But in clinical trials, some patients reported gastrointestinal problems, headaches and nausea.

Some women report mood changes, headaches or breast tenderness.

From the report, Picard hadn't been the only one on the dig reporting migraine-like headaches, though.

Some people have reported dizziness, headaches and other physical symptoms after daydreaming.

At relatively low dosages, a few participants reported headaches.

Many adolescents in the study reported headaches or difficulty sleeping.

The treatments took about a month to become effective, and while some patients reported headaches, none dropped out because of side effects.

Many users have reported headaches, eye strain, nausea, and other problems.

Some children also report mild stomachaches or headaches.

Some people have reported headaches, mood changes, rash, hives, diarrhea, and other symptoms.