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ImmuneCited

Echinacea для Upper Respiratory Tract Infections

B

Cochrane-reviewed meta-analyses suggest echinacea may modestly reduce cold duration and severity when started at symptom onset. Daily prophylactic use may reduce cold risk. Individual trial effects are small but consistently positive across multiple preparations.

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B

Итог

Cochrane-reviewed meta-analyses suggest echinacea may modestly reduce cold duration and severity when started at symptom onset. Daily prophylactic use may reduce cold risk. Individual trial effects are small but consistently positive across multiple preparations.

Key Study Findings

Meta-Analysis n=3169
Efficacy and safety of Echinacea purpurea in treating upper respiratory infections and complications of otitis …
Dose: None или: Placebo Outcome: URTI treatment duration, incidence, antibiotic use Эффект: SMD=-0.19 (duration); RR=0.81 (incidence) <0.01

Популяция: Children with URTI and otitis media (9 RCTs)

Review
Plant-Based Support of Respiratory Health during Viral Outbreaks.
Dose: None или: None Outcome: None Эффект: None None

Популяция: None

Meta-Analysis
Echinacea for the prevention and treatment of upper respiratory tract infections: A systematic review and …
Dose: None или: Placebo Outcome: Upper respiratory tract infection Эффект: None None

Популяция: None

Meta-Analysis n=3135 13.0 weeks
Efficacy of vitamin C for the prevention and treatment of upper respiratory tract infection. A …
Dose: None или: Placebo Outcome: Upper respiratory tract infection Эффект: odds ratio = 0.75 p=0.07

Популяция: children

In Vitro
Prevention and Treatment of Influenza, Influenza-Like Illness, and Common Cold by Herbal, Complementary, and Natural …
Dose: None или: Placebo Outcome: Influenza and common cold prevention/treatment Эффект: None None

Популяция: General population with respiratory infections

Randomized Controlled Trial n=177 Double-blind
Antitussive effect of a fixed combination of Justicia adhatoda, Echinacea purpurea and Eleutherococcus senticosus extracts …
Dose: 30 ml/day или: placebo Outcome: cough relief, which was assessed as the change … Эффект: None None

Популяция: men

Key Statistics

20

Исследования

4000

Участники

Positive

B

Оценка

Referenced Papers

Journal of agricultural … 2022 9 цитирований
American family physician 2012
Alternative medicine review … 2007 163 цитирований
International journal of … 2007 41 цитирований
American journal of … 2006 51 цитирований
Journal of alternative … 2005 44 цитирований
Southern medical journal 2005 35 цитирований
Clinical evidence 2003
Clinical evidence 2003
American family physician 2002

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

Часто используемые дозировки

general:
300-500 mg standardized extract 3x/day
acuteuse:
At first sign of symptoms for 7-10 days

Верхний предел: No established UL; generally used for 10 days or less

Дозировки, изученные в исследованиях

Дозировка Длительность Эффект N
None -- Positive 3169
None -- Mixed --
None -- Positive --
None 13.0 weeks Mixed 3135
None -- Positive --
30 ml/day -- Positive 177
None -- Neutral --
None -- Mixed --

Лучшее время приёма: At first sign of symptoms; multiple doses throughout the day

Safety & Side Effects

Зарегистрированные побочные эффекты

  • Gastrointestinal upset (nausea, stomach pain)
  • Allergic reactions (especially in those allergic to daisies, ragweed)
  • Headache
  • Dizziness

Известные взаимодействия

  • Immunosuppressant medications (may counteract immunosuppression)
  • CYP3A4 substrates (may alter metabolism of various drugs)
  • Caffeine (may slow caffeine metabolism)
  • Anabolic steroids and methotrexate (increased hepatotoxicity risk)

Допустимый верхний уровень потребления: No established UL; generally used for 10 days or less

Всегда консультируйтесь с врачом перед началом приёма любых добавок.Всегда консультируйтесь с лечащим врачом перед началом приёма любой добавки.

Frequently Asked Questions

Does Echinacea help with Upper Respiratory Tract Infections?
Based on 20 studies with 4,000 participants, there is moderate evidence from clinical studies that Echinacea may support Upper Respiratory Tract Infections management. Our evidence grade is B (Good Evidence).
How much Echinacea should I take for Upper Respiratory Tract Infections?
Studies have used various dosages. A commonly studied range is 300-500 mg standardized extract 3x/day. Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Echinacea?
Reported side effects may include Gastrointestinal upset (nausea, stomach pain), Allergic reactions (especially in those allergic to daisies, ragweed), Headache, Dizziness. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Echinacea and Upper Respiratory Tract Infections?
We rate the evidence as Grade B (Good Evidence). This rating is based on 20 peer-reviewed studies with 4,000 total participants. The overall direction of effect is positive.

Related Evidence

Другие ингредиенты для Upper Respiratory Tract Infections

Отказ от ответственности FDA: Данные утверждения не были оценены Управлением по санитарному надзору за качеством пищевых продуктов и медикаментов (FDA). Продукты и информация на этом сайте не предназначены для диагностики, лечения, излечения или профилактики каких-либо заболеваний. Представленные оценки доказательности основаны на нашем анализе опубликованных рецензируемых исследований и не являются медицинской консультацией. Всегда консультируйтесь с лечащим врачом перед началом приёма любых добавок.