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.
Adderall is a brand name drug that is used to treat narcolepsy and ADHD. Adderall contains both the drug dextroamphetamine and amphetamine which are both stimulant medications. According to the NLM, the generic medication name for Adderall would be dextroamphetamine and amphetamine.Adderall is commonly abused (especially by college students) to cause certain focused and wakeful effects.extroamphetamine is a generic drug and can be found in several brand name drugs. While some of these are combination medications (drugs that contain more than one type of medication), the brand name drugs that contain dextroamphetamine singly are: 1  Dexedrine. 2  Dexampex. 3  DextroStat. 4  ProCentra.