Diosmin – Uses, Dosage, Side Effects, Interactions

Last updated: February 7, 2026Reviewed date: February 7, 2026Reading time: 5 min read
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Diosmin is a disaccharide derivative that consists of diosmetin substituted by a 6-O-(alpha-L-rhamnopyranosyl)-beta-D-glucopyranosyl moiety at position 7 via a glycosidic linkage. It has a role as an antioxidant and an anti-inflammatory agent. It is a glycosyloxyflavone, a rutinoside, a disaccharide derivative, a monomethoxyflavone, and a dihydroxyflavanone....

For severe symptoms, danger signs, pregnancy, child illness, or sudden worsening, seek urgent medical care.

বাংলা রোগী নোট এখনো যোগ করা হয়নি। পোস্ট এডিটরে “RX Bangla Patient Mode” বক্স থেকে সহজ বাংলা সারাংশ যোগ করুন।

এই তথ্য শিক্ষা ও সচেতনতার জন্য। এটি ডাক্তারি পরীক্ষা, রোগ নির্ণয় বা প্রেসক্রিপশনের বিকল্প নয়।

Article Summary

Diosmin is a disaccharide derivative that consists of diosmetin substituted by a 6-O-(alpha-L-rhamnopyranosyl)-beta-D-glucopyranosyl moiety at position 7 via a glycosidic linkage. It has a role as an antioxidant and an anti-inflammatory agent. It is a glycosyloxyflavone, a rutinoside, a disaccharide derivative, a monomethoxyflavone, and a dihydroxyflavanone. It derives from a diosmetin. Diosmin is a semisynthetic drug indicated for the treatment of venous disease. Diosmin is a flavone that...

Key Takeaways

  • This article explains Mechanism of Action of Diosmin in simple medical language.
  • This article explains Indications of Diosmin in simple medical language.
  • This article explains Contraindications of Diosmin in simple medical language.
  • This article explains Dosage of Diosmin in simple medical language.
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Seek urgent medical care if you notice

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  • Severe symptoms, breathing difficulty, fainting, confusion, or rapidly worsening illness.
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  • Any symptom that feels urgent, unusual, or unsafe for the patient.
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Use emergency care for severe, sudden, rapidly worsening, or life-threatening symptoms.

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Book a professional medical evaluation if symptoms persist, worsen, recur often, affect daily activities, or occur in a high-risk patient.

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Use this article to understand possible causes, tests, treatment options, prevention, and questions to ask your clinician.

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Definition

Diosmin is a disaccharide derivative that consists of diosmetin substituted by a 6-O-(alpha-L-rhamnopyranosyl)-beta-D-glucopyranosyl moiety at position 7 via a glycosidic linkage. It has a role as an antioxidant and an infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।" data-rx-term="inflammation" data-rx-definition="Inflammation is the body’s response to injury, infection, or irritation, often causing pain, swelling, heat, or redness. সহজ বাংলা: শরীরের প্রদাহ; ব্যথা, ফোলা বা লালভাব হতে পারে।">inflammation, pain, or swelling. সহজ বাংলা: প্রদাহ/ফোলা/ব্যথা কমায়।" data-rx-term="anti-inflammatory" data-rx-definition="Anti-inflammatory means reducing inflammation, pain, or swelling. সহজ বাংলা: প্রদাহ/ফোলা/ব্যথা কমায়।">anti-inflammatory agent. It is a glycosyloxyflavone, a rutinoside, a disaccharide derivative, a monomethoxyflavone, and a dihydroxyflavanone. It derives from a diosmetin.

Diosmin is a semisynthetic drug indicated for the treatment of venous disease. Diosmin is a flavone that can be found in the plant Teucrium gnaphalodes. Diosmin is available as prescription medicine in several European countries and is available as a nutritional supplement in the United States and the rest of Europe. It should be noted that clinical studies have been inconclusive and no articles have been published pertaining to its use in the treatment of vascular disease. When used in rats, diosmin has been effective at mitigating hyperglycemia, and may also have antineutrino degenerative properties.

Another Name

  • Barosmin
  • Buchu Resin
  • Daflon
  • Diosmin
  • Resin, Buchu
  • Venosmine
  • Diosmin
  • Diosmina
  • Diosmine
  • Diosminum

Mechanism of Action of Diosmin

Ligand-activated transcriptional activator. Binds to the XRE promoter region of genes it activates. Activates the expression of multiple phases I and II xenobiotic chemical metabolizing enzyme gene. Diosmin is a semisynthetic drug indicated for the treatment of venous disease. Diosmin is a flavone that can be found in the plant Teucrium gnaphalodes. Diosmin is available as prescription medicine in several European countries and is available as a nutritional supplement in the United States and the rest of Europe. It should be noted that clinical studies have been inconclusive and no articles have been published pertaining to its use in the treatment of vascular disease. When used in rats, diosmin has been effective at mitigating hyperglycemia, and may also have antineutrino degenerative properties.

