benadryl ruined my ability to swallow pills

ever since i started taking benadryl (i haven’t done it in months don’t worry) whenever i have to take my normal medicine or a xanax for anxiety, my body starts assuming i’m taking benadryl so i have to swallow it with so much water or else i start gagging and dry heaving like i did when i took benadryl. it honestly sucks really bad and it makes me regret being addicted to benadryl every day