--- title: "Quince Leaf: Benefits, Uses & Side Effects | Herbadex" description: "Quince leaf decoction is a folk remedy for cough, diarrhea and stomach cramps; there are no human studies. Do not chew the seeds of the fruit." language: en url: https://herbadex.com/en/herb/quince-leaf/ source: Herbadex (https://herbadex.com) --- [Dried Herb & Tea](https://herbadex.com/en/form/dried-herb-tea/) # Quince Leaf Cydonia oblonga T Traditional use Quince leaf decoction is a folk remedy for cough, diarrhea and stomach cramps; there are no human studies. Do not chew the seeds of the fruit. [Digestion](https://herbadex.com/en/for/digestion/) [Respiratory, Throat & Mouth](https://herbadex.com/en/for/respiratory/) ![](/illustrations/kuru-bitki.svg)Q Quince Leaf Pregnancy **Unknown** Breastfeeding **Unknown** Children **Unknown** Drug interactions **No recorded interactions** ## At a glance Quince leaf tea is a folk drink made by boiling the leaves. According to reviews, the leaf decoction has traditionally been used for cough, diarrhea, stomach cramps, nervousness and insomnia. No human study has used the leaves; effects such as lower blood sugar were seen only in animal experiments. **Parts used:** leaves **Key constituents:** Phenolic acids, Flavonoids Updated: October 24, 2026 Sources and research limitations appear below. The existence of a source does not mean every use has been clinically verified. ## What is it used for? - T Traditional use A leaf decoction has traditionally been used as a folk remedy for cough; there are no human studies for this use. \[1\] - T Traditional use A leaf decoction has traditionally been used for diarrhea and stomach cramps; there is no clinical evidence. \[1\] ## How is it used? ### Tea Traditionally, the leaves are boiled in water (decoction) and drunk. The sources give no verified amount or duration. \[1\] ## Safety & interactions - There are no safety data for the leaf; ask your doctor before use in pregnancy, breastfeeding or children. - Quince seeds eaten in large amounts can be toxic because of nitrile compounds; do not chew the seeds. - If you take diabetes medicine, ask your doctor; leaf extract lowered blood sugar in animal experiments. - See a doctor for diarrhea with fever or blood or lasting more than three days, and for a cough lasting more than a week. \[1\] ### Drug interactions No recorded interactions ### Side effects - No systematic side-effect data exist for the leaf #### ⚕ When to see a doctor - If high fever, shortness of breath or purulent/bloody phlegm develops - If symptoms do not improve within 1–2 weeks or worsen - If severe abdominal pain, jaundice, rash or allergic reaction occurs ## Frequently asked questions What is quince leaf tea good for? According to reviews, it has been used in folk medicine for cough, diarrhea, stomach cramps, nervousness and insomnia. There are no human studies for these uses. Does quince leaf lower blood sugar? Leaf extract lowered blood sugar in diabetic rats; no such study exists in people. If you take diabetes medicine, ask your doctor. Can I drink quince leaf tea while pregnant? There are no safety data for the leaf. Ask your doctor before use in pregnancy or breastfeeding. How is quince leaf tea made? Traditionally, the leaves are boiled in water. The sources give no verified amount; do not use it for long periods. ## Sources Source type is not an efficacy rating. A monograph may document traditional use or safety. Claim numbers link to the relevant source; the access date does not indicate professional approval. 1. [Cydonia oblonga M., A Medicinal Plant Rich in Phytonutrients for Pharmaceuticals](https://pubmed.ncbi.nlm.nih.gov/27445806/) Frontiers in Pharmacology · 2016 · Review Source accessed: October 24, 2026 ### Cite This Page Quince Leaf (Cydonia oblonga). Herbadex — Doğal Şifa Rehberi (2026). https://herbadex.com/en/herb/quince-leaf/ ## Related guides and comparisons - [How to Prepare Herbal Tea](https://herbadex.com/en/guide/how-to-prepare-herbal-tea/) ## On this page At a glance What is it used for? How is it used? Safety & interactions Frequently asked questions Sources Related herbs ## Related herbs ### [Peppermint Oil](https://herbadex.com/en/herb/peppermint-oil/) A Strong clinical evidence Mentha × piperita Gastro-resistant peppermint oil capsules may ease IBS cramps, wind and pain; oil rubbed on the forehead may ease mild tension headache. 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[Respiratory, Throat & Mouth](https://herbadex.com/en/for/respiratory/) [Digestion](https://herbadex.com/en/for/digestion/) +1 [Dried Herb & Tea](https://herbadex.com/en/form/dried-herb-tea/) ## Other herbs in the same preparation form (Dried Herb & Tea) [Dried Herb & Tea →](https://herbadex.com/en/form/dried-herb-tea/) ### [Psyllium Husk](https://herbadex.com/en/herb/psyllium-husk/) A Strong clinical evidence Plantago ovata Taken with plenty of water, psyllium husk helps soften stools in constipation; keep a gap between it and other medicines. [Digestion](https://herbadex.com/en/for/digestion/) [Heart & Circulation](https://herbadex.com/en/for/heart-circulation/) [Dried Herb & Tea](https://herbadex.com/en/form/dried-herb-tea/) ### [St. John's Wort](https://herbadex.com/en/herb/st-johns-wort/) A Strong clinical evidence Hypericum perforatum St John's wort extract may help with mild to moderate depressive episodes, but it seriously interacts with many medicines, including the pill. [Sleep, Stress & Mood](https://herbadex.com/en/for/sleep-stress/) [Digestion](https://herbadex.com/en/for/digestion/) [Dried Herb & Tea](https://herbadex.com/en/form/dried-herb-tea/) ### [Black Tea](https://herbadex.com/en/herb/black-tea/) A Strong clinical evidence Camellia sinensis Its caffeine can increase attention and alertness. Observational studies link regular tea drinking to lower cardiovascular risk. [Energy & Focus](https://herbadex.com/en/for/energy-focus/) [Heart & Circulation](https://herbadex.com/en/for/heart-circulation/) [Dried Herb & Tea](https://herbadex.com/en/form/dried-herb-tea/) ### [Artichoke Leaf](https://herbadex.com/en/herb/artichoke-leaf/) B Limited clinical evidence Cynara cardunculus (syn. C. scolymus) Artichoke leaf is traditionally used for indigestion with fullness, bloating and wind; it must not be used with gallbladder disease. [Digestion](https://herbadex.com/en/for/digestion/) [Dried Herb & Tea](https://herbadex.com/en/form/dried-herb-tea/) This page is for information only and is not medical advice. If you take medication, are pregnant, or have a health condition, talk to your doctor or pharmacist before use.