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Medically reviewed by Last updated on Sep 8, 2019.

What are other common names?

  • Uritica dioica L.
  • Uritica dioica
  • Urtica urens L.
  • Urtica urens
  • Bichu
  • Common Nettles
  • Feuille d’Ortie
  • Graine d’Ortie
  • Grande Ortie
  • Great Stinging Nettle
  • Great Stinging Nettles
  • Nettle
  • Nettle Leaf
  • Nettle Seed
  • Nettle Worth
  • Ortie
  • Ortie Brûlante
  • Ortie des Jardins
  • Ortie Dioïque
  • Ortie Méchante
  • Ortiga
  • Prostaherb
  • Prostamon
  • Small Nettle
  • Small Nettles
  • Soii (Kashmiri)
  • Stinging Nettle
  • Stinging Nettles
  • Uritica
  • Uritica Plus
  • Urtica dioica
  • Urtica urens
  • Urticae Herba et Folium
  • Urticae Radix
  • Urtidin

What is this product used for?

Nettles is used by men to help with signs of an enlarged prostate. This is called benign prostatic hyperplasia or BPH. Others use it to help lower the pain that goes with arthritis. Some people will use nettles to help with a runny nose and other problems caused by allergies. Some people may use this product to lower their blood sugar.

What are the precautions when taking this product?

  • Always check with your doctor before you use a natural product. Some products may not mix well with other drugs or natural products.

  • Be sure to tell your doctor that you take this product if you are scheduled for surgery or tests.

  • Do not use this product if you are pregnant or plan to become pregnant soon. Use birth control you can trust while taking this product.

  • Do not take this product if you are breastfeeding.

  • Avoid beer, wine, and mixed drinks (alcohol) while taking this product.

  • Take extra care if you are taking drugs to thin your blood. These are drugs like warfarin (Coumadin), heparin, or enoxaparin (Lovenox).

  • Take extra care if you are taking drugs to dissolve blood clots. These are drugs like alteplase (Activase), reteplase (Retevase), or streptokinase.

  • Take extra care if you are taking drugs to help with swelling or inflammation. These are drugs like nonsteroidal anti-inflammatory drugs (NSAIDs), aspirin, ibuprofen (Advil), or naproxen (Naprosyn).

  • This product may cause you to be sleepy. Take extra care driving and doing tasks that you need to be alert for.

  • This product may cause you to pass more urine.

  • Take extra care and check with your doctor if you have:

    • Kidney problems

    • Bleeding problems

    • Blood pressure problems

    • Diabetes

    • Bipolar disorder

  • Keep hard candies, glucose tablets, liquid glucose, or juice on hand for low blood sugar.

What should I watch for?

  • Upset stomach

  • Burning

  • Sweating

  • Rash

  • Itching

When do I need to call the doctor?

  • Signs of a very bad reaction. These include wheezing; tightness in the chest; fever; itching; bad cough; blue skin color; seizures; or swelling of face, lips, tongue, or throat. Go to the ER right away.

  • Signs of low blood pressure. These include feeling dizzy, weak, or tired; fainting; more thirst; or skin that is pale, cool, and clammy.

  • Signs of low blood sugar. These include hunger, dizziness, shaking, a fast heartbeat, confusion, or sweating.

  • Very bad throwing up

  • Very bad belly pain

  • Very bad loose stools

  • No urine or problems passing urine

  • Bruising or bleeding that is not normal.

  • Changes in your menstrual periods like lots of bleeding, spotting, or bleeding between cycles.

Last Reviewed Date


Consumer information use

This information is not specific medical advice and does not replace information you receive from your healthcare provider. Only your healthcare provider has the knowledge and training to provide advice that is right for you. You should not rely on this information in deciding whether or not to use, or accept your healthcare provider’s advice regarding use of, any natural products or similar treatments, therapies, or life-style choices. This information does not endorse any natural products or similar treatments, therapies, or life-style choices as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information. It does NOT include all information about natural products, possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to you. You must talk with your healthcare provider for complete information about your health and treatment options.


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