One can cite a striking example: the peak therapeutic concentration for paracetamol on an empty stomach is reached after 40 minutes, and after the meal – after 2.5 hours. Some drugs can break down into its constituent parts: for example, acetylsalicylic acid – salicylic and on acetic acid. The acidic environment of the stomach can neutralize antibiotics such as erythromycin and ampicillin, cardiac glycosides. A number of medicines react with food components and soluble non-absorbable complexes. From this perspective, it makes no sense to take immediately after eating dairy tetracycline.
Calcium, which is assigned to many, including pregnant women, it is best to take before meals. Adopted after a meal, it can almost completely be associated acid plant foods or fatty foods. Remember, not only of the hours of medication, but also on their compatibility. It is estimated, for example, that the admission of three drugs threatens the development of adverse reactions in 15-25% of cases. If you take 5 – 6 drugs at once, without having consulted about the possibility of their combination, side effects may occur in approximately 80% of cases. – The content of some liners is difficult to understand, too difficult, they are composed. – Yes, from this, too, an error occurs, up to severe cases.
In addition, the doctor writes a few recommendations for action, and to do it necessarily. True, the specialist from whom you have visited, time of drug administration points in the recipe, but not as detailed as "15 minutes before a meal." Moreover, after buying drugs, you can stay without a prescription, a pharmacist is not up to consultation. So, gathering, and the clinic and the pharmacy, take a pen and notebook. – Are there any situations when you have to significantly deviate from the accepted standards of treatment? – Yes, often. One example – the disease of the gastrointestinal tract, pancreas, gall bladder and liver. In such cases, doctor prescribes a benign form of medication, such as after a meal. But most drugs administered intramuscularly or intravenously, are used in candles, under the tongue.