It’s known as drug activity but most drugs also have undesirable side effects and adverse reactions and in some cases they can be quite dangerous.
A desired effect is why certain drugs are taken. It’s known as drug activity but most drugs also have undesirable side effects and adverse reactions and in some cases they can be quite dangerous. Some are unavoidable, others are expected and temporary, but generally every pharmaceutical medication has a known side effect so take with caution and if you experience any reaction discuss this with your doctor.