Europe — EMA
H&s® Eichenrinde
Learn about H&s® Eichenrinde (Quercus Cortex) – uses, effects, precautions, interactions and FAQs for this EU herbal product.
Request sourcing
What is Quercus Cortex?
H&s® Eichenrinde is a herbal preparation that contains oak bark (Quercus Cortex) as its sole active ingredient. The product is supplied without a specified strength or dosage form and is marketed within the European Union. It is intended for cutaneous and oral use according to traditional herbal practice and may be offered as a tincture or powder for supportive health purposes in accordance with local regulations.
What is Quercus Cortex used for?
H&s® Eichenrinde is traditionally used in herbal practice for a range of supportive applications. While scientific evidence is limited, the oak bark extract is sometimes employed for the following purposes:
- To support normal gastrointestinal function. - As a mild astringent for skin irritations. - To assist with occasional oral discomfort. - In traditional preparations aimed at promoting healthy inflammatory responses. - As part of herbal blends intended for general wellness. - To help maintain normal oral mucosa health. - To provide a gentle topical aid for minor cuts or abrasions.
What are the side effects of Quercus Cortex?
Reported adverse effects of H&s® Eichenrinde are generally mild and reflect the typical safety profile of herbal bark extracts. Most users experience only minor, transient symptoms, but it is important to recognize both common and less frequent serious reactions that may require medical attention. These observations are based on post‑marketing reports and traditional use data.
Common: - Mild gastrointestinal upset such as nausea or stomach discomfort. - Transient skin redness or itching at the application site. - Slight bitter taste when taken orally. - Dry mouth sensation.
Serious: - Allergic reactions including hives, swelling, or difficulty breathing. - Liver enzyme elevation in rare cases. - Persistent diarrhea or vomiting. - Severe abdominal cramps.
What precautions apply to Quercus Cortex?
When considering H&s® Eichenrinde, several precautionary measures should be observed to minimize risk and ensure appropriate use.
- Do not use if you have a known allergy to oak bark or related plant species. - Consult a healthcare professional before use during pregnancy, lactation, or in children. - Avoid prolonged daily use exceeding recommended traditional durations. - Keep the product out of reach of pets and children. - Store in a cool, dry place away from direct sunlight. - Discontinue use and seek medical advice if any adverse reaction occurs.
What does Quercus Cortex interact with?
H&s® Eichenrinde may interact with certain medicines or supplements. Awareness of these potential interactions helps to avoid adverse effects or reduced efficacy.
Avoid: - Concurrent use with anticoagulant or antiplatelet drugs, as oak bark may enhance bleeding risk. - Combining with strong diuretics, which could affect fluid balance.
Use with caution: - Herbal preparations containing tannins, which may increase astringent effects. - Non‑steroidal anti‑inflammatory drugs (NSAIDs), due to possible additive gastrointestinal irritation. - Medications metabolized by liver enzymes, pending further evidence. - Herbal supplements with high potassium content, as oak bark may influence electrolyte balance.
Frequently asked questions
What part of the oak tree is used in H&s® Eichenrinde?+
Is H&s® Eichenrinde available as a standardized extract?+
Can H&s® Eichenrinde be used on the skin?+
Is oral consumption of H&s® Eichenrinde considered safe?+
What are common side effects of oak bark preparations?+
Should I avoid H&s® Eichenrinde if I take blood thinners?+
Is H&s® Eichenrinde suitable during pregnancy?+
Can H&s® Eichenrinde interact with NSAIDs?+
How should H&s® Eichenrinde be stored?+
What should I do if I experience an allergic reaction?+
Is there any known effect of H&s® Eichenrinde on liver function?+
Are there any dietary restrictions while taking H&s® Eichenrinde?+
Product details
Related products

A
Liquid Extract From Viscum Album Subsp. Abietis Var Abies Alba (1:20), Extraction Solvents: Water Fo

A
Liquid Extract From Viscum Album Subsp. Abietis Var Abies Alba (1:20), Extraction Solvents: Water Fo

A
Liquid Extract From Viscum Album Subsp. Abietis Var Abies Alba (1:20), Extraction Solvents: Water Fo

A
Liquid Extract From Viscum Album Subsp. Abietis Var Abies Alba (1:20), Extraction Solvents: Water Fo