضاعف تقريباً مع جرعتين يومياً. وفي BMJ 2019 تابع شي وآل-علي 157 ألف مستخدم جديد للـ PPI مقابل H2 لخمس سنوات: 45 وفاة زائدة لكل ألف مستخدم، من أمراض القلب والكلى وسرطان المعدة العلوي.

not verbatim – paraphrase. Translation by the project; the Arabic wording is authoritative.

Translation

Long-term PPI use causes chronic kidney disease and excess deaths (about 45 extra deaths per 1,000 users, mainly from cardiovascular disease, kidney disease and upper gastrointestinal cancer).

Origin

Source status

Archive editors

Attribution

Archive editors (eltayebat.com); not verified as Elawady's own words

Origin

https://eltayebat.com/rule/acid-blockers/

Attribution uncertainty

Written by the archive operators; study selection is the archive's, not necessarily Elawady's.

Claimed mechanism

Not specified in detail; implied: chronic acid suppression damages the kidney and other organs.

Claimed health effect

Incident CKD, CKD progression and excess all-cause and cause-specific mortality.

Population concerned

Long-term PPI users (adults).

Geographic restriction by Elawady

none found

Diverging source versions

Scientific assessment

Potentially false – The available evidence tends to speak against the statement, but is not conclusive.

Certainty of evidence: low – Further research is likely to change the assessment considerably.

1. What was claimed?

The archive says long-term PPI use causes CKD and about 45 excess deaths per 1,000 users.

2. What is demonstrably correct?

The cited studies exist and report the numbers in essence correctly: ARIC adjusted HR 1.50 for incident CKD; Xie 2019 reported 45.20 excess deaths per 1,000 PPI users versus H2 blockers. The CKD association replicates across databases and in a 2024 meta-analysis (HR 1.26 vs non-users, 1.34 vs H2RA; I-PPI-112).

3. What is wrong or exaggerated?

The step from association to causation is not justified. PPI users are sicker at baseline (confounding by indication and frailty), and illness before death often leads to PPI prescriptions (reverse causation): when this was handled, the mortality association disappeared (I-PPI-110), and the COMPASS RCT found no excess deaths (I-PPI-01). The 45/1,000 figure is a cumulative estimate over up to 10 years in older US veterans, not a demonstrated drug effect. The 'twice-daily nearly doubles risk' statement compares HR 1.46 with HR 1.15 from the Geisinger cohort, not ARIC, and the narrative wrongly states 'five years' of follow-up for Xie 2019.

4. What remains unclear?

Whether a small part of the association is causal cannot be excluded: COMPASS lasted only about 3 years and was not powered for rare long-term kidney outcomes.

5. Which studies support it?

Lazarus 2016 (A-PPI-01), Xie 2017 (A-PPI-02), Klatte 2017 (A-PPI-03), Xie 2017 BMJ Open (A-PPI-13), Xie 2019 BMJ (A-PPI-12): observational associations, HRs mostly 1.15-1.50. Ang 2024 meta-analysis (I-PPI-112): incident CKD HR 1.26 (1.16-1.38); overlaps with the archive-cited cohorts.

6. Which studies contradict it?

COMPASS RCT (I-PPI-01): all-cause mortality HR 1.03 (0.92-1.15); CKD OR 1.17 (0.94-1.45), inconclusive. Lo 2022 (I-PPI-110): mortality HR 1.19 fell to 1.04 (0.97-1.11) with lag analysis; no duration-response. Gonzalez-Perez 2025 (I-PPI-111): kidney decline HR 0.99 (0.66-1.48) vs ranitidine. Brown 2021 (I-PPI-02): HR shrank with adjustment and appeared for implausible causes of death.

7. What applies to Germany and Europe?

PPIs are among the most widely prescribed drugs in Germany and Europe; several (e.g. pantoprazole, omeprazole) are sold over the counter in small packs for short-term use. European data (Stockholm, UK GPRD/CPRD, Rotterdam) are among the cited cohorts, so the observational findings apply to European users with the same confounding limits.

8. What is known about Egypt?

Elawady describes PPIs (Controloc, Nexium) as widely used and sold without prescription in Egypt. No Egypt-specific outcome data were reviewed. The biology and trial results are not expected to differ by country; H. pylori infection, which is common in many countries, is an additional reason why acid-suppression and eradication therapy are prescribed.

9. What practical conclusion is appropriate?

PPIs should be used for a documented indication at the lowest effective dose and reviewed regularly, as gastroenterology societies advise. Fear of kidney damage or death alone is not a reason to stop a PPI that is clearly indicated (AGA 2022 BPA 10).

Assessment details

Rationale for certainty of evidence

Observational associations with CKD (pooled HR 1.26; I-PPI-112) and death (A-PPI-12, A-PPI-13) are consistent, but the large COMPASS RCT found no excess mortality over 3 years (HR 1.03, 0.92-1.15; I-PPI-01), a 14-year cohort found that the mortality association disappeared when reverse causation was handled (HR 1.19 -> 1.04, 0.97-1.11; I-PPI-110), and a European active-comparator cohort found no difference in kidney decline versus H2RAs after adjustment (HR 0.99; I-PPI-111). The causal mortality claim is therefore probably false; a small kidney effect cannot be excluded (COMPASS CKD OR 1.17, 0.94-1.45), so certainty remains low.

