Can priapism erections over time damage the cremaster muscle eventually? What r the symptoms of cremaster muscle damage?

Only one function. Cremaster has only one function acts as sling to testicle controls the position of testes has no roll in erection. Priapism may lead to more serious consequences, if untreated will damage structure and integrity of penis (fibrosis of corpus cavernosa) Consult urologist and avoid erectile dysfunction in future.