{
    "slug": "kidney-yang-deficiency",
    "name": "Kidney Yang Deficiency",
    "pinyin": "Shen Yang Xu",
    "chinese": "肾阳虚",
    "organ": "Kidney",
    "nature": "deficiency",
    "family": "yang-deficiency",
    "summary": "The Kidney's pilot light has burned low. The whole body runs cold: a cold aching low back, cold knees and feet, a pale face, clear urine that comes often and at night, low drive, and an exhaustion that is worse in winter. This is the opposite temperature from Kidney yin deficiency, and it needs the opposite formula.",
    "picture": "The Kidney holds the body's pilot light. When it burns low, nothing downstream gets warm: the back, the feet, the bladder, the bedroom. You can add all the water you like, and a cold stove still will not cook.",
    "signs": {
        "key": [
            "Cold, aching low back and knees",
            "Cold hands and feet, a cold lower body",
            "Frequent clear urine, waking at night to urinate",
            "Low sex drive, impotence, or infertility with a cold pattern",
            "Exhaustion, worse in winter and in the morning"
        ],
        "common": [
            "Pale or bright-white face",
            "Early morning diarrhea",
            "Swollen ankles",
            "A puffy, pale look",
            "Wanting warmth, a hot water bottle on the back",
            "Shortness of breath on effort",
            "Loose teeth and thinning hair in the deep, cold version"
        ],
        "tongue": "Pale, swollen, wet, with a white coat.",
        "pulse": "Deep, slow, and weak, especially at the rear positions."
    },
    "causes": [
        "Aging",
        "Long illness or long cold exposure",
        "Overwork and too little sleep",
        "Too much sexual activity over years",
        "A constitution that was cold from birth",
        "Long courses of cold or bitter medicines",
        "Spleen yang deficiency that sank into the Kidney"
    ],
    "tell_apart": [
        {
            "slug": "kidney-yin-deficiency",
            "how": "The mirror image. Yin deficiency is warm and dry: night sweats, hot palms, a red peeled tongue. Yang deficiency is cold and wet: cold back, clear urine, a pale wet tongue. The two base formulas differ by two herbs, cinnamon bark and aconite, and getting the temperature wrong makes the person worse."
        },
        {
            "slug": "spleen-yang-deficiency",
            "how": "Spleen yang deficiency is cold in the gut: cold belly, watery stools, undigested food. Kidney yang deficiency is cold in the back, knees, bladder, and bedroom. They often appear together."
        },
        {
            "slug": "kidney-essence-deficiency",
            "how": "Essence deficiency shows in structure: weak bones, early loose teeth, grey hair, slow growth. It can sit under either yin or yang deficiency."
        }
    ],
    "formulas": [
        {
            "slug": "jin-gui-shen-qi-wan",
            "role": "primary",
            "when": "The base formula for Kidney yang deficiency: Liu Wei plus cinnamon bark and processed aconite.",
            "pinyin": "Jin Gui Shen Qi Wan",
            "_links": {
                "self": "https://www.naturalherblibrary.com/api/v1/formula/jin-gui-shen-qi-wan",
                "html": "https://www.naturalherblibrary.com/formula/jin-gui-shen-qi-wan"
            }
        },
        {
            "slug": "you-gui-wan",
            "role": "stronger",
            "when": "A deeper, older deficiency: weak bones, loose teeth, infertility, with the full cold picture.",
            "pinyin": "You Gui Wan",
            "_links": {
                "self": "https://www.naturalherblibrary.com/api/v1/formula/you-gui-wan",
                "html": "https://www.naturalherblibrary.com/formula/you-gui-wan"
            }
        },
        {
            "slug": "er-xian-tang",
            "role": "menopause",
            "when": "Hot flashes with cold feet and a cold back: yang deficiency with heat on top, the classic menopausal mix.",
            "pinyin": "Er Xian Tang",
            "_links": {
                "self": "https://www.naturalherblibrary.com/api/v1/formula/er-xian-tang",
                "html": "https://www.naturalherblibrary.com/formula/er-xian-tang"
            }
        },
        {
            "slug": "zhen-wu-tang",
            "role": "with water",
            "when": "Swelling, puffy ankles, and watery stools from yang too weak to move fluids.",
            "pinyin": "Zhen Wu Tang",
            "_links": {
                "self": "https://www.naturalherblibrary.com/api/v1/formula/zhen-wu-tang",
                "html": "https://www.naturalherblibrary.com/formula/zhen-wu-tang"
            }
        }
    ],
    "herbs": [
        {
            "pinyin": "Fu Zi",
            "role": "Processed aconite relights the pilot light. Always processed, always in a formula, never alone.",
            "herb_slug": "common-monkshood-daughter-root-2",
            "_links": {
