Onion
allium cepa
Medicinal Actions
Allergenic, Amebicide, Antiaggregant, Antiallergic, Antianaphylactic, Anti-asthmatic, Antiatherosclerotic, Antibacterial, Antiedemic, Antihistaminic, Antiinflammatory, Antimitotic, Antioxidant, Antiseptic, Antispasmodic, Antithromboxane, Antitoxigenic, Antitumor, Candidicide, Cardiotonic, Carminative, Choleretic, Cyclooxygenase Inhibitor, Decongestant, Diaphoretic, Diuretic, Emmenagogue, Expectorant, Fibrinolytic, Fungicide, Hypocholesterolemic, Hypoglycemic, Hypolipidemic, Hypotensive, Lipolytic, Antiasclerotic, Orexigenic, Parasiticide, Phospholipase Inhibitor, Protein-Kinase Inhibitor, Protisticide, Sedative, Stimulant, Stomachic, Tonic, Colic
Primary Conditions Treated
General Dosage
0.25–1 onion; 1 onion/day; 50 g fresh onion or 20 g dry onion; 10–20 ml bulb or leaf infusion; 1 tsp onion juice 3–4 ×/day; 4–5 tsp tincture/day; 4–5 tbsp onion syrup; 1–3 g powdered seed.
Safety & Contraindications
Class 1. Some idiopathic allergies. Allergic rhinoconjunctivitis and contact dermatosis reported. Feeding rats 1 g