my son is on 20mg focalin xr and 2mg guanfacine daily. He has been on stimulants for over a year but the focalin is new within the past couple months. He was previously on short acting methylphenidate but we switched due to having to take it 3x per day and having issues with the unevenness of his behavior when it starting wearing off after each dose. He now has a new extreme fear of bugs and crabs. We are in Florida on spring break and he will barely leave the house. He used to love swimming in the ocean and building sand castles. We were just here in Feb and no issues of this nature. He has always had a little bit of irrational fears but nothing like this. I’m wondering if anyone has had this issue on focalin or it’s just coincidental that these phobias are coming out now (he is 7.5 years old)
UPDATE: we switched back to short acting methylphenidate and it was a huge improvement the first day. Yes, he is still scared of bugs but it did not impact his ability to enjoy himself like usual. He went to the beach without a fight and most importantly swam in the ocean, built sandcastles and played paddle ball.