Echinaforce (Echinacea purpurea)

Herbal immunostimulant for common cold prevention and treatment

OTC Herbal Immunostimulant Oral Solution
Active Ingredient
Echinacea purpurea (herb & root extract)
Manufacturer
A.Vogel (Bioforce AG)
Prescription Status
Over-the-counter (OTC)
Available Forms
Oral solution (drops)
Medically reviewed | Last reviewed: | Evidence level: 1A
Echinaforce is a herbal medicinal product containing a standardized extract of Echinacea purpurea (purple coneflower), made from both the fresh herb and root. It is one of the most widely studied echinacea preparations and is primarily used to support immune function and to prevent and treat symptoms of the common cold and upper respiratory tract infections. Available as oral drops without a prescription, Echinaforce has been the subject of multiple clinical trials demonstrating modest benefits for cold duration and severity.
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Written and reviewed by iMedic Medical Editorial Team | Specialists in clinical pharmacology

Quick Facts About Echinaforce

Active Ingredient
Echinacea purpurea
Herb & root extract
Drug Class
Herbal Immunostimulant
Traditional herbal medicine
Common Uses
Common Cold
Prevention & treatment
Available Forms
Oral Drops
Solution
Prescription Status
OTC
No prescription needed
Efficacy Evidence
26% Reduction
In recurrent cold episodes

Key Takeaways About Echinaforce

  • Herbal immune support: Echinaforce contains standardized Echinacea purpurea extract that stimulates innate immune responses through activation of macrophages and natural killer cells
  • Clinically studied: Large randomized controlled trials show Echinaforce can reduce cold episodes by 26% and total cold days by 18% when used preventively
  • Available without prescription: Sold over-the-counter in most countries as an herbal medicinal product for short-term use
  • Not for autoimmune conditions: Should not be used by individuals with autoimmune disorders, progressive systemic diseases, or those on immunosuppressive therapy
  • Time-limited use recommended: Acute treatment should not exceed 10 days; preventive use may continue for up to 4 months under guidance

What Is Echinaforce and What Is It Used For?

Echinaforce is a herbal medicinal product made from a standardized extract of Echinacea purpurea (purple coneflower). It is primarily used for the prevention and early treatment of the common cold and other upper respiratory tract infections, working by stimulating the body's innate immune response.

Echinaforce belongs to the category of herbal immunostimulants. Unlike conventional pharmaceutical drugs that target specific molecular pathways, Echinaforce works by broadly supporting the body's natural immune defense mechanisms. The product is manufactured by A.Vogel (Bioforce AG), a Swiss company specializing in herbal medicines, and contains a proprietary extract derived from freshly harvested Echinacea purpurea herb and root in a ratio of 95:5.

The active constituents of Echinaforce include alkylamides, which are lipophilic compounds that modulate immune cell activity; cichoric acid, a polyphenol with antioxidant and immunomodulatory properties; and polysaccharides, which stimulate macrophage activity. Together, these compounds enhance the function of macrophages, natural killer (NK) cells, and granulocytes, strengthening the body's first line of defense against viral and bacterial pathogens.

The European Medicines Agency (EMA) classifies Echinacea purpurea preparations as traditional herbal medicinal products, meaning their use is based on a combination of long-standing traditional use and supportive clinical evidence, rather than definitive clinical proof of efficacy. In several European countries, Echinaforce is registered as a traditional herbal medicine and is available over-the-counter in pharmacies.

Primary indications

Echinaforce is indicated for the following purposes based on its traditional use and clinical evidence:

  • Prevention of the common cold: When taken prophylactically, Echinaforce may reduce the frequency and duration of upper respiratory tract infections
  • Early treatment of cold symptoms: Initiated at the first signs of a cold (sore throat, sneezing, nasal congestion), it may shorten the duration and lessen the severity of symptoms
  • Immune support during high-risk periods: Some individuals use it during winter months or periods of increased exposure to respiratory infections
Important to understand:

Echinaforce is not a cure for the common cold or influenza. It is intended to support the immune system and may modestly reduce the duration and severity of symptoms. It should not be used as a replacement for vaccination, particularly against influenza or COVID-19, and should not be relied upon for treating serious infections.

How does Echinaforce work in the body?

