Common side effects of prescription medications can vary depending on the medication and the individual. However, some common side effects may include nausea, vomiting, diarrhea, dizziness, drowsiness, headache, dry mouth, blurred vision, and constipation. Other side effects may include changes in appetite or weight, changes in sleep patterns, mood changes, and skin rash. It's important to talk to your healthcare provider if you experience any side effects while taking a medication, as they may be able to adjust your dosage or switch you to a different medication. In some cases, severe side effects may require immediate medical attention.