论曰呕而欲吐。吐而无所出。故名干呕。此由阴阳不和，胃中虚气逆。上行不能下，故
有干呕之证。
治胃气逆。干呕恶心。参苓散方
人参 白茯苓（去黑皮） 藿香叶（各一两） 丁香枝 甘草（炙锉各半两） 葛根（锉
一两）
上六味。捣罗为散。每服二钱匕，沸汤点服，不拘时候。
治心胸痞闷，痰逆恶心。吞酸噫食。腹胁疼痛，肢体倦怠。和益脾胃，思进饮食，辟除
邪气。麝香平气丸方
麝香（别研） 木香 沉香 丁香 肉豆蔻（去壳） 丹砂（别研各半两） 槟榔（焙
锉） 桂（去粗皮） 浓朴（去粗皮涂姜汁炙） 乳香（生姜汁内煮软候冷别研如膏各一两）
半夏（汤洗七遍切焙干捣为末
上一十一味，除别捣研外，并捣罗为末。次入丹砂麝香，再研匀，将乳香半夏末，入生
姜汁，煮作薄糊，和前药硬软得所，丸如梧桐子大，每服十五丸至二十丸，食后温米饮下。
治胃气不和，干呕恶心，大补虚损。四倍散方
诃黎勒（煨去核一两） 人参（二两） 白茯苓（去黑皮四两） 白术（半斤）
上四味。捣罗为散。每服二钱匕，盐少许，沸汤点服。如欲煎，每服三钱匕，水一盏，
生姜五片，枣两枚劈破，同煎至七分，温服空心食前。
治干呕恶心。益津液，和胃气，生姜丸方
生姜（二斤和皮切作片子以盐三两淹一宿慢火焙干） 甘草（炙锉） 陈橘皮（汤浸去
白焙各四两
上七味，捣罗为末，以面糊和丸，如小弹子大，细研丹砂为衣，每服细嚼一丸。温酒下、
食前。
治干呕，和胃气，养津液，生姜汤方
生姜细（切丝十二两） 草豆蔻（去皮四两） 甘草（生锉半斤）
上三味。先捣草豆蔻甘草为末。同姜丝烂研匀，捏作饼子焙干，再捣罗为末，每服一大
钱，盐汤点服，空心食前
治干呕，除邪热，和胃进食，安中散方
小麦（炒黄四两） 干姜（锉炒一两） 甘草（炙） 陈曲（炒各半两）
上四味。捣罗为散。每服二钱匕，枣汤调下。
治干呕，和胃顺气，浓朴散方
浓朴（去粗皮一斤） 生姜（半斤去粗皮切焙） 大枣（一升去核焙） 甘草（四两）
上四味，用水三斗，煮尽水为度，烂捣拍作饼子，焙干再捣为散，每服一钱，沸汤点服
治干呕，和胃气，青橘散方
青橘皮（汤浸去白） 甘草（锉各一两） 木香（半两） 白芷（一分） 桂（去粗皮）
枳壳（去瓤麸炒各半
上六味。先将甘草炒微黄色，后入诸药同炒褐色，捣罗为末，每服二钱匕，入盐沸汤点
治干呕，和胃下气，木香散方
木香 丁香 檀香（各半两锉） 人参 沉香（锉） 白茯苓（去黑皮各一两） 甘草 槟
榔（锉各一
上八味，约水多少，慢火熬水尽，焙干捣罗为细末，每服一钱匕，入盐沸汤点。
治干呕，和调胃气，小丁沉丸方
丁香（半两） 沉香 甘草（炙） 缩砂仁 白芷（炒黄） 益智（去皮各一两） 木
香 香子（炒各半两） 陈橘皮（汤浸去白焙一两） 生姜（一斤细切入青盐四两拌匀淹
一宿焙干） 阿魏（一分用醋半升
上一十一味。除阿魏外，捣罗为末，入阿魏膏拌匀，醋煮面糊和丸，如鸡头实大，研丹
砂麝香各少许，同为衣，空心姜盐汤、嚼下一丸。
治干呕。和胃下气，草豆蔻汤方
草豆蔻（去皮） 藿香（用叶各半两） 丁香（一分） 白术（半两） 桂（去粗皮一
分） 枳壳（去瓤麸炒）
上八味，粗捣筛，每服三钱匕，水一盏，枣二枚劈破，粟米少许，同煎至六分，去滓食
前温服。
治胃腑虚寒，其气上逆，干呕不止，人参汤方
人参 陈橘皮（汤浸去白焙） 附子（炮裂去脐皮） 草豆蔻（去皮各一两） 半夏（汤
浸去滑生姜汁制） 白术（炒） 甘草（炙锉） 前胡（去芦头各三分） 干姜（炮） 桂
（去粗皮各半两）
上一十味，锉如麻豆，每服三钱匕，水一盏半，生姜五片，煎至八分，去滓温服。
治干呕烦闷。不入饮食，桂参汤方
桂（去粗皮） 人参（各半两） 浓朴（去粗皮姜汁炙） 缩砂仁（各一两） 白术（半
两） 陈橘皮（汤浸去
