| Business | Phone |
| Dela Rosa Pharmacy & Med Eqpt 8030 Fm 1015, Mercedes 78570 | (956) 565-1122 |
| De La Rosa Pharmacy 524 W 2nd St, Mercedes 78570 | (956) 565-0210 |
| Mid-Valley Pharmacy 805 W Highway 83, Mercedes 78570 | (956) 565-4111 |
| Coach's Pharmacy 218 N Texas Ave, Mercedes 78570 | (956) 514-2420 |