Yes, there have been reports of suicidal thoughts or attempts with medications like atomoxetine in children. However, it is important to note that it is difficult to establish a direct cause and effect relationship. It is also important to consider that individuals with ADHD may already have an increased risk of suicidal thoughts. It is rare for these side effects to occur, and monitoring the individual's overall well-being while staying in communication with family members and seeking support from others is usually sufficient. The benefits of medication for ADHD typically outweigh the risks, as the effects of ADHD on learning, development, and social interactions are significant.