上八味。粗捣筛，每服三钱匕，水一盏，入粟米并枣，同煎至七分，去滓温服。
治胃气逆，干呕不止，和安汤方
陈橘皮（汤浸去白焙一斤） 甘草（炙锉二两） 干姜（炮半两）
上三味。粗捣筛，每服三钱匕，水一盏，煎至六分，去滓温服。
治干呕不下食，参粟汤方
人参（一两） 陈粟米（一两半） 生姜（切碎五两） 半夏（汤洗去滑七遍四两与生
姜同杵碎曝干）
上四味，同入银石锅中，慢火炒令焦黄，粗捣筛，每服三钱匕，水一盏，入生姜三片，
大枣二枚去核，同煎至七分，去滓微热服，空心食前。
治胃中不和，气逆干呕，饮食不下，顺气汤方
白术（二两） 白茯苓（去黑皮一两半） 人参（一两） 甘草（微炙三分）
上四味、 咀如麻豆大。每服三钱匕，水一盏，入姜枣同煎至七分，去滓温服，不拘时
候。
治干呕，气逆不止，开胃丸方
半夏曲（微炒三两） 白豆蔻（去皮） 白术 陈橘皮（汤浸去白焙各一两） 人参（一
两半）
上五味，捣罗为末，用生姜汁、煮枣肉和丸。如梧桐子大，每服二十丸，不计时候，粥
饮下，加至三十丸。
治干呕气逆。不下饮食。半夏丸方
半夏（汤洗七遍去滑焙干一两） 干姜（炮半两） 丁香（一分）
上三味。捣罗为末，用生姜汁和为丸，如绿豆大，每服十丸，米饮下，加至二十丸。
治胃冷干呕，手足厥逆。陈橘皮饮方
陈橘皮（汤浸去白焙四两） 甘草（炙） 缩砂仁 白芷（各二两）
上四味、粗捣筛。每服四钱匕，水一大盏，入生姜半分，同煎至七分，去滓不计时候温
服。
治胃气逆，干呕烦闷。胡椒汤方
胡椒（三七粒） 木香（二钱） 糯米（一合）
上三味同炒，以米熟为度，粗捣筛。分作三服，每服水一盏，煎至七分，去滓温服。
治干呕不止。陈橘皮饮方
陈橘皮（汤浸去白焙） 甘草（炙各二两） 草豆蔻（去皮五枚）
上三味，粗捣筛，每服四钱匕，水一大盏，入生姜半分切，同煎至七分，去滓不计时候
温服。
治干呕气逆，饮食不下，平气汤方
甘草（锉） 浓朴（去粗皮各四两） 干姜（刮净锉二两） 生姜（去皮切半斤） 大
枣（一百枚）
上五味。用水七升，同于银石器中煮，候枣熟剥去皮核。再煮候水尽。焙干粗捣筛。每
服三钱匕。水一盏，同煎至七分，去滓稍热服，不拘时。
Discussion: Vomiting with the urge to expel contents, yet nothing is expelled, is therefore termed "gan ou" (dry heaving). This condition arises from disharmony between Yin and Yang, where deficient Qi in the Stomach rebels upward. As it moves up but cannot descend, the syndrome of dry heaving occurs.
Formula for treating rebellious Stomach Qi causing dry heaving and nausea: Shen Ling San (Ginseng and Poria Powder)
Ren Shen (Radix Ginseng), Bai Fu Ling (Poria), Huo Xiang Ye (Agastache Leaf) [each 1 liang], Ding Xiang Zhi (Clove Twig), Gan Cao (Radix Glycyrrhizae, honey-fried and cut) [each 0.5 liang], Ge Gen (Puerariae Radix) [cut, 1 liang].
