Recurrent UTI prevention: what the evidence supports

2 graded interventions for recurrent uti prevention, ranked by strength of evidence.

Overall grade: Grade B
Last revised: Jul 10, 2026; 2
graded outcomes: 0
references listed

Assembled by the app from other entries in this library. It adds no evidence of its own — follow the links to the entries it draws on.

1 at grade B · 1 at grade C — 2 graded rows

What is known

Each outcome with its grade (how strong the evidence is, A to D), the size of the effect where the entry records one, and how often studies agree.

Outcome	Grade	Effect size	Agreement
CranberryIn susceptible groups	Evidence grade B	Moderate	mixed
D-MannoseSmall trials	Evidence grade C	Moderate	mixed

CranberryEvidence grade B
In susceptible groups
Moderatemixed
D-MannoseEvidence grade C
Small trials
Moderatemixed

What is uncertain

Read off the same rows as above. Nothing here is added that the entry does not itself record.

Thin evidence: D-Mannose (grade C).
Studies disagree: Cranberry (mixed agreement).

The evidence in words

The evidence map

This is the ranked evidence for recurrent uti prevention: every compound in the knowledge base with a graded effect, best-supported first. Grades reflect replication and effect size, not popularity or marketing.

Best-supported

Cranberry (grade B) — In susceptible groups

Weaker or unproven

D-Mannose (grade C) — Small trials

Goes with

CranberryGrade BEvidence grade B
D-MannoseGrade CEvidence grade C

Entries that share this one's tags or conditions.

Allergic rhinitis: what the evidence supports3 graded interventions for allergic rhinitis, ranked by strength of evidence.Evidence grade B
Antibiotic-associated diarrhea: what the evidence supports2 graded interventions for antibiotic-associated diarrhea, ranked by strength of evidence.Evidence grade B
Anxiety: what the evidence supports6 graded interventions for anxiety, ranked by strength of evidence.Evidence grade B
Benign prostatic hyperplasia: what the evidence supports3 graded interventions for benign prostatic hyperplasia, ranked by strength of evidence.Evidence grade C

Sources

This entry lists no references of its own — it is assembled from the entries it links to, whose sources are on their pages.

Last revised Jul 10, 2026. A grade is this entry's reading of the evidence, not medical advice.