OCD can show up as

OCD can show up as intrusive thoughts images, sensations and urges.
OCD can show up as physical symptoms racing heart, upset stomach, chills and headaches.
OCD can show up as trying to convince you that you could act on things you would never want to do and that you're a monster.
OCD can cause you to not trust the thoughts in your head. OCD can cause you to not trust or feel safe in your body. It can feel like who you are and who you want to be cannot connect because of intrusive thoughts and images, urges and sensations being the opposite of who you are, playing in your head on repeat.
OCD is a debilitating disorder but recovery is possible. ERP therapy is the gold standard treatment for OCD and can help you get your life and yourself back from OCD.