The above six herbs are crushed, sifted into a powder. Each dose consists of 2 qian bi (approx. 6-9g), taken by mixing with boiling water. It may be taken at any time.
Formula for treating chest and epigastric fullness, rebellious Phlegm Qi causing nausea, acid regurgitation, belching, abdominal and hypochondriac pain, and limb fatigue. Its functions are to harmonize and tonify the Spleen and Stomach, stimulate appetite, and dispel pathogenic factors. She Xiang Ping Qi Wan (Musk Regulating Qi Pill)
She Xiang (Moschus, separately ground), Mu Xiang (Aucklandiae Radix), Chen Xiang (Aquilariae Lignum Resinatum), Ding Xiang (Flos Caryophylli), Rou Dou Kou (Myristicae Semen, shell removed), Dan Sha (Cinnabaris, separately ground) [each 0.5 liang], Bing Lang (Arecae Semen, roasted and cut), Gui (Cinnamomi Ramulus, bark removed), Hou Po (Magnoliae Officinalis Cortex, bark removed, coated with ginger juice and roasted), Ru Xiang (Olibanum, boiled in ginger juice until soft, cooled and separately ground into paste) [each 1 liang], Ban Xia (Pinelliae Rhizoma, washed seven times in hot water, sliced, dried, and ground into powder).
The above eleven herbs, except those requiring separate crushing or grinding, are all crushed and sifted into powder. Then, Dan Sha and She Xiang are added and ground uniformly. The Ru Xiang and Ban Xia powders are mixed with fresh ginger juice and boiled into a thin paste, then combined with the other medicines to achieve appropriate consistency. Pills are made the size of Sophora seeds. Each dose is 15 to 20 pills, taken after meals with warm rice drink.
Formula for treating disharmony of Stomach Qi causing dry heaving and nausea, and for greatly tonifying deficiency: Si Bei San (Fourfold Powder)
He Li Le (Terminalia Chebula Fruit, roasted and pitted, 1 liang), Ren Shen (Radix Ginseng, 2 liang), Bai Fu Ling (Poria, outer skin removed, 4 liang), Bai Zhu (Atractylodis Macrocephalae Rhizoma, 0.5 jin).
The above four herbs are crushed and sifted into a powder. Each dose is 2 qian bi, taken with a small amount of salt and boiling water. If decocting, use 3 qian bi per dose, add one sheng of water, five slices of fresh ginger, and two cracked jujubes. Decoct until three-tenths remain, and take warm on an empty stomach or before meals.
Formula for treating dry heaving and nausea. Functions: replenishing body fluids and harmonizing Stomach Qi. Sheng Jiang Wan (Fresh Ginger Pill)
Sheng Jiang (Zingiberis Rhizoma Recens, 2 jin, sliced with peel, marinated overnight with 3 liang of salt, and slowly dried), Gan Cao (Radix Glycyrrhizae, honey-fried and cut), Chen Ju Pi (Citri Reticulatae Pericarpium, soaked in water, white pith removed, dried) [each 4 liang].
The above seven herbs are crushed and sifted into powder. Mixed with wheat paste to form pills the size of small marbles. Coated with finely ground Dan Sha (Cinnabaris). Each dose is one pill, chewed thoroughly, taken before meals with warm wine.
Formula for treating dry heaving. Functions: harmonizing Stomach Qi and nourishing body fluids. Sheng Jiang Tang (Fresh Ginger Decoction)
Sheng Jiang (Zingiberis Rhizoma Recens, sliced into strips, 12 liang), Cao Dou Kou (Alpiniae Katsumadai Semen, peeled, 4 liang), Gan Cao (Radix Glycyrrhizae, raw and cut, 0.5 jin).
The above three herbs. First, crush Cao Dou Kou and Gan Cao into powder. Grind them thoroughly together with the ginger strips until uniform. Shape into cakes and dry. Crush and sift into powder. Each dose is one da qian (approx. 3-5g), taken with salt water on an empty stomach or before meals.