The mechanism of action of Echinaforce is multifaceted and primarily involves the stimulation of the innate (non-specific) immune system. Research has identified several key pathways through which the active constituents exert their effects:

Alkylamides are rapidly absorbed after oral administration and interact with cannabinoid type 2 (CB2) receptors on immune cells. This interaction modulates the production of pro-inflammatory cytokines such as tumor necrosis factor alpha (TNF-alpha) and interleukins (IL-6, IL-8), helping to regulate the inflammatory response during infection. Alkylamides also stimulate phagocytic activity, enhancing the ability of macrophages and neutrophils to engulf and destroy pathogens.

Cichoric acid acts as a potent antioxidant, protecting immune cells from oxidative damage during the inflammatory response. It also stimulates phagocytosis and has been shown in vitro to inhibit viral adhesion to cell surfaces, potentially reducing the ability of respiratory viruses to establish infection.

Polysaccharides from Echinacea purpurea activate macrophages through interaction with toll-like receptors (TLRs), particularly TLR4. This activation leads to the production of reactive oxygen species and nitric oxide, which are directly antimicrobial. Additionally, activated macrophages release cytokines that recruit and activate other immune cells, amplifying the overall immune response.

What Should You Know Before Taking Echinaforce?

Before taking Echinaforce, you should be aware that it is contraindicated in autoimmune disorders, progressive systemic diseases, and for children under 12 years. People allergic to plants in the Asteraceae (daisy) family should avoid it. Consult your healthcare provider if you are pregnant, breastfeeding, or taking immunosuppressive medications.

Although Echinaforce is a herbal product available without prescription, it is not suitable for everyone. As with any medicine, there are important contraindications, warnings, and precautions to be aware of before starting treatment. Understanding these factors will help ensure safe and effective use.

Contraindications

Echinaforce should not be used in the following situations:

  • Autoimmune disorders: Conditions such as multiple sclerosis, systemic lupus erythematosus (SLE), rheumatoid arthritis, and other autoimmune diseases. Stimulating the immune system may worsen these conditions
  • Progressive systemic diseases: Tuberculosis, leukemia, collagenoses, HIV/AIDS, and other conditions affecting the immune system
  • Allergy to Asteraceae family: Individuals with known hypersensitivity to plants in the daisy family (Asteraceae/Compositae), which includes chamomile, ragweed, chrysanthemums, marigolds, and daisies
  • Children under 12 years: Due to insufficient safety data in younger children, use is not recommended without specific medical advice
  • Known hypersensitivity: To any of the active substances or excipients in the product
Important Warning

If you experience signs of an allergic reaction after taking Echinaforce, such as skin rash, swelling of the face, lips, tongue, or throat, or difficulty breathing, stop taking the product immediately and seek medical attention. Severe allergic reactions (anaphylaxis) have been reported with echinacea products, though they are rare.

Warnings and Precautions

Exercise caution and consult your healthcare provider before using Echinaforce if you have any of the following conditions or circumstances:

  • Atopic individuals: People with a history of asthma, allergic rhinitis, or eczema may be at higher risk of allergic reactions to echinacea products
  • Liver disease: Some echinacea products contain ethanol as an excipient; the oral solution form of Echinaforce contains alcohol, which should be considered by individuals with liver conditions or alcohol dependence
  • Diabetes: Some formulations may contain sugars or alcohol that could affect blood glucose management
  • Upcoming surgery: It is generally recommended to discontinue echinacea products at least 2 weeks before scheduled surgery due to potential effects on immune function and possible interactions with anesthetics
  • Organ transplant recipients: Immunostimulation could theoretically increase the risk of organ rejection in transplant patients

If symptoms persist for more than 10 days during acute use, or if symptoms worsen, you should discontinue Echinaforce and consult a healthcare professional. Persistent cold symptoms may indicate a secondary bacterial infection or another condition requiring conventional medical treatment.

Pregnancy and Breastfeeding

The safety of Echinaforce during pregnancy and breastfeeding has not been fully established. While a prospective cohort study published in the Archives of Internal Medicine (Gallo et al., 2000) found no increased risk of major malformations among 206 women who used echinacea during the first trimester, the data remains limited.

The EMA's Committee on Herbal Medicinal Products (HMPC) advises that echinacea preparations should not be used during pregnancy or breastfeeding due to insufficient safety data. If you are pregnant, planning to become pregnant, or breastfeeding, consult your healthcare provider before using Echinaforce.

There is no data on the excretion of Echinacea purpurea constituents into breast milk. As a precautionary measure, breastfeeding women should avoid using Echinaforce unless specifically advised by a healthcare professional.

How Does Echinaforce Interact with Other Drugs?

