Why can t healthy people donate blood?

As long as you are sick, you can't do it, even if it's pain, cold, etc. Because when you are sick, the indicators of the human body will exceed the normal value. It must be on the basis of discontinuation of the drug for 1 week or 1 month (depending on the pharmacological effect). Otherwise, you are not giving but doing evil.

It is possible to donate blood, unless there is a medically prescribed disease.

I am not an expert and will only try my best to explain what I know.

It is not clear who the landlord refers to as a "healthy person", because "health" can be a very broad concept or a very narrow concept (hence the term "sub-health").

Some people, despite not having any medical conditions on medical examination, are highly susceptible to diseases (e.g., "smoking", "drugs"...... due to their personal behavioretc.), so they are included in the population that cannot donate blood;

Some people, who do not seem to have any disease on the surface, but carry some disease-causing virus or parasite in their body, are easy to transmit diseases through blood (such as hepatitis B virus, schistosomiasis, etc.), so they cannot donate blood in order to avoid infection;

Some people, because they have lived in some epidemic areas for a period of time, cannot donate blood ...... in order to avoid infection during the window period

Friends have more or less had the experience of donating blood, can help others, this feeling is still very happy, and donating blood can also help themselves, there is a saying that blood donation is conducive to the activation of the hematopoietic system, is conducive to reducing blood viscosity and improving immunity, etc., but these have not been confirmed.

Why are many doctors reluctant to donate blood, will it really cause harm to the body?

When not to donate bloodIn our lives, I believe that many people have donated blood, and many people also understand the requirements for blood donation, so today let's find out what conditions can not be donated.

The first is that patients with viral hepatitis or hepatitis are not allowed to donate blood, because such patients usually have these diseases in their blood, and these diseases are hereditary diseases. The second is that people at high risk of contracting the virus, such as drug addicts and homosexuals, are not allowed to donate blood, because of the disease carried in the blood, blood donation often causes others to contract the disease. The third is that patients with chronic diseases, especially those with infectious and allergic diseases, such as psoriasis, are not allowed to donate blood, which is due to the fact that there is also a history of hereditary diseases.

Fourthly, patients with certain diseases, such as radiation sickness and acute and chronic poisoning caused by harmful gases, are also not allowed to donate blood. Therefore, in our lives, we hope that everyone can understand their physical condition before donating blood.

That's all about what you can't donate. Therefore, when we do something in life, we can close our eyes and understand it first before we do it. For people who want to donate blood, it is important to understand why they cannot donate blood or why they cannot donate blood before donating blood.

1. People of inappropriate age are not able to donate blood, and minors under the age of 18; Seniors over the age of 55 cannot donate blood.

2. People whose weight is not up to standard cannot donate blood, and adult men who weigh less than 50kg cannot donate blood; Adult females weighing less than 45kg cannot donate blood.

3. Patients with hypertension cannot donate blood, male patients with systolic blood pressure greater than 145mmHg, and diastolic blood pressure greater than 95mmHg cannot donate blood; Adult females with systolic blood pressure greater than 140mmHg and diastolic blood pressure greater than 90mmHg cannot donate blood.

4. People who fail to pass various tests, including hepatitis B virus antibody, hepatitis C antibody, syphilis antibody and AIDS antibody test, are not able to donate blood.

Generally speaking, as long as it is a normal healthy person can donate blood, if the blood is not qualified, it is definitely not possible to donate blood, in addition, there may be some physical disorders, it is not recommended to donate blood, it is easy to cause a certain impact on the body. Generally speaking, diseases such as viral infections, such as sexually transmitted diseases, HIV and hepatitis, viral infection, allergic diseases, various infectious tuberculosis, cardiovascular diseases, digestive, endocrine and other diseases are not allowed to donate blood. If you feel unwell, you can wait until you are comfortable to donate blood.

Whether it is suitable for blood donation should be determined according to their own situation: 1. Whether the weight is enough for our standard, girls generally have a body weight of more than 90 kilograms, and men should reach more than 100 kilograms; 2. Then our blood pressure is generally at normal blood pressure, if your high pressure is lower than 90 and low pressure is lower than 60, then you must raise it again, and you can donate blood only after you are full of qi and blood; 3. Then there is age, too young and too old are not suitable for blood donation; 4. In addition, blood cannot be donated for infectious diseases; 5. There are also hereditary diseases, and there are some genetic diseases or genetic history; 6. There is also whether there is anemia, if there is anemia yourself, you should not donate blood; 7. In addition, some diseases of the blood system, such as myeloproliferative diseases, are not suitable for blood donation if the blood lipids are high and the aminotransferases are high.

People who are not suitable for donating blood are people who are anemic themselves, and are not suitable for donating blood. Because, that is more harmful to yourself, the second is that the period of cold is not suitable for blood donation, and there are some patients with infectious diseases or people with some chronic diseases are not suitable for blood donation.

Generally speaking, people with diseases, especially people with liver lesions, such as hepatitis, or infectious diseases, are definitely not able to donate blood, and people who are extremely weak are generally fine.

