Camphor and phenol are mild topical (for the skin) pain relievers. The combination of allantoin, camphor, and phenol is used to treat pain, itching, or severe lip dryness caused by chapped lips or cold sores (fever blisters). This medication will not cure herpes simplex, a virus that causes cold sores.
Concerta is a new medication for ADHD. It is a central nervous system stimulant and contains methylphenidate, the same medication ingredient found in Ritalin. It comes in 18mg, 36mg and 54mg tablets and is intended to be taken once a day.
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 hours. The average half-life for Concerta in adults is about 3.5 hours.