When a patient gets a drug, the pharmacist usually has to explain the time to take the drug, why this drug has to be taken before meals, and another can only be taken after meals, in the end what is the point? Vitamins after meals to increase the absorption rate “after meals” usually refers to 15-30 minutes after meals to take drugs, however, individual drugs need to be taken immediately after meals to facilitate the efficacy, such as metformin, Mitragynine pancreatic enzyme, spironolactone, etc. can be taken after meals. Common drugs need to be taken after meals and the following 1, antibacterial drugs: cefuroxime, cefpodoxime, itraconazole, ashwagandha, etc. 2, gastric mucous membrane protection drugs: teprenone, gefaltein. 3, vitamins: vitamin B2, vitamin B complex, multivitamins, vitamin E, vitamin AD, vitamin A, vitamin K. 4, drugs for liver disease: polyenophosphoryl choline. 5, diuretics: spironolactone, hydrochlorothiazide. 6, the treatment of epilepsy drugs: phenytoin sodium. 7, the treatment of osteoporosis drugs: tetraenolone (vitamin K2 one of the same kind of drugs). 8, urinary system drugs: tamsulosin. Digestive drugs can play a better role 1, digestive aid drugs: compound Azinomide, Mitragynine pancreatic enzyme, pancreatic enzyme, compound digestive enzyme, etc. 2.H2 receptor blocker: Famotidine. 3.Intestinal micro-ecological drugs: Bifidobacterium trisporus, Bifidobacterium live. 4.Biliary medicine: ursodeoxycholic acid. 5, ulcerative colitis treatment drugs: balsalazide sodium. 6, chronic renal failure drugs: packaged aldehyde starch. Analgesics taken after meals to reduce adverse reactions Some drugs are irritating to the stomach or have gastrointestinal adverse reactions, taken after meals, the food in the stomach can isolate the drug, so that the drug is slowly released, reducing nausea and vomiting and stomach discomfort and other adverse reactions. These are mainly the following: 1, antibacterial drugs: ciprofloxacin, ornidazole, metronidazole, doxycycline, flavopiridol, terbinafine, etc. 2, antipyretic and anti-inflammatory drugs: aspirin (ordinary tablets), indomethacin, meloxicam, diclofenac sodium, etc. 3.Muscle relaxants: Eperisone. 4.Anti-madness drugs: lithium carbonate. 5, affect cerebrovascular drugs: betahistine. 6, anti-thyroid hormone drugs: methimazole. 7.Anti-arrhythmic drugs: Propafenone. 8, other circulatory system drugs: sodium fructose diphosphate. 9: Expectorants: Ambroxol. 10: Asthma medicine: compound methoxynamine, aminophylline. 11: Hepatic drugs: ornithine menthylate, glycopyrrolate. 12: Urological drugs: sodium potassium hydrogen citrate. 13.Anti-platelet drugs: Beraprost sodium. 14.Electrolyte balance adjustment drugs: potassium magnesium menthylate, potassium chloride. 15.Ocular pressure lowering drugs: vinpocetine. 16.Orthopedic drugs: diacetin. 17.Iron tonic: ferrous sulfate, ferrous succinate, iron dextran, etc. 18.Immunosuppressants: Azathioprine. The time to take drugs varies from disease to drug The time to take drugs is not only based on the pharmacological effects of different drugs, drug absorption and metabolism and other characteristics, but also varies from person to person, and cannot be generalized, for example, metformin can be taken before meals when the patient can tolerate it, can not tolerate it can be taken during or after meals. H2 receptor blockers such as cimetidine and famotidine, taken after meals than before meals, because The absorption of ranitidine is not affected by food and there is no problem of taking it before or after meals. The time of taking aspirin varies from one dosage form to another. Regular aspirin tablets are required to be taken after meals to reduce the irritation to the stomach. However, the enteric coating is only soluble in alkaline liquid under normal circumstances, so taking it before meals is more conducive to the rapid dissolution and absorption of the drug into the intestine, reducing gastric irritation. Most proprietary Chinese medicines need to be taken after meals The time of taking Chinese medicines should be determined according to the condition and the nature of the medicine. Most of the drugs should be taken after meals, especially: 1) antiphlogistic drugs, such as those for cold and flu, should be taken at noon after meals; 2) stomachic agents, such as Baohe Pill, Jizhu Pill, Qingsha Yangzhi Pill and Jianzhu Pill, should be taken a few moments after meals, so that they can fully contact with food and achieve the effect of eliminating food and resolving stagnation; 3) spicy and stimulating drugs should be taken after meals, so as to prevent the deepening of the stomach mucosa and make them slowly absorbed. According to the drug instruction, the following Chinese patent medicines, such as Songling Blood and Vein Kang, Blood and Lipid Kang, Heart and Brain Shu Tong, Dior Heart and Blood Kang, Heart and Vein Tong, Seven Leaves Shenan, Kun Xian, Lei Gong Vine Multi-Glucoside, Red Gold Anti-Knot, An Kang Xin, Compound Soap and Alum, Strong Waist and Kidney, should be taken after meals.