Echinaforce may interact with immunosuppressant medications by opposing their effects. It can also affect drugs metabolized by CYP3A4 and CYP1A2 liver enzymes. While most interactions are theoretical or of minor clinical significance, individuals taking immunosuppressive therapy should avoid Echinaforce.

Drug interactions with herbal products are an important but often underappreciated area of pharmacology. Because Echinaforce modulates immune function and may affect hepatic cytochrome P450 enzymes, it has the potential to interact with several categories of conventional medications. The clinical significance of most of these interactions is considered low to moderate, but awareness is essential for safe use.

Major Interactions

The following interactions are considered clinically significant and may require avoidance of Echinaforce or close medical supervision:

Major Drug Interactions with Echinaforce
Drug / Drug Class Interaction Mechanism Clinical Effect Recommendation
Cyclosporine Immunostimulation opposes immunosuppressive effect; possible CYP3A4 inhibition Reduced immunosuppression; risk of organ rejection Avoid combination
Tacrolimus Immunostimulation opposes immunosuppressive effect Reduced immunosuppression; risk of organ rejection Avoid combination
Methotrexate Immunostimulation may oppose immunosuppressive action; potential hepatotoxicity Altered immunosuppressive efficacy; increased liver toxicity risk Avoid combination
Corticosteroids (systemic) Opposing pharmacological effects on immune system Reduced efficacy of either agent Consult healthcare provider

Minor Interactions

The following interactions are considered of lower clinical significance but should still be noted:

Minor Drug Interactions with Echinaforce
Drug / Drug Class Interaction Mechanism Clinical Effect Recommendation
CYP3A4 substrates (e.g., midazolam, statins) Mild CYP3A4 inhibition by alkylamides Potentially increased plasma levels of substrate drugs Monitor; clinical significance likely low
CYP1A2 substrates (e.g., caffeine, theophylline) Mild CYP1A2 inhibition reported in some studies Potentially increased plasma levels of substrate drugs Monitor; clinical significance likely low
Warfarin Theoretical CYP interaction; no significant clinical data Theoretical alteration of INR Monitor INR more frequently if used concurrently
Paracetamol (acetaminophen) No known significant interaction No significant interaction expected Safe to use concurrently
Always inform your healthcare provider:

If you are taking any prescription or over-the-counter medications, inform your doctor or pharmacist before starting Echinaforce. This includes other herbal products and dietary supplements, as interactions between herbal products can also occur.

What Is the Correct Dosage of Echinaforce?

The typical adult dose of Echinaforce drops is 20 drops three times daily for prevention, or up to 20 drops five times daily for acute treatment of cold symptoms. Drops should be diluted in a small amount of water. Treatment duration should not exceed 10 days for acute use.

The dosage of Echinaforce depends on whether it is being used for prevention or for acute treatment of cold symptoms. As a herbal medicine, dosage recommendations may vary between product formulations and regulatory jurisdictions. Always follow the dosage instructions on the product packaging or as directed by your healthcare provider.

Adults

Prevention (Prophylactic Use)

Dose: 20 drops (approximately 0.9 mL) three times daily

Duration: Up to 4 months during high-risk periods (e.g., autumn and winter)

Administration: Dilute drops in a small amount of water (approximately 50 mL) and take before meals

Acute Treatment

Dose: 20 drops five times daily at the first sign of cold symptoms

Duration: Maximum 10 days. If symptoms persist, consult a healthcare provider

Administration: Dilute drops in a small amount of water; take at regular intervals throughout the day

Children

Echinaforce is not generally recommended for children under 12 years of age due to limited safety data in this population. In children, the immune system is still developing, and the effects of immunostimulants may differ from those in adults. Furthermore, there have been reports of allergic reactions to echinacea products in children, including skin rash and, rarely, more severe hypersensitivity reactions.

For adolescents aged 12 years and older, the adult dosage can generally be followed, but it is advisable to consult a healthcare provider before use. Some jurisdictions may have specific formulations or lower-dose products approved for older children; always check the product label for age-specific guidance.

Elderly

No specific dose adjustment is required for elderly patients. However, elderly individuals should be aware that immune function naturally changes with age (immunosenescence), and the response to immunostimulants may differ. Additionally, older adults are more likely to be taking multiple medications, increasing the potential for drug interactions. A healthcare provider should be consulted before starting Echinaforce, particularly if the individual is taking immunosuppressive medications or has chronic health conditions.

