My Psychosis Survival Guide
Things from my coping box that might benefit you too. Like any other skill, many of these things can be used to help any other mental health problem. This is just my own list of things I use in addition to seeing my pdoc and taking my meds:
Grounding is my first and most effective coping skill. Among the skills in the grounding category, coloring and doodling are my favorites (bonus if you can color-in doodles you've made yourself) but any art will do, like painting or making collages.
This can distract you from hallucinations and keep your mind occupied to stop dwelling on paranoid or delusional thoughts. Art therapy is known to reduce anxiety and depression too, which is common with psychotic disorders.
LoFi is my favorite. Something calming can reduce anxiety and help you rest or sleep, which is good for a brain bombarded with the psychotic experience. Lyrics can sometimes trigger unwanted thoughts and some people even find that the lyrics change and suddenly have special meaning, so this is avoided with instrumental music.
Some LoFi music has other sound effects which can help auditory hallucinations to blend in and be less intrusive. Cafe vlogs are excellent for this, as they have a background of people talking and kitchen appliances being used which disguise mild and pesky hallucinations.
It can be Silly Putty, Thinking Putty, or whatever you can find. Some of them change colors, some of them are even scented. This is excellent grounding. It involves your senses and you can completely turn off your brain and just play with it in your hands. It's also great as a fidget tool.
Writing letters to yourself while you're in a good and healthy mindset can be valuable to look back on while in a psychotic episode. Give yourself a pep talk. Remind yourself that this is real life, remind yourself of why these thoughts are irrational and why you really can trust your friends and family, etc.
I find it useful to write about past delusions, so that when similar ones happen, I have "proof" that this is unreasonable and I'm less likely to fall for it (nothing is perfect. sometimes I'll still believe the delusion despite everything, but it helps)
A list of people who can help
Keep a list of friends or family who are aware of your diagnosis and who are ready to help you if you're struggling. Keep the numbers to these people in case you chuck your phone. Also include the numbers to your doctor, therapist, social worker, or anyone else you may need to reach when you're unable to use your own phone. (It's also good to have these listed in case you get hospitalized and are unable to have your phone)
Also if you're dealing with paranoia around your phone, some people find it comforting to use WhatsApp because it's encrypted unlike text messages.