Those who are not able to donate blood include: People of the wrong age are not able to donate blood: minors under the age of 18 and the elderly over the age of 55 cannot donate blood; People who are not under the standard weight are not able to donate blood:

People weighing less than 50 kg for adult males and less than 45 kg for adult females are not allowed to donate blood; Hypertension.

of patients who are unable to donate blood: systolic blood pressure greater than 145 mmHg in adult males, diastolic blood pressure.

People larger than 95 mmHg are not able to donate blood, and adult women with systolic blood pressure greater than 140 mmHg and diastolic blood pressure greater than 90 mmHg cannot donate blood. Pregnant women and patients with various severe chronic diseases, allergic diseases, hematologic diseases, parasitic diseases, endocrine diseases, metabolic diseases, malignant tumors.

Those who have undergone major internal organ surgery and have a history of drug abuse cannot donate blood; People who fail liver function tests, hepatitis B virus surface antigen, hepatitis C antibody, syphilis antibody, and HIV antibody test are not allowed to donate blood.

Hello! People who are not in good health are not suitable for blood donation.

China's blood donation law stipulates that healthy citizens are encouraged to donate blood without compensation, but the following situations are not suitable for blood donation:

1. Elderly people under the age of 18 or over the age of 55 are generally not required to donate blood.

2. Adult males weighing less than 50kg, and adult females weighing less than 45kg are also not able to donate blood.

3. People with abnormal blood pressure are not able to donate blood.

4. If the transaminase test finds that the transaminase is elevated, you cannot donate blood.

5. If there is an abnormality in the blood picture, the person who has a routine blood test cannot donate blood.

6. If you are positive for hepatitis B surface antigen, hepatitis C antibody, syphilis antibody, or AIDS antibody, you cannot donate blood.

People who are too young or too old, who are not under the right weight, who are not in good health, or who carry pathogens that can be transmitted through blood, cannot donate blood.

There are requirements for age and health.

People who weigh less than 50kg for adult males and less than 45kg for adult females cannot donate blood, and people with abnormal blood pressure cannot donate blood.

If the aminotransferase test shows that the aminotransferase is elevated, the person who has an abnormal blood picture cannot donate blood.

People who are hepatitis B surface antigen positive, hepatitis C antibody positive, syphilis antibody positive, or HIV antibody positive cannot donate blood.

The following are not suitable for blood donation:

1. Whether the weight is enough for our standard, girls generally have a body weight of more than 90 pounds, and men must reach more than 100 pounds; 2. Then our blood pressure is generally at normal blood pressure, if your high pressure is lower than 90 and low pressure is lower than 60, then you must raise it again, and you can donate blood only after you are full of qi and blood; 3. Then there is age, too young and too old are not suitable for blood donation; 4. In addition, blood cannot be donated for infectious diseases; 5. There are also hereditary diseases, and there are some genetic diseases or genetic history; 6. There is also whether there is anemia, if there is anemia yourself, you should not donate blood; 7. In addition, some diseases of the blood system, such as myeloproliferative diseases, are not suitable for blood donation if the blood lipids are high and the aminotransferases are high.

The age group required by the state for blood donors is 18 55-year-old citizens, men weighing 50 kilograms, females weighing more than 45 kilograms. People with the following conditions should not donate blood. 1. Patients with infectious diseases, allergic diseases, tuberculosis, cardiovascular diseases, respiratory diseases, blood diseases, psychiatric diseases, parasitic diseases, tumors, and patients with major organ resection should not donate blood.

2. People who have tooth extraction or minor surgery within half a month should suspend blood donation. 3. Women who are 3 days before and after menstruation, during pregnancy, less than half a year after abortion, and less than 1 year after childbirth and lactation should not donate blood. 4. Patients with colds and gastrointestinal inflammation for less than 1 week and pneumonia patients for less than 3 months should suspend blood donation.

5. Patients with infectious diseases, such as dysentery, cannot donate blood within half a year of recovery, and within 1 year of recovery of typhoid fever. 6. Blood donation should be suspended if blood has been transfused or blood components within five years. 7. Blood should not be donated within half a year after major surgery.

Don't donate blood at an older age or too young. If you are younger than 18 years old and more than 55 years old, it is best not to donate blood. Pregnant and lactating women. People with various medical conditions are not suitable for blood donation.

There are many people who are not suitable for donating blood. For example, I have high blood pressure, heart disease. There are also people with anemia who are not suitable for blood donation, and most importantly, people with some infectious diseases are also not suitable for blood donation.

These people need to pay attention to the fact that although they have a love, they should not cause their own troubles because of blood donation.

The basic conditions for blood donation are that the body weight is up to the standard, the liver and kidney function and blood picture are normal, there is no blood-borne infectious disease and hyperlipidemia and hypertension, if there is hepatitis B or hepatitis C virus infection and syphilis and AIDS, tuberculosis and other infectious diseases patients can not donate blood, the best body does not have any abnormalities, the weight is up to the standard, and relevant examinations will be done before donating blood, if it is not up to standard, blood donation will not be allowed.

Who is not suitable for blood donation? First of all, there are some cardiovascular diseases, and people with anemia and people with particularly thick blood are not suitable for blood donation. Minors are also not suitable for blood donation.