a. The strength is usually specific to the drug and the dosage is specific to the patient. For example, a patient may be prescribed hydrochlorothiazide tablets in a strength of 25 mg per tablet and instructed to take a dosage of one-half tablet daily (12.5 mg daily).
TABLE 1-1. COMMON DOSAGE FORMS
aerosol capsule cream drops elixir emulsion | enema extract gel granule injection lotion | lozenge ointment paste patch pellet or implant powder | solution suppository suspension syrup tablet tincture |
IV. Physical Appearance
A. Drugs have distinctive physical appearances, colors, odors, and textures.
- A change in physical appearance may indicate a drug is expired, contaminated, or should no longer be used.
- A drug’s physical appearance can be verified in the package insert or with a print or online pharmacy reference.
V. Routes of Administration
The route of administration is the way the drug gets into the body (e.g., by mouth or injection). Table 1-2 lists drug administration routes.
TABLE 1-2. DRUG ADMINISTRATION ROUTES
buccal epidural inhalation intra-arterial intracardiac intramuscular | intranasal intraperitoneal intrathecal intravenous nasal ophthalmic | oral otic parenteral perivascular rectal subcutaneous | sublingual topical transdermal urethral urogenital vaginal |
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