Formula for treating dry heaving. Functions: clearing pathogenic heat, harmonizing Stomach Qi, and promoting food intake. An Zhong San (Middle-Soothing Powder)
Xiao Mai (Tritici Fructus Usitatus, stir-fried until yellow, 4 liang), Gan Jiang (Zingiberis Rhizoma, cut and stir-fried, 1 liang), Gan Cao (Radix Glycyrrhizae, honey-fried), Chen Qu (Massa Medicata Fermentata, stir-fried) [each 0.5 liang].
The above four herbs are crushed and sifted into powder. Each dose is 2 qian bi, taken with date water.
Formula for treating dry heaving. Functions: harmonizing Stomach Qi and directing Qi downward. Hou Po San (Magnolia Bark Powder)
Hou Po (Magnoliae Officinalis Cortex, bark removed, 1 jin), Sheng Jiang (Zingiberis Rhizoma Recens, 0.5 jin, bark removed, sliced and dried), Da Zao (Jujubae Fructus, 1 sheng, pitted and dried), Gan Cao (Radix Glycyrrhizae, 4 liang).
The above four herbs are boiled in three dou of water until the water is exhausted. They are then mashed into cakes, dried, and crushed into powder. Each dose is 1 qian, taken with boiling water.
Formula for treating dry heaving. Functions: harmonizing Stomach Qi. Qing Ju San (Green Tangerine Peel Powder)
Qing Ju Pi (Citri Reticulatae Pericarpium Viride, soaked in water, white pith removed), Gan Cao (Radix Glycyrrhizae, cut) [each 1 liang], Mu Xiang (Aucklandiae Radix, 0.5 liang), Bai Zhi (Angelicae Dahuricae Radix, 1 fen), Gui (Cinnamomi Ramulus, bark removed), Zhi Ke (Aurantii Fructus, pulp removed, bran-roasted) [each 0.5 liang].
The above six herbs. First, stir-fry Gan Cao until slightly yellow, then add the other herbs and stir-fry until brown. Crush and sift into powder. Each dose is 2 qian bi, taken with salt and boiling water.
Formula for treating dry heaving. Functions: harmonizing Stomach Qi and descending Qi. Mu Xiang San (Aucklandia Powder)
Mu Xiang (Aucklandiae Radix), Ding Xiang (Flos Caryophylli), Tan Xiang (Santalum Album Lignum) [cut, each 0.5 liang], Ren Shen (Radix Ginseng), Chen Xiang (Aquilariae Lignum Resinatum) [cut], Bai Fu Ling (Poria, outer skin removed) [each 1 liang], Gan Cao (Radix Glycyrrhizae), Bing Lang (Arecae Semen) [cut, each 1 liang].
The above eight herbs are simmered with sufficient water until dry. They are dried, crushed, and sifted into fine powder. Each dose is 1 qian bi, taken with salt and boiling water.
Formula for treating dry heaving. Functions: harmonizing Stomach Qi. Xiao Ding Chen Wan (Minor Clove and Agarwood Pill)
Ding Xiang (Flos Caryophylli, 0.5 liang), Chen Xiang (Aquilariae Lignum Resinatum), Gan Cao (Radix Glycyrrhizae, honey-fried), Suo Sha Ren (Amomi Fructus Rotundus), Bai Zhi (Angelicae Dahuricae Radix, stir-fried until yellow), Yi Zhi Ren (Alpiniae Oxyphyllae Fructus, peeled) [each 1 liang], Mu Xiang (Aucklandiae Radix), Xiang Zi (Baphicacanthis Semen, stir-fried) [each 0.5 liang], Chen Ju Pi (Citri Reticulatae Pericarpium, soaked in water, white pith removed, dried, 1 liang), Sheng Jiang (Zingiberis Rhizoma Recens, 1 jin, finely cut, mixed with 4 liang of green salt, marinated overnight, and dried), A Wei (Asafoetida, 1 fen, dissolved in half sheng of vinegar).
The above eleven herbs. Except for A Wei, the others are crushed and sifted into powder. Mix in the A Wei paste. Use vinegar-boiled wheat paste to form pills the size of Euryale seed. Coat with a little ground Dan Sha (Cinnabaris) and She Xiang (Moschus). Chew one pill on an empty stomach with ginger-salt water.
