Introduction:
Is it really impossible to take medicine on an empty stomach? Will there be any impact?
Taking medicine on an empty stomach will improve the absorption and utilization of some drugs that are easily affected by blood sugar concentration, such as laxatives, tonic Chinese medicines and certain antibiotics, but not all drugs are suitable for taking drugs on an empty stomach, so we should take the medicine correctly according to the instructions or doctor's advice.
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Doctors advices are to follow:
To put it simply, taking medicine on an empty stomach will improve the absorption and utilization rate of some drugs that are easily affected by blood sugar concentration, such as laxatives, tonic American medicines and certain antibiotics, but not all drugs are suitable for taking drugs on an empty stomach, so we should take the medicine correctly according to the instructions or doctor's advice.
When doctors prescribe medicine to patients, they will instruct patients how to take medicine and when to take medicine, which has a great impact on the maximum effect of the drug in the patient's body. So what does it mean if the instructions say that you can't take medicine on an empty stomach?
What is fasting:
"Fasting" refers to the absence of food in the stomach 1 to 2 hours before meals and 2 to 3 hours after meals. Without food in the abdomen, it will not affect the absorption of drugs in the gastrointestinal tract, greatly improving the absorption and utilization of some drugs that are easily affected by blood sugar concentrations.
So what medications are suitable for taking on an empty stomach?
Laxative: The drug magnesium sulfate is a laxative, the blood sugar concentration is not high on an empty stomach, the stomach absorbs the drug into the blood, and the drug concentration in the blood is relatively high, so that the drug will have a faster effect. And without food in the stomach, the laxative will not mix with the food to hinder the gastrointestinal absorption of the drug, and the rate of laxative absorption will be accelerated.
Tonic Chinese medicine: In winter, there are many kinds of soup ointments used for nourishment, such as Siwu soup, Shengmai drink, etc., which are suitable for taking before meals, and do not conflict with food digestion and absorption, and the absorption of nourishing drugs is also better.
Certain antibiotics: Some antibiotics such as cephalexin and norfloxacin should be taken on an empty stomach if they are mixed with food and are absorbed at a slower rate.
However, not all drugs are suitable for taking on an empty stomach. Some drugs require patients to "take medicine during meals" or "take medicine with meals", which means taking drugs during meals, because some drugs taken on an empty stomach are irritating to the stomach, and food enters the stomach to be digested and absorbed can reduce adverse reactions to the gastrointestinal mucosa. Sometimes it is also to increase the efficacy of drugs, drugs and food together in the stomach, can be better absorbed and utilized.
There are also some drugs that require "bedtime", such as tretinoin ointment is sensitive to light, if you take the drug and then bask in the sun, there may be a rash, and taking the drug before bedtime can avoid photosensitivity reactions. Some drugs control the time of taking the drug, which can make the peak of the drug effect and the peak of the body's metabolism, such as the lipid-modifying drugs clovastatin and simvastatin taken before bedtime, and the liver synthesizes cholesterol at night to adapt to the peak of cholesterol synthesis at night, which is conducive to enhancing the effect of the drug. There are also some drugs that have a central sedative effect, and if taken during the day, it will obviously have an impact on daily work and life, so they will also choose to take the drug before going to bed.
General doctors instruction:
The general doctor instructs to take medicine "three times a day", which does not mean that the patient's time to take the medicine is at the time of three meals, but refers to taking the drug three times within 24 hours, each time taking the drug 8 hours apart, generally normal is to take in the morning, noon and evening three periods. If you only blindly take the drug three times a day, it may lead to unbalanced drug taking interval, especially during the day, the blood drug concentration at night will be much lower than during the day, which is not conducive to the efficacy of the drug, not as good as antihypertensive drugs, if the blood concentration at night is too low, there may be large fluctuations in blood pressure at night, thereby aggravating the risk of nocturnal blood pressure.
Therefore, no matter what medicine is taken, patients should follow the doctor's advice and take the medicine on time. Whether it is required to "take medicine on an empty stomach", "take medicine before bed" or "take medicine during meals", it is for the drug to be better absorbed and utilized by the body, exert a better therapeutic effect, and let patients recover their health as soon as possible.
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