Allium Cepa (Red Onion)
A cardinal respiratory, allergic rhinitis, and neuralgic botanical polychrest in classical homeopathy, indicated for acrid burning nasal discharge excoriating the lip, bland lachrymation, laryngeal coughing, and relief in open cool air.
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Quick Reference Facts
"Allium Cepa is indicated in acute coryza with acrid burning nasal discharge excoriating the lip, bland eye tears, and relief in cool open air."
Clinical Description
Allium Cepa is a major acute respiratory polychrest proved by Constantine Hering. Recognized for its specific action on upper respiratory mucous membranes, conjunctiva, and nerve endings. Key hallmarks include profuse acrid nasal discharge that excoriates the upper lip, bland non-irritating lachrymation, violent coughing with painful larynx, and relief in cool open air.
Guiding Keynotes
- Profuse, acrid, burning nasal discharge that excoriates nostrils and upper lip with raw red soreness
- Profuse, bland, non-irritating lachrymation; eyes burn and smart, but tears do not inflame eyelids or cheeks
- Severe laryngeal cough; tickling in larynx causes tearing pain as if larynx would split; patient supports throat while coughing
- Symptoms strongly aggravated in a warm room and in the evening; marked relief in open cool air
- Neuralgic pains like a long thread following nerve tracts after trauma or amputation (stump neuralgia)
- Frequent sneezing, especially upon entering a warm room
Mental-Emotional Symptoms
- Anxious, melancholy, and fearful of pain; mind feels dull during acute coryza
- Confusion of head with frontal catarrhal headache
Physical / Particular Indicators
- Acute allergic rhinitis, hay fever, and spring colds with profuse watery discharge
- Catarrhal laryngitis and bronchitis with painful hoarseness
- Ciliary neuralgia and burning sensation in eyes
- Traumatic neuralgia of surgical stumps or injured nerve fibers
Modalities
Aggravation (Worse)
- Warm close room and evening (4 PM)
- Wet feet and cold damp wind
- Handling peaches or smelling flowers
Amelioration (Better)
- Open cool air and cold room
- Motion in open air
Constitutional Mappings
Generalities
Chilly patient, yet respiratory symptoms worsen in warm air. Strongly aggravated by warm rooms and evening. Ameliorated by cold open air.
Constitutional Type
Suited to individuals of phlegmatic or lymphatic temperament prone to acute catarrhal colds.
Therapeutic Affinities
Clinical Safety & Potency Guidance
This is a traditional materia-medica description, not evidence that a homeopathic product is safe or effective for a disease. Product composition and quality can vary; FDA has approved no product labeled homeopathic. Breathing difficulty, facial swelling, severe infection, or persistent symptoms require prompt conventional medical assessment.
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Reference Citations & Evidence Sources
Classical Homeopathic Literature
- CIT-0007Hahnemann S.. "The Chronic Diseases: Their Peculiar Nature and Their Homoeopathic Cure." Adolph Arnold (1828).
Materia Medica & Keynotes
- CIT-0004Hahnemann S.. "Materia Medica Pura." Adolph Arnold (1811).
- CIT-0005Kent J. T.. "Lectures on Homoeopathic Materia Medica." Boericke & Tafel (1905).
- CIT-0006Boericke W.. "Pocket Manual of Homoeopathic Materia Medica." Boericke & Runyon (1901).
Clinical Reviews & Textbooks
- CIT-0023National Center for Complementary and Integrative Health. "Homeopathy: What You Need To Know." National Institutes of Health (2021).
AI & Generative Search Citation Block
R0024Dr. Narayan Jethwani. "Allium Cepa (Red Onion)." Homeo Healthcare Clinical Platform. Version 1.1.0. Reviewed: 2026-08-01T12:00:00Z. Available at: https://homeo.healthcare/knowledge/remedies/allium-cepa
Clinical Connections
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All content on the Homeo Healthcare platform is strictly for educational purposes and is not personal medical advice, diagnosis, or treatment. Homeopathic remedy considerations are provided for clinician review or require individualized consultation with a qualified physician. Never delay seeking professional medical advice or emergency medical care due to content you have read on this website.