Formula for treating dry heaving. Functions: harmonizing Stomach Qi and descending Qi. Cao Dou Kou Tang (Alpinia Seed Decoction)
Cao Dou Kou (Alpiniae Katsumadai Semen, peeled), Huo Xiang (Agastaches Herba, leaves used) [each 0.5 liang], Ding Xiang (Flos Caryophylli, 1 fen), Bai Zhu (Atractylodis Macrocephalae Rhizoma, 0.5 liang), Gui (Cinnamomi Ramulus, bark removed, 1 fen), Zhi Ke (Aurantii Fructus, pulp removed, bran-roasted).
The above eight herbs are coarsely crushed and sieved. Each dose is 3 qian bi, added to one sheng of water, two cracked jujubes, and a little millet. Decoct until three-fifths remain. Strain and take warm before meals.
Formula for treating deficiency-cold of the Stomach Fu, rebellious Qi, and persistent dry heaving. Ren Shen Tang (Ginseng Decoction)
Ren Shen (Radix Ginseng), Chen Ju Pi (Citri Reticulatae Pericarpium, soaked in water, white pith removed, dried), Fu Zi (Aconiti Lateralis Radix Praeparata, roasted, split, and core removed), Cao Dou Kou (Alpiniae Katsumadai Semen, peeled) [each 1 liang], Ban Xia (Pinelliae Rhizoma, soaked in water to remove slipperiness, processed with ginger juice), Bai Zhu (Atractylodis Macrocephalae Rhizoma, stir-fried), Gan Cao (Radix Glycyrrhizae, honey-fried and cut), Qian Hu (Peucedani Radix, radicle removed) [each 3 fen], Gan Jiang (Zingiberis Rhizoma, roasted), Gui (Cinnamomi Ramulus, bark removed) [each 0.5 liang].
The above ten herbs are cut like hemp seeds. Each dose is 3 qian bi, added to one and a half sheng of water and five slices of fresh ginger. Decoct until four-fifths remain. Strain and take warm.
Formula for treating dry heaving with irritability and inability to eat. Gui Shen Tang (Cinnamon and Ginseng Decoction)
Gui (Cinnamomi Ramulus, bark removed), Ren Shen (Radix Ginseng) [each 0.5 liang], Hou Po (Magnoliae Officinalis Cortex, bark removed, ginger juice-roasted), Suo Sha Ren (Amomi Fructus Rotundus) [each 1 liang], Bai Zhu (Atractylodis Macrocephalae Rhizoma, 0.5 liang), Chen Ju Pi (Citri Reticulatae Pericarpium, soaked in water, white pith removed).
The above eight herbs are coarsely crushed and sieved. Each dose is 3 qian bi, added to one sheng of water, millet, and jujubes. Decoct until three-tenths remain. Strain and take warm.
Formula for treating rebellious Stomach Qi and persistent dry heaving. He An Tang (Harmonizing Peace Decoction)
Chen Ju Pi (Citri Reticulatae Pericarpium, soaked in water, white pith removed, dried, 1 jin), Gan Cao (Radix Glycyrrhizae, honey-fried and cut, 2 liang), Gan Jiang (Zingiberis Rhizoma, roasted, 0.5 liang).
The above three herbs are coarsely crushed and sieved. Each dose is 3 qian bi, added to one sheng of water. Decoct until three-fifths remain. Strain and take warm.
Formula for treating dry heaving and inability to ingest food. Shen Su Tang (Ginseng and Millet Decoction)
Ren Shen (Radix Ginseng, 1 liang), Chen Su Mi (Setaria Italica, 1.5 liang), Sheng Jiang (Zingiberis Rhizoma Recens, chopped, 5 liang), Ban Xia (Pinelliae Rhizoma, washed seven times in water to remove slipperiness, 4 liang, pounded together with fresh ginger until broken, then dried).
The above four herbs are placed in a silver or stone pot and slowly stir-fried until scorched yellow. Coarsely crushed and sieved. Each dose is 3 qian bi, added to one sheng of water, three slices of fresh ginger, and two pitted jujubes. Decoct until three-tenths remain. Strain and take slightly warm on an empty stomach or before meals.
Formula for treating disharmony in the Stomach, rebellious Qi causing dry heaving, and inability to digest food. Shun Qi Tang (Directing Qi Downward Decoction)
Bai Zhu (Atractylodis Macrocephalae Rhizoma, 2 liang), Bai Fu Ling (Poria, outer skin removed, 1.5 liang), Ren Shen (Radix Ginseng, 1 liang), Gan Cao (Radix Glycyrrhizae, lightly honey-fried, 3 fen).
