This pain with resistance may indicate that tendonitis is a cause of your problem. Stiffness- Many tendons course through your body in a fibrous sheath, and when inflammation and swelling occurs, this flossing in the sheath becomes limited. This occurs with tendonitis, so stiffness after a period of rest may occur.
Concerta and Adderall are the brand names of generic medications. The generic form of Concerta is methylphenidate. Adderall is a combination of two generic drugs: amphetamine and dextroamphetamine. A side-by-side comparison of these two ADHD medications shows that theyâre similar in many ways. However, there are some differences.
Prices for generic ADHD medications can include: 1  amphetamine Salt Combo (generic (Adderall) $50 for 60 tablets. 2  methylphenidate (generic Ritalin) $40 to $60 for 60 tablets. 3  dexmethylphenidate (generic Focalin) $40 to $60 for 60 tablets.  amphetamine Salt Combo XR (generic Adderall XR) $75 to $100 for 30 tablets.