Life, often people from time to time to eat some vitamins, and always thought, think nothing big, in fact, vitamins are also medicine, the same has its harm. And supplemental vitamins is not the more kinds of the better, not the more quantity of the better, for example, you check out the lack of a certain vitamin, then only supplement this kind of enough, there is no need to eat a multivitamin compound preparation. And don't take it for a long time, it's easy to get poisoned that way.

The above is about taking vitamins need to pay attention to matters, then we also said, vitamins are not eat more the better, eat more is also easy to poison. Different vitamin poisoning symptoms are also different, then are respectively what symptoms?

Vitamin A: It is mainly used to prevent dry eyes, night blindness medicine. Once poisoned, what will be the reaction? Acute poisoning symptoms are: drowsiness, headache, vomiting, optic papillary edema. Chronic poisoning symptoms include: dry, rough, ichthyosiform skin, hair loss, dry and cracked lips, itching, pain in the mouth and tongue, pestle fingers, bone hypertrophy, nystagmus, brittle nails, and if you go to the hospital for examination, you may also have hypercalcemia, hepatosplenomegaly and so on. If you have been taking vitamin A for a long time, then pay close attention to yourself, whether you have the above symptoms, if so, go to the hospital as soon as possible to find out the situation.B vitamins, taking too much vitamin B1, vitamin B2, niacin (vitamin B3), is also harmful. Large amounts of B1 can cause headaches, blurred vision, irritability, cardiac arrhythmias, edema, and nervousness. An overdose of niacin can also cause facial flushing, itchy skin, jaundice, low blood pressure, and even stomach ulcers. Vitamin C, in fact, has been called ? Universal antidote? It is detoxification, antitoxicity, prevention and treatment of colds and upper respiratory tract inflammation, promote cellular metabolism of the medicine, but if you eat too much, nausea and vomiting, diarrhea, abdominal pain, the heavier may be induced hematuria, kidney stones, and some will also reduce female fertility. Vitamin D, as we all know, it is used to combat rickets and osteoporosis, is a very wide range of health care drugs, but once you take an overdose or improper use, the consequences will be even more dangerous, it is the most likely that all the vitamins in the poisoning of a kind. Now there are a lot of children in the clinic, it is caused by a low fever, crying, anorexia and vomiting, weight loss, and so on, and this, a lot of mothers and fathers are not aware of. Vitamin E, its main function is to promote the growth of the body's tissue cells. Mainly used as infertility, habitual abortion, fatty liver, cardiovascular disease and skin disease prevention and treatment. If long-term overdose of such drugs, it can cause human overdevelopment, precocious puberty, muscle weakness, fatigue, headache and nausea and other adverse reactions.

Vitamins are indispensable to the human body, daily life must pay attention to their own diet, do not be too picky, partiality, and do not always eat some fine food, which are prone to vitamin deficiencies, as the so-called dietary supplements are better than medicine. For the special working environment of the crowd, appropriate supplementation is also necessary, but the medicine is three poisons, do not take a large number of long time, once too much or improper method, the same will bring some harm to themselves, and these injuries are completely unnecessary. Therefore, taking vitamins, must also pay enough attention to.