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Abbreviations
Common Directions and Dosages (Pharmacology)
| Term | Definition |
|---|---|
| NPO | nil per os (nothing by mouth) |
| PO | per os (by mouth) |
| tab | tablet |
| cap | capsule |
| top | topical (applied to the skin) |
| inh | inhalation (breathed in) |
| disp | dispense (give or supply) |
| ut dict | ut dictum (as directed) |
| Rx | recipe (take, recipe is the symbol for prescription) |
| sig | signa (write; instructions for the patient) |
| # | number (used for quantity, e.g., #10 means 10 tablets) |
| sup | suppository (a form of medication for insertion) |
| ung | unguentum (ointment) |
| sol | solution |
| elix | elixir (a sweetened liquid) |
| syr | syrup |