The above four herbs are cut like hemp seeds. Each dose is 3 qian bi, added to one sheng of water with ginger and jujubes. Decoct until three-tenths remain. Strain and take warm. It may be taken at any time.
Formula for treating dry heaving and persistent rebellious Qi. Kai Wei Wan (Appetizing Pill)
Ban Xia Qu (Massa Medicata Fermentata cum Pinellia, lightly stir-fried, 3 liang), Bai Dou Kou (Cardamomi Rotundus Semen, peeled), Bai Zhu (Atractylodis Macrocephalae Rhizoma), Chen Ju Pi (Citri Reticulatae Pericarpium, soaked in water, white pith removed, dried) [each 1 liang], Ren Shen (Radix Ginseng, 1.5 liang).
The above five herbs are crushed and sifted into powder. Mixed with fresh ginger juice and cooked jujube flesh to form pills the size of Sophora seeds. Each dose is 20 pills, taken at any time with gruel drink. The dose may be increased to 30 pills.
Formula for treating dry heaving with rebellious Qi and inability to eat. Ban Xia Wan (Pinellia Pill)
Ban Xia (Pinelliae Rhizoma, washed seven times in water to remove slipperiness, dried, 1 liang), Gan Jiang (Zingiberis Rhizoma, roasted, 0.5 liang), Ding Xiang (Flos Caryophylli, 1 fen).
The above three herbs are crushed and sifted into powder. Mixed with fresh ginger juice to form pills the size of mung beans. Each dose is 10 pills, taken with rice drink. The dose may be increased to 20 pills.
Formula for treating cold-Stomach dry heaving with cold extremities. Chen Ju Pi Yin (Aged Tangerine Peel Drink)
Chen Ju Pi (Citri Reticulatae Pericarpium, soaked in water, white pith removed, dried, 4 liang), Gan Cao (Radix Glycyrrhizae, honey-fried), Suo Sha Ren (Amomi Fructus Rotundus), Bai Zhi (Angelicae Dahuricae Radix) [each 2 liang].
The above four herbs are coarsely crushed and sieved. Each dose is 4 qian bi, added to a large sheng of water and half a slice of fresh ginger. Decoct until three-tenths remain. Strain and take warm at any time.
Formula for treating rebellious Stomach Qi, dry heaving, and irritability. Hu Jiao Tang (Pepper Decoction)
Hu Jiao (Piperis Longi Fructus, 37 grains), Mu Xiang (Aucklandiae Radix, 2 qian), Nuo Mi (Oryza Sativa Glutinosa, one ge).
The above three herbs are stir-fried together until the rice is cooked. Coarsely crushed and sieved. Divide into three doses. For each dose, add one sheng of water and decoct until three-tenths remain. Strain and take warm.
Formula for treating persistent dry heaving. Chen Ju Pi Yin (Aged Tangerine Peel Drink)
Chen Ju Pi (Citri Reticulatae Pericarpium, soaked in water, white pith removed, dried), Gan Cao (Radix Glycyrrhizae, honey-fried) [each 2 liang], Cao Dou Kou (Alpiniae Katsumadai Semen, peeled, 5 fruits).
The above three herbs are coarsely crushed and sieved. Each dose is 4 qian bi, added to a large sheng of water and half a slice of chopped fresh ginger. Decoct until three-tenths remain. Strain and take warm at any time.
Formula for treating dry heaving with rebellious Qi and inability to eat. Ping Qi Tang (Regulating Qi Decoction)
Gan Cao (Radix Glycyrrhizae, cut), Hou Po (Magnoliae Officinalis Cortex, bark removed) [each 4 liang], Gan Jiang (Zingiberis Rhizoma, scraped clean and cut, 2 liang), Sheng Jiang (Zingiberis Rhizoma Recens, peeled and sliced, 0.5 jin), Da Zao (Jujubae Fructus, 100 fruits).
The above five herbs are boiled in seven sheng of water in a silver or stone vessel. When the jujubes are cooked, peel and pit them. Continue boiling until the water is exhausted. Dry and coarsely crush. Each dose is 3 qian bi, added to one sheng of water. Decoct until three-tenths remain. Strain and take slightly warm. It may be taken at any time.