المحاضرة الثالثة ادوية 1

In the name of God, the Most Gracious, the Most Merciful. Praise be to God, Lord of the Worlds, and peace and blessings be upon the noblest of creation and the master of messengers. We resume the third lecture on Drug Principles for General Drugs. In the second lecture, we discussed biological half-life. We will now continue with the topic of drug interactions.

Drug interactions refer to therapeutic or pharmacodynamic interactions. Often, when a doctor prescribes drugs to a patient, it's not usually just one drug, depending on the case. Sometimes, the condition requires the doctor to prescribe a group of medications. This could be an antibiotic, a blood sugar regulator, a heart regulator, blood pressure medication, or a diuretic.

The patient needs to take these medications together on the same day, sometimes at the same time. Sometimes, two or three pills are taken together, and this leads to drug interactions. These are interactions between drugs. These interactions, where the drugs are mixed together, generally affect the overall effectiveness of all the medications. For example, how does the patient...

I want to give him diclofenac, and we also want to give him renin, and we want to give him penicillin, and sometimes insulin. When we give these medications together, their effectiveness is affected. For example, some medications, like aspirin and codeine, if given together, produce a very strong effect. Sometimes this effect can be one

of three things: synergistic, adaptive, or antigenic. When we say that this medication doesn't work with that medication, it

means that I achieve the therapeutic or pharmacological effect when I give these two medications together. It's higher, better, and faster than when I give each medication separately. The case of score is 1 + 1 = 2 times 2. So, the effect is one, not two, but two and a half. Aspirin and codeine, when