Indications of Diosmin

  • Venous Insufficiency – general or unspecified but usually of the legs; coordinate IM with the specific vein (IM) or organ /‌blood supply (IM) if pertinent cope NoteImpaired venous blood flow or venous return (venous stasis), usually caused by inadequate venous valves. Venous insufficiency often occurs in the legs, and is associated with EDEMA and sometimes with VENOUS STASIS ULCERS at the ankle.
  • Hemorrhoidal; hemorrhoidal disease; hemorrhoids – Swollen veins in the lower part of the RECTUM or ANUS. Hemorrhoids can be inside the anus (internal), under the skin around the anus (external), or protruding from inside to outside of the anus. People with hemorrhoids may or may not exhibit symptoms that include bleeding, itching, and pain.\
  • Edema – general prefer specifics; coordinate IM with organ/diseases term (IM); egg-white edema: coordinate IM with OVALBUMIN (NIM if indexed at all); EPH (Edema, Proteinuria, Hypertension)  gestosis, EPH & do not index under EDEMA unless it is particularly discussedScope NoteAbnormal fluid accumulation in TISSUES or body cavities. Most cases of edema are present under the SKIN in SUBCUTANEOUS TISSUE.
  • Diosmin is a dietary supplement – used to aid the treatment of hemorrhoids and venous diseases, i.e., chronic venous insufficiency including spider and varicose veins, leg swelling (edema), stasis dermatitis and venous ulcers. The mechanism of action of Diosmin and other phlebotomists is undefined, and clinical evidence of benefit is limited. Diosmin is not recommended for treating the rectal mucosa, skin irritations, or wounds, and should not be used to treat dermatitis, eczema, or urticaria. Diosmin is not recommended for use in children or women during pregnancy.[rx]
  • Chronic venous insufficiency
  • insulin is low or not working well. সহজ বাংলা: রক্তে চিনি বেশি থাকার রোগ।" data-rx-term="diabetes" data-rx-definition="Diabetes is a condition where blood sugar stays too high because insulin is low or not working well. সহজ বাংলা: রক্তে চিনি বেশি থাকার রোগ।">Diabetes
  • Hemorrhoids
  • High blood pressure
  • Lymphedema (swelling of the arms)
  • Premenstrual syndrome
  • Ulcerative colitis
  • Varicose veins

Contraindications of Diosmin

The gel formulation is contraindicated for application to mucosa, dermal irritations, or wounds, and it should not be used to treat dermatitis, eczema, or urticaria. Diosmin is not recommended for use in children.

Dosage of Diosmin

For venous insufficiency, the dosage is 2 tablets daily. For acute hemorrhoidal attack, the dosage is 6 tablets daily for 4 days, followed by 4 tablets daily over the next 3 days.[rx] For chronic venous disease, the dosage is 2 tablets a day for at least 2 months.[rx]

BY MOUTH

  • For the treatment of internal hemorrhoids – 1350 mg of diosmin plus 150 mg of hesperidin twice daily for 4 days followed by 900 mg of diosmin and 100 mg of hesperidin twice daily for 3 days. Some researchers also try 600 mg of diosmin three times daily for 4 days, followed by 300 mg twice daily for 10 days, in combination with 11 grams of psyllium daily. However, this lower diosmin dose does not seem to be as effective.
  • For prevention of relapse internal hemorrhoids – 450 mg of diosmin plus 50 mg of hesperidin twice daily for 3 months of therapy.
  • For the treatment of leg wounds due to blood flow problems (venous stasis ulcers) – the combination of 900 mg of diosmin and 100 mg of hesperidin daily has been used for up to 2 months.

Side Effects of Diosmin

Diosmin is safe for most people when used short-term for up to 6 months. It can cause some side effects such as stomach and abdominal pain, diarrhea, dizziness, headache, skin redness and hives, muscle pain, blood problems, and altered heart rate.

In some 10% of users, diosmin causes mild gastrointestinal disorders or skin irritations (hives, itching), stomach pain, nausea, heart arrhythmias, or anemia.[rx] Preliminary research indicates no evidence of toxicity.[rx] The US Food and Drug Administration (FDA) concluded in 2001 that there was inadequate evidence on which to base an expectation of safety. As of 2013, the FDA did not revise this position.[rx]

Drug Interactions of Diosmin

We currently have no information about DIOSMIN Interactions.

Pregnancy Category of Diosmin

Pregnancy and breast-feeding

  • Not enough is known about the use of diosmin during pregnancy and breast-feeding. Stay on the safe side and avoid use.

Bleeding disorders

  • Diosmin might make bleeding disorders worse. If you have a bleeding disorder, don’t use diosmin.

