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Claim 20 · Infections

Dengue: "papaya leaf juice raises platelets and cures it".

A papaya leaf beside a platelet-count chart that dips and recovers A deeply lobed papaya leaf on its stalk sits beside a simple chart. The platelet line dips in the middle days of dengue and climbs back on its own as the illness passes; papaya-leaf extract has not been shown to change the outcome, and warning signs need a hospital.

As forwarded

"Papaya leaf juice working wonders": a platelet count said to rise from 68,000 to 2,00,000 within 12 hours, with an urgent request to share.

A monsoon-season WhatsApp forward fact-checked in November 2019 [S1]. Variants promote papaya-leaf tablets said to cure dengue in 48 hours. Reach figure: not available. Reach not available

Verdict

Exaggerated

A few small, low-quality trials suggest papaya-leaf preparations may nudge platelet counts up, but none shows fewer deaths, less bleeding or less shock, and nothing cures dengue. Watch for warning signs as the fever falls, drink fluids, take only paracetamol, and get to hospital at once if they appear.

What the evidence says

Supported

What is right. Low-quality trials do report higher platelet counts with papaya-leaf preparations, and no serious harm has been reported. A systematic review found nine studies, six from India; seven reported higher platelet counts with papaya extract. Pooled over three studies (129 people), platelets on days 1–5 were higher, and hospital stay was about two days shorter (three studies); both findings were rated low-quality evidence. [S2]

Exaggerated

Where it goes wrong. Overall study quality was low to moderate with high risk of bias, and preparations and doses varied (leaf syrup, capsules, tablets, fresh juice). No included study looked at deaths, plasma leakage, shock or bleeding. The authors: "Current evidence is insufficient to comment on the role of CP extract in dengue" and "The routine use of CP extract for treating dengue cannot be recommended based on current available evidence." Nausea and vomiting were reported in some trials. [S2]

Established

What treatment actually is. "There is no specific medicine to treat dengue." Rest, drink plenty of fluids, take paracetamol for fever and pain, and "Do not take aspirin or ibuprofen!" [S3] ICMR states antibiotics "are not needed" in dengue. [S5]

Established

The danger comes as the fever falls. Warning signs of severe dengue "usually begin in the 24–48 hours after fever has gone away": belly pain or tenderness, vomiting at least 3 times in 24 hours, bleeding from the nose or gums, vomiting blood or blood in the stool, or feeling extremely tired or restless. Severe dengue can develop within hours and is a medical emergency. [S4][S3]

What to do instead

  1. Warning signs, especially as the fever settles (belly pain, repeated vomiting, bleeding gums or nose, blood in vomit or stool, extreme tiredness or restlessness): go to hospital immediately or call 108 or 112. [S4][S3]

  2. Drink plenty of fluids and rest. [S3]

  3. For fever and pain, take paracetamol only; do not take aspirin or ibuprofen. [S3]

  4. Do not take antibiotics for dengue unless a doctor finds a separate bacterial infection. [S5]

  5. See a doctor early for testing and follow-up. If you choose to take papaya-leaf juice, tell your doctor, and never let it replace fluids, monitoring or hospital care. [S3][S2]

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Sources

  1. S1
    The News Minute. TNM fact check: papaya leaf juice doesn't cure dengue.Circulation only; not evidence · 28 November 2019
    thenewsminute.com/amp/story/news/tnm-fact-check-papaya-leaf-juice-doesnt-cure-dengue-113078
  2. S2
    Rajapakse S et al. Carica papaya extract in dengue: a systematic review and meta-analysis. BMC Complementary and Alternative Medicine 2019;19:265.Tier 1 · 2019
    pmc.ncbi.nlm.nih.gov/articles/PMC6788024
  3. S3
    US Centers for Disease Control and Prevention. Manage dengue.Tier 2-equivalent national public health agency · page date not returned
    cdc.gov/dengue/treatment/index.html
  4. S4
    US Centers for Disease Control and Prevention. Dengue symptoms and warning signs.Tier 2-equivalent national public health agency · updated 19 October 2026
    cdc.gov/dengue/symptoms
  5. S5
    Indian Council of Medical Research. Treatment Guidelines for Antimicrobial Use in Common Syndromes, 2nd edition.Tier 2 · 2019
    icmr.gov.in/icmrobject/custom_data/pdf/resource-guidelines/Treatment_Guidelines_2019_Final.pdf

Tiers are as graded in the research file. "Circulation only" sources document that a claim circulates and are never cited as evidence. Where a primary paper could not be opened, the page says so in the Honest note.

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Medical review: being arranged

Every evidence sentence on this page traces to the sources listed above, but no registered physician has yet signed it off. When one has, their name, registration number and date of review will appear here. Until then, read this page as a sourced guide, not as medical advice: for any symptom, call 108 or 112, or see a doctor.

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