Source quality

Archive cites peer-reviewed cohort studies correctly in numbers; the causal language ('turns against the patient', 'excess deaths') goes beyond what observational designs allow.

Regional transferability

Cohorts are from the USA, Sweden, UK, Germany; transferable to Europe and Egypt as associations, with the same limits.

Individual exceptions

Absolute risks matter: in the Xie 2019 cohort the 45 excess deaths per 1,000 are a 10-year cumulative estimate in older, mostly male US veterans.

Regional scope of the claim

general (biological/medical)

Last reviewed

26 October 2026 provisional

Scientific evidence in detail

Overinterpreted – A real finding exists, but the claim draws more from it than the data allow (e.g. association taken as cause, animal data applied to humans, small effect presented as large).

Research question: In adults, does long-term PPI use cause chronic kidney disease and excess deaths (about 45 per 1,000 users)?

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

Open questions

Long-term (>5 years) randomised or target-trial data for kidney outcomes.

How deeply was this checked?

12 linked studies: 4 checked in full text (3 of them with a structured risk-of-bias assessment), 8 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

Large studies found that people who take PPIs for years more often develop kidney disease and die earlier. But people who take PPIs are often older and sicker to begin with, and illness before death often leads to a PPI prescription. When studies accounted for this, the extra deaths largely disappeared, and a large randomised trial found no extra deaths over three years. A small effect on the kidneys cannot be ruled out, but the claim that PPIs cause about 45 extra deaths per 1,000 users is probably not correct.

Studies on this claim

Regional context

Germany / EU

PPIs are among the most widely prescribed drugs in Germany and Europe; several (e.g. pantoprazole, omeprazole) are sold over the counter in small packs for short-term use. European data (Stockholm, UK GPRD/CPRD, Rotterdam) are among the cited cohorts, so the observational findings apply to European users with the same confounding limits.

Egypt

Elawady describes PPIs (Controloc, Nexium) as widely used and sold without prescription in Egypt. No Egypt-specific outcome data were reviewed. The biology and trial results are not expected to differ by country; H. pylori infection, which is common in many countries, is an additional reason why acid-suppression and eradication therapy are prescribed.

What applies in my country?

General scientific assessment

Potentially false Probably false as a causal claim: the link between long-term PPIs and death largely reflects users' poorer health; a small kidney effect remains possible.

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. Proton Pump Inhibitor Use and the Risk of Chronic Kidney Disease.. Lazarus B et al.. JAMA Intern Med 2016 · PMID 26752337 · DOI 10.1001/jamainternmed.2015.7193
2. Long-term kidney outcomes among users of proton pump inhibitors without intervening acute kidney injury.. Xie Y et al.. Kidney Int 2017 · PMID 28237709 · DOI 10.1016/j.kint.2016.12.021
3. Association Between Proton Pump Inhibitor Use and Risk of Progression of Chronic Kidney Disease.. Klatte DCF et al.. Gastroenterology 2017 · PMID 28583827 · DOI 10.1053/j.gastro.2017.05.046
4. Estimates of all cause mortality and cause specific mortality associated with proton pump inhibitors among US veterans: cohort study.. Xie Y et al.. BMJ 2019 · PMID 31147311 · DOI 10.1136/bmj.l1580
5. Risk of death among users of Proton Pump Inhibitors: a longitudinal observational cohort study of United States veterans.. Xie Y et al.. BMJ Open 2017 · PMID 28676480 · DOI 10.1136/bmjopen-2016-015735
6. Association between Proton Pump Inhibitor Use and Risk of Incident Chronic Kidney Disease: Systematic Review and Meta-Analysis.. Ang SP et al.. Biomedicines 2024 · PMID 39061988 · DOI 10.3390/biomedicines12071414
7. Safety of Proton Pump Inhibitors Based on a Large, Multi-Year, Randomized Trial of Patients Receiving Rivaroxaban or Aspirin.. Moayyedi P et al.. Gastroenterology 2019 · PMID 31152740 · DOI 10.1053/j.gastro.2019.05.056
8. Proton pump inhibitors and risk of all-cause and cause-specific mortality: A cohort study.. Brown JP et al.. Br J Clin Pharmacol 2021 · PMID 33393677 · DOI 10.1111/bcp.14728
9. AGA Clinical Practice Update on De-Prescribing of Proton Pump Inhibitors: Expert Review.. Targownik LE et al.. Gastroenterology 2022 · PMID 35183361 · DOI 10.1053/j.gastro.2021.12.247
10. Association of Proton Pump Inhibitor Use With All-Cause and Cause-Specific Mortality.. Lo CH et al.. Gastroenterology 2022 · PMID 35788344 · DOI 10.1053/j.gastro.2022.06.067
11. Proton Pump Inhibitor Use and Worsening Kidney Function: A Retrospective Cohort Study Including 122,606 Acid-Suppressing Users.. González-Pérez A et al.. J Gen Intern Med 2025 · PMID 39627545 · DOI 10.1007/s11606-024-09213-8
12. The Risks and Benefits of Long-term Use of Proton Pump Inhibitors: Expert Review and Best Practice Advice From the American Gastroenterological Association.. Freedberg DE et al.. Gastroenterology 2017 · PMID 28257716 · DOI 10.1053/j.gastro.2017.01.031