Mixing drugs may lead to stronger effects, but it may also increase side effects and risks. Therefore, you must be very careful when mixing drugs. The following are some common drug combinations that may produce stronger effects in some cases, but be sure to use them under the guidance of a doctor: 1. **Opioids and nonsteroidal anti-inflammatory drugs (NSAIDs)**: Sometimes, to relieve pain, doctors may combine opioids (such as oxycodone) and NSAIDs (such as ibuprofen) to enhance the analgesic effect. 2. **Antidepressants and antianxiety drugs**: In some cases, doctors may prescribe antidepressants (such as selective serotonin reuptake inhibitors) and antianxiety drugs at the same time to better control mood and anxiety. 3. **Combined use of antibiotics**: In some cases of infection, doctors may use two or more antibiotics at the same time to cover a wider spectrum of bacteria and improve the treatment effect. 4. **Combination of drugs to treat high blood pressure**: Antihypertensive drugs with different mechanisms, such as ACE inhibitors and calcium channel blockers, can be used in combination to more effectively control blood pressure. Please note that mixing drugs may cause interactions and unexpected side effects. In any case, always use the drug under the guidance of a doctor to ensure safety and effectiveness.