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By definition, when a medication is administered intravenously, its bioavailability is 100%.
The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.
Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.