The percentage of those of Hispanic origin in the United States who were of Mexican background in 2013. Another 9.5 percent were of Puerto Rican background, 3.7 percent Cuban, 3.7 percent Salvadoran, 3.3 percent Dominican and 2.4 percent Guatemalan.
Onset of effects occurs within 30-60 minutes after taking Concerta. After that, duration of action lasts from 8-12 hours. And the average times to reach peak plasma concentrations across all doses of Concerta occur between 6-10 hour s. The average half-life for Concerta in adults is about 3.5 hours.
What is the typical dose that would be prescribed to someone taking Concerta? Dosage typically starts at 18mg daily in the morning. The maximum recommended daily dose is 72 mg. Tablets come in dosage strengths of 18, 27, 36, and 54 mg. However, itâs important to talk to your doctor and not adjust dosage without their recommendation. How long does it take for Concerta to work? Concerta will begin working with the first dose, typically within an hour.