References

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Safety note: This is not a prescription or diagnosis. For severe symptoms, pregnancy danger signs, children with serious illness, chest pain, breathing difficulty, stroke-like weakness, or major injury, seek urgent care.

Which doctor may help?

Start with a registered doctor or the nearest qualified health center.

What to tell the doctor

  • Write when the problem started and how it changed.
  • Bring old prescriptions, investigation reports, and current medicines.
  • Write allergies, pregnancy status, diabetes, kidney/liver disease, and major past illnesses.
  • Bring one family member if the patient is weak, elderly, confused, or a child.

Questions to ask

  • What is the most likely cause of my symptoms?
  • Which danger signs mean I should go to hospital quickly?
  • Which tests are necessary now, and which can wait?
  • How should I take medicines safely and what side effects should I watch for?
  • When should I come for follow-up?

Tests to discuss

  • Vital signs: temperature, pulse, blood pressure, oxygen saturation
  • Basic physical examination by a clinician
  • CBC, urine test, blood sugar, or imaging only when clinically needed

Avoid these mistakes

  • Do not use antibiotics, steroid tablets/injections, or strong painkillers without proper medical advice.
  • Do not hide pregnancy, kidney disease, ulcer, allergy, or blood thinner use.
  • Do not delay emergency care when danger signs are present.

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This section is for patient education only. It does not replace a doctor, pharmacist, or emergency care.

Safe first steps

  • Avoid heavy lifting, sudden bending, and prolonged bed rest.
  • Use comfortable posture and gentle movement as tolerated.
  • Discuss physiotherapy, X-ray, or MRI only when clinically needed.

OTC medicine safety

  • For mild back pain, pain-relief medicine may be discussed with a doctor or pharmacist.
  • Avoid repeated painkiller use if you have kidney disease, stomach ulcer, uncontrolled blood pressure, or are taking blood thinners.

Avoid these mistakes

  • Do not start antibiotics without a proper medical decision.
  • Do not use steroid tablets or injections casually for quick relief.
  • Do not delay emergency care because of home remedies.

Get urgent help if

  • Back pain with leg weakness, numbness around private area, loss of urine/stool control, fever, cancer history, or major injury needs urgent care.
Medicine names, dose, and timing must be decided by a qualified clinician or pharmacist after checking age, pregnancy, allergy, other diseases, and current medicines.

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Doctor to discuss: Doctor / qualified healthcare provider
Tests to discuss with doctor
  • Basic vital signs: temperature, pulse, blood pressure, oxygen level if needed
  • Relevant blood, urine, imaging, or specialist tests only after clinical assessment
Questions to ask
  • What is the most likely cause of my symptoms?
  • Which warning signs mean I should go to emergency care?
  • Which tests are really needed now?
  • Which medicines are safe for my age, pregnancy status, allergy, kidney/liver/stomach condition, and current medicines?

Emergency warning signs such as chest pain, severe breathing difficulty, sudden weakness, confusion, severe dehydration, major injury, or loss of bladder/bowel control need urgent medical care. Do not wait for online information.

Safe pathway to proper treatment

Care roadmap for: Diosmin – Uses, Dosage, Side Effects, Interactions

Use this simple roadmap to understand the next safe steps. It is educational and does not replace examination by a doctor.

Go to emergency care if you notice:
  • Severe or rapidly worsening symptoms
  • Breathing difficulty, chest pain, fainting, confusion, severe weakness, major injury, or severe dehydration
Doctor / service to discuss: Qualified healthcare provider; specialist depends on symptoms and examination.
  1. Step 1

    Check danger signs first

    If danger signs are present, seek emergency care and do not wait for online information.

  2. Step 2

    Record the symptom story

    Write when symptoms started, severity, medicines already taken, allergies, pregnancy status, and test results.

  3. Step 3

    Visit a qualified clinician

    A doctor, nurse, or qualified healthcare provider can examine you and decide which tests or treatment are needed.

  4. Step 4

    Do only useful tests

    Do tests after clinical assessment. Avoid unnecessary tests, random antibiotics, or repeated medicines without diagnosis.

  5. Step 5

    Follow up and return early if worse

    If symptoms worsen, new warning signs appear, or treatment is not helping, return for review quickly.

Rural patient practical tips
  • Take a written symptom diary and all previous prescriptions/test reports.
  • Do not hide medicines already taken, even herbal or over-the-counter medicines.
  • Ask which warning signs mean urgent referral to hospital.

This roadmap is for education. A real diagnosis and treatment plan requires history, examination, and clinical judgment.

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Frequently Asked Questions

Is this article a replacement for a doctor?

No. It is educational content only. Patients should consult a qualified clinician for diagnosis and treatment.

When should I seek urgent care?

Seek urgent care for severe symptoms, rapidly worsening condition, breathing difficulty, severe pain, neurological changes, or any emergency warning sign.

References

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