To affirm you experience, the meds can most certainly have the effects you are witnessing. There’s a few gems of the stories told in Dopamine Nation including of the author that touch on this topic about antidepressants and the side effects. It’s worth having her dose and medication examined much closer by the right professional in your country (I’m in the US and know the system best here). If you need any help navigating, I’m pretty easy to get in touch with and happy to help point you and/or your partner in the right direction along with any supplemental information that may help.