
PREPARATIONS: Tablets: 10, 25, and 50 mg. Capsules: 25, 50, and 100 mg. Syrup: 10 mg per teaspoonful (5mL). Suspension: 25 mg per teaspoonful (5mL). Injection: 25 and 50 mg/ml

Nasal: Having to do with the nose. Nasal drops are intended for the nose, not (for example) the eyes. The word "nasal" came from the Latin "nasus" meaning the nose or snout.

Approved drug: A medication approved for marketing. In the US, the Food and Drug Administration (FDA) must approve a substance as a drug before it can be marketed. The approval process involves several steps including pre-clinical laboratory and animal studies, clinical trials for safety and efficacy, filing of a New Drug Application by the manufacturer of the drug, FDA review of the application, and FDA approval/rejection of application.

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