Spruce Fir (Picea abies) needles and resin are rich in volatile terpenes (such as alpha-pinene and limonene), vitamin C, and resinous acids. In traditional European medicine, spruce needles are used as a powerful respiratory decongestant and expectorant. Pinene stimulates local bronchial circulation, thins thick bronchial mucus, and eases spasms, while the resin acts as a potent antimicrobial and wound-healing agent topically.
Educational information only — never stop or change a prescribed medication without talking to your prescriber first.
Generally safe. Avoid ingestion of concentrated essential oil. Discontinue topical resin use if contact allergy or skin redness develops. Avoid steam inhalation in patients with active asthma.
Evidence level: Moderate
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