Missed Dose

If you forget to take a dose of Echinaforce, take it as soon as you remember. If it is nearly time for your next scheduled dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for a missed one. Because Echinaforce is a supportive herbal product rather than a critical medication, missing an occasional dose is unlikely to have significant consequences.

Overdose

There are no well-documented cases of serious toxicity from Echinaforce overdose. However, excessive intake of echinacea preparations may cause gastrointestinal symptoms such as nausea, stomach pain, and diarrhea. In cases of accidental ingestion of large amounts, symptomatic treatment is appropriate.

If you suspect you have taken significantly more than the recommended dose and are experiencing unusual symptoms, contact your local poison control center or seek medical advice. The alcohol content of the oral solution should also be considered in cases of large ingestions, particularly in children or individuals with liver disease.

Echinaforce Dosage Summary
Patient Group Prevention Dose Acute Treatment Dose Duration
Adults (18+ years) 20 drops 3 times daily 20 drops 5 times daily Up to 4 months (prevention); max 10 days (acute)
Adolescents (12-17 years) 20 drops 3 times daily 20 drops 5 times daily Consult healthcare provider
Children (<12 years) Not recommended Not recommended Consult healthcare provider
Elderly 20 drops 3 times daily 20 drops 5 times daily Same as adults; review medications

What Are the Side Effects of Echinaforce?

Echinaforce is generally well tolerated. Common side effects include mild gastrointestinal symptoms such as nausea and stomach discomfort. Uncommon side effects include skin rash and itching. Rare but serious allergic reactions, including anaphylaxis, have been reported with echinacea products, particularly in individuals allergic to the Asteraceae plant family.

Like all medicines, including herbal products, Echinaforce can cause side effects, although not everybody gets them. Clinical trials and post-marketing surveillance have identified the following side effects associated with Echinacea purpurea preparations. The frequency categories used below follow the standard medical classification system.

Common

May affect up to 1 in 10 people

  • Nausea
  • Stomach discomfort or pain
  • Mild gastrointestinal upset

Uncommon

May affect up to 1 in 100 people

  • Skin rash
  • Itching (pruritus)
  • Headache
  • Dizziness
  • Diarrhea

Rare

May affect up to 1 in 1,000 people

  • Allergic skin reactions (urticaria, eczema)
  • Facial swelling (angioedema)
  • Bronchospasm
  • Dyspnea (shortness of breath)

Very Rare

May affect up to 1 in 10,000 people

  • Anaphylaxis (severe allergic reaction)
  • Stevens-Johnson syndrome (isolated case reports)
  • Erythema multiforme

The risk of allergic reactions is higher in atopic individuals (those with a personal or family history of asthma, allergic rhinitis, or eczema) and in people with known allergy to Asteraceae plants. A systematic review by Huntley et al. (2005) published in the Annals of Allergy, Asthma & Immunology identified echinacea as a potential cause of allergic reactions, including four cases of anaphylaxis reported in Australia.

If you experience any side effects, particularly allergic symptoms such as rash, swelling, or difficulty breathing, stop taking Echinaforce immediately and seek medical advice. You can also report side effects directly to your national medicines regulatory authority (for example, the Medicines and Healthcare products Regulatory Agency [MHRA] in the UK, or the FDA MedWatch program in the United States).

Seek immediate medical attention if you experience:

Difficulty breathing, swelling of the face, lips, tongue or throat, severe skin rash with blistering, rapid heartbeat, or feeling faint after taking Echinaforce. These could be signs of a serious allergic reaction requiring emergency treatment.

How Should You Store Echinaforce?

Store Echinaforce at room temperature (below 25°C/77°F) in the original packaging, protected from light and moisture. Keep out of the reach and sight of children. Do not use after the expiry date printed on the packaging. Once opened, use within the timeframe specified on the product label.

Proper storage of Echinaforce is important to maintain the stability and potency of the herbal extract. Echinacea purpurea contains bioactive compounds, particularly alkylamides and cichoric acid, that can degrade if exposed to adverse conditions. Follow these storage guidelines to ensure the product remains effective throughout its shelf life:

  • Temperature: Store at room temperature, typically below 25°C (77°F). Do not freeze or refrigerate unless specifically instructed on the packaging
  • Light: Keep the bottle in the original carton or away from direct sunlight, as UV light can degrade the active compounds
  • Moisture: Store in a dry place, away from humid environments such as bathrooms
  • Children: Keep out of the reach and sight of children to prevent accidental ingestion
  • After opening: Once opened, the solution should be used within the timeframe specified on the product label (typically 3 to 6 months). Note any changes in color, smell, or appearance
  • Expiry date: Do not use Echinaforce after the expiry date shown on the packaging. The expiry date refers to the last day of that month

Do not dispose of medicines via wastewater or household waste. Ask your pharmacist about the proper disposal of medicines you no longer use. These measures help to protect the environment.

