《本草纲目》明确指出，鹿茸"无毒"。《名医别录》等许多古代药物学专著，也都一致认为鹿茸为无毒性药物。据报道，鹿茸口服后，一般无严重的副作用，偶尔有胃肠道障碍、皮肤潮红、瘙痒感、月经周期延长、恶心等症状，个别有一过性心动过速。有人用鹿茸作动物实验，发现在致敏以后，再次静脉注射，不引起过敏性休克。因此说，鹿茸是一味良好的强壮滋补药。
"Compendium of Materia Medica" made it clear that velvet "drug." "Doctors do not record" and many other ancient pharmacy monograph, also agreed that the velvet is non-toxic drugs. According to reports, antler oral, usually without serious side effects, occasional gastrointestinal disorders, skin flushing, itching, prolonged menstrual cycle, nausea and other symptoms, the individual has a transient tachycardia. Someone with velvet for animal experiments, found that allergens after intravenous injection once again, does not cause anaphylactic shock. So, to say, velvet is blindly good strong tonic.
虽然鹿茸不具毒性，但它是温热性药物，所以不能妄施滥投，而必须因人、因证而施。我国近代著名医学家曹炳章认为，鹿茸固然属补精填髓的补益佳品，但是，"服食不善，往往易发生吐血、衄血、尿血、目赤、头晕、中风昏厥等症。"这种说法，在于告诫进补者，应当辩证施补，合理用药，才能收效。否则，发生上述病症，实属难免。
Although the antler not toxic, but it is warmed drug, it can not be applied indiscriminately throw jump, but must be a person, due to the stock and facilities. Modern China famous physician Cao Bingzhang think, of course, belongs velvet fill complement fine marrow tonic to share, but "taking poor, often easy vomiting occurs, epistaxis, hematuria, red eyes, dizziness, fainting stroke, embolism." This statement , warned that the tonic who should fill the dialectical Shi, rational drug use, in order to be effective. Otherwise, the occurrence of the above conditions, it is inevitable.
一般来说，服用鹿茸应注意以下事项：
In general, taking the velvet should note the following:
1．外感疾病不宜服用无论外感风寒，还是外感风热，大凡邪在肌表，必有恶寒、恶风、发热、头痛、肢节疼痛等症状，这时，切忌服用鹿茸。
1. Exogenous disease should not be taken regardless of exogenous cold, or exogenous wind-heat, in almost all evil in the muscular form, there must be aversion to cold, evil wind, fever, headache, limb pain and other symptoms, then, should not take velvet.
2．肾有虚火者不宜服用临床见有干咳少痰、咯血、烦躁、唇赤舌绛、舌面光剥或干裂、津少口渴、两眼干涩昏花、午后潮热、两颧发红、盗汗，手足心热、脉象细数等症，均为肾阴不足，虚火旺盛所致，属于虚热证，若误用鹿茸等温补药，显然药不对证，必然造成助火劫阴，伤津耗液。轻者症情加剧，重者险证迭起。
2. Kidney virtual fire should not take clinical behold cough with little phlegm, hemoptysis, irritability, red tongue purple lips, tongue light peel or dry, Tianjin less thirsty, dry eyes dim, afternoon hot flashes, two zygomatic red, night sweats, dysphoria hot, pulse breakdown embolism, are insufficient yin, virtual fire exuberant caused belong hot Syndrome, if misused velvet isothermal tonic, medicine apparently does not permit, will inevitably lead to help the fire robbed yin, disability allowance consumption of fluid. Light disease conditions exacerbated severe insurance card after another.
3.内有实火者不宜服用大凡出现高热烦渴、目赤肿痛、痰黄、吐血、衄血、尿血、热毒疔疮痈疽、口苦、大便秘结、小便黄赤、脉象弦数洪大者，均为内有实火所致。苦以鹿茸进补，只能是抱薪救火，适得其反。
3. There are real fire inside should not take almost all high fever, thirst, red eyes and throat, yellow sputum, vomiting, epistaxis, hematuria, toxic heat boils ulcer, mouth pain, constipation, yellow urine, pulse a few strings loud person, inside there are caused by real fire. Bitter tonic with velvet, Baoxinjiuhuo only be counterproductive.
4.有高血压、肝病者须慎服用凡是高血压、肝炎及肝功能不全等病症，属于阴虚火旺或内有实火者，必须遵循医嘱，慎重服用，不可自行选用。
4. hypertension, liver disease to be careful taking any high blood pressure, hepatitis and liver dysfunction and other diseases, or belong to wang real fire inside who must follow the doctor's orders, taking careful, do not choose to use.
5.进补鹿茸及各种鹿茸制剂的禁忌服用鹿茸时最好不要喝茶、吃萝卜，尽量不要服用含有莱菔子、谷芽、麦芽和山楂等中药，因其会不同程度地削弱鹿茸的药力。
5. tonic and various taboos velvet antler velvet preparations taking best not to drink tea, eat carrots, try not to take contain radish seed, Guya, malt and hawthorn and other traditional Chinese medicine, because of varying degrees weakened antler drug.
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