what does a t with a dot over it mean on a prescription
- Symbol given to nurse by doctors on prescriptions for patient. The medication prescription the doctor gave to my nurse to give to me on leaving the hospital has a sign, like a T with a dot over it. It has something to do with pills. Does anyone know exactly what this symbol means? Symbol given to nurse by doctors on prescriptions for patient. richka, the symbol T with a dot over it would mean one pill. A symbol for 2 pills would have 2 vertical lines crossed at the top with a horizonal line (like a double TT) and have 2 dots on top, 3 pills would be TTT with 3 dots on top.