What Does Echinaforce Contain?

Echinaforce oral solution contains a standardized extract of Echinacea purpurea (fresh herb and root) as the active ingredient, with ethanol (alcohol) as the primary excipient. The extract is prepared from freshly harvested plants in a herb-to-root ratio of 95:5.

Active ingredients

The active substance in Echinaforce is a hydroethanolic extract of fresh Echinacea purpurea (L.) Moench, prepared from the aerial parts (herb) and roots of the purple coneflower plant. The extract is standardized to contain consistent levels of the key bioactive compound groups:

  • Alkylamides (alkamides): Lipophilic compounds responsible for the characteristic tingling sensation on the tongue. These are the primary immunomodulatory agents and are rapidly absorbed orally
  • Cichoric acid: A caffeic acid derivative with antioxidant and immunostimulant properties
  • Polysaccharides: High-molecular-weight compounds that stimulate macrophage activity
  • Glycoproteins: Contribute to the immunomodulatory effects

The use of freshly harvested plant material (rather than dried material) is a distinguishing feature of Echinaforce. The manufacturer states that this approach preserves a broader spectrum of bioactive compounds compared to dried-plant extracts, although this claim is debated in the scientific literature.

Excipients (inactive ingredients)

The oral solution form of Echinaforce contains the following excipient:

  • Ethanol (alcohol): Used as the extraction solvent and preservative. The concentration varies by product formulation but is typically around 65% v/v. This is an important consideration for individuals who avoid alcohol for medical, religious, or personal reasons, as well as for those with liver disease or alcohol dependence
Note about alcohol content:

The recommended dose of Echinaforce drops (20 drops = approximately 0.9 mL) contains a small absolute amount of ethanol. However, individuals who must strictly avoid alcohol should be aware of this content and may wish to discuss alternative formulations (such as tablets) with their healthcare provider or pharmacist.

Frequently Asked Questions About Echinaforce

Medical References

All medical information is based on peer-reviewed research and international guidelines. Evidence level: 1A (systematic reviews and randomized controlled trials).

  1. Jawad M, Schoop R, Suter A, Klein P, Eccles R. Safety and efficacy profile of Echinacea purpurea to prevent common cold episodes: a randomized, double-blind, placebo-controlled trial. Evidence-Based Complementary and Alternative Medicine. 2012;2012:841315. doi:10.1155/2012/841315
  2. Karsch-Volk M, Barrett B, Kiefer D, Bauer R, Ardjomand-Woelkart K, Linde K. Echinacea for preventing and treating the common cold. Cochrane Database of Systematic Reviews. 2014;(2):CD000530. doi:10.1002/14651858.CD000530.pub3
  3. European Medicines Agency (EMA). Community herbal monograph on Echinacea purpurea (L.) Moench, herba recens. Committee on Herbal Medicinal Products (HMPC). EMA/HMPC/48704/2018.
  4. World Health Organization (WHO). WHO Monographs on Selected Medicinal Plants: Herba Echinaceae Purpureae. Geneva: WHO; 1999.
  5. European Scientific Cooperative on Phytotherapy (ESCOP). ESCOP Monographs: Echinaceae purpureae herba. 2nd ed. Stuttgart: Thieme; 2003.
  6. Huntley AL, Thompson Coon J, Ernst E. The safety of herbal medicinal products derived from Echinacea species: a systematic review. Drug Safety. 2005;28(5):387-400.
  7. Gallo M, Sarkar M, Au W, et al. Pregnancy outcome following gestational exposure to echinacea: a prospective controlled study. Archives of Internal Medicine. 2000;160(20):3141-3143.
  8. Woelkart K, Linde K, Bauer R. Echinacea for preventing and treating the common cold. Planta Medica. 2008;74(6):633-637.
  9. Shah SA, Sander S, White CM, Rinaldi M, Coleman CI. Evaluation of echinacea for the prevention and treatment of the common cold: a meta-analysis. The Lancet Infectious Diseases. 2007;7(7):473-480. doi:10.1016/S1473-3099(07)70160-3
  10. British National Formulary (BNF). Herbal medicines: Echinacea. National Institute for Health and Care Excellence (NICE). Accessed 2026.

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