Sí,
soy
alérgico
a
la
penicilina.
También
se
me
acabó
mi
medicina
y
necesito
un
reemplazo.
SEE, soy ah-LEHR-hee-koh ah lah peh-nee-see-LEE-nah. tahm-bee-EHN seh meh ah-kah-BOH mee meh-dee-SEE-nah ee neh-seh-SEE-toh oon reh-ehm-PLAH-soh
Yes, I'm allergic to penicillin. I also ran out of my medicine and need a replacement.
"Se me acabó" (it ran out on me) is a very common expression. Many prescription medicines from home can be purchased over the counter in Latin American pharmacies.