Yes sometimes medications over time aren't effective as they were before and changing or adjusting them within a psychiatrist's clinical discretion can help. Also Abilify can cause nervousness and anxiety but each person responds differently to each medication. The 3 newest antipsychotics are Fanapt, Saphris and Latuda. This is a full list of mood stabilizers as of two years ago:
and since then there are more medications that are FDA approved and used off label for other purposes. For example I am on Lovaza as a mood stabilizer as are other people I know. If your psychiatrist is unable to help you they could refer you to a psychopharmocologist.
It can be difficult when family members don't understand the need for medication and therapy. NAMI friends and family support groups can be of help. Also they have helpful informational literature. As well these websites would be of help for informational purposes: