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.
DOSING: Hydroxyzine has its maximal effect about 30 to 60 minutes after it is taken. Its effects last for 4 to 6 hours. The recommended dose for treating pruritus is 25 mg given 3 or 4 times daily. When used for sedation, the recommended dose is 50 to 100 mg. Anxiety and tension are managed with 50 to 100 mg 4 times daily. Hydroxyzine can be taken with or without food.
Fetus: The unborn offspring from the end of the 8th week after conception (when the major structures have formed) until birth. Up until the eighth week, the developing offspring is called an embryo.
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