                "herb": "https://www.naturalherblibrary.com/api/v1/herb/common-monkshood-daughter-root-2",
                "html": "https://www.naturalherblibrary.com/herb/common-monkshood-daughter-root-2"
            }
        },
        {
            "pinyin": "Rou Gui",
            "role": "Cinnamon bark warms the Kidney and guides fire back to its source.",
            "herb_slug": "cassia-bark",
            "_links": {
                "herb": "https://www.naturalherblibrary.com/api/v1/herb/cassia-bark",
                "html": "https://www.naturalherblibrary.com/herb/cassia-bark"
            }
        },
        {
            "pinyin": "Du Zhong",
            "role": "Eucommia bark strengthens the low back and knees.",
            "herb_slug": "eucommia-bark-2",
            "_links": {
                "herb": "https://www.naturalherblibrary.com/api/v1/herb/eucommia-bark-2",
                "html": "https://www.naturalherblibrary.com/herb/eucommia-bark-2"
            }
        },
        {
            "pinyin": "Tu Si Zi",
            "role": "Cuscuta seed warms the Kidney gently.",
            "herb_slug": "dodder-seed",
            "_links": {
                "herb": "https://www.naturalherblibrary.com/api/v1/herb/dodder-seed",
                "html": "https://www.naturalherblibrary.com/herb/dodder-seed"
            }
        },
        {
            "pinyin": "Ba Ji Tian",
            "role": "Morinda warms the Kidney and the low back.",
            "herb_slug": "root-of-morinda-officinalis",
            "_links": {
                "herb": "https://www.naturalherblibrary.com/api/v1/herb/root-of-morinda-officinalis",
                "html": "https://www.naturalherblibrary.com/herb/root-of-morinda-officinalis"
            }
        },
        {
            "pinyin": "Yin Yang Huo",
            "role": "Epimedium, horny goat weed, warms Kidney yang and drive.",
            "herb_slug": "all-grass-of-longspur-epimedium",
            "_links": {
                "herb": "https://www.naturalherblibrary.com/api/v1/herb/all-grass-of-longspur-epimedium",
                "html": "https://www.naturalherblibrary.com/herb/all-grass-of-longspur-epimedium"
            }
        },
        {
            "pinyin": "Lu Rong",
            "role": "Deer antler velvet, the strongest yang and essence tonic.",
            "herb_slug": "hairy-deer-horn",
            "_links": {
                "herb": "https://www.naturalherblibrary.com/api/v1/herb/hairy-deer-horn",
                "html": "https://www.naturalherblibrary.com/herb/hairy-deer-horn"
            }
        },
        {
            "pinyin": "Bu Gu Zhi",
            "role": "Psoralea warms the Kidney and stops early-morning diarrhea.",
            "herb_slug": "fruit-of-malaytea-scurfpea",
            "_links": {
                "herb": "https://www.naturalherblibrary.com/api/v1/herb/fruit-of-malaytea-scurfpea",
                "html": "https://www.naturalherblibrary.com/herb/fruit-of-malaytea-scurfpea"
            }
        }
    ],
    "conditions": [
        "kidney-yang-deficiency",
        "kidney-deficiency",
        "low-back-pain",
        "frequent-urination",
        "impotence",
        "erectile-dysfunction",
        "infertility",
        "edema",
        "fatigue"
    ],
    "habits": [
        "Keep the low back and feet warm. A hot water bottle on the back in the evening.",
        "Warm cooked food: lamb, walnuts, chestnuts, ginger, cinnamon, black beans, leeks, bone broth. Nothing iced, nothing raw in cold weather.",
        "Sleep before eleven and sleep enough. Yang is rebuilt in the early morning hours.",
        "Gentle, warming movement every day: walking, qigong. Not exhausting training.",
        "Avoid cold drafts on the back and feet. The old doctors meant it."
    ],
    "watch": [
        "Cold feet and the cold back warm within two to four weeks.",
        "Night urination drops first, then daytime frequency.",
        "Morning energy improves over a month.",
        "The tongue loses its wet swollen look.",
        "Warming formulas can cause a dry mouth or restlessness if the dose is too high or yin is also low. Reduce the dose and reassess."
    ],
    "sources": [
        {
            "title": "Maciocia, The Foundations of Chinese Medicine, 3rd edition",
            "note": "Kidney yang deficiency."
        },
        {
            "title": "Bensky, Scheid, Ellis and Barolet, Chinese Herbal Medicine: Formulas and Strategies, 2nd edition",
            "note": "Jin Gui Shen Qi Wan, You Gui Wan, Zhen Wu Tang."
        }
    ],
    "meta": {
        "status": "published",
        "last_updated": "2026-10-12",
        "reviewed_by": null
    },
    "_links": {
        "html": "https://www.naturalherblibrary.com/pattern/kidney-yang-deficiency",
        "self": "https://www.naturalherblibrary.com/api/v1/pattern/kidney-yang-deficiency",
        "index": "https://www.naturalherblibrary.com/api/v1/patterns"
    }
}