Thank you for asking. You must not take modalert on regular basis. Generally it is used for not more than a week to 10 days. Primary use of this drug it to help the individual to get into a regular circadian rhythm, Modalert promotes wakefulness and concentration. Since you primary problem is of Obsessive Compulsive Disorder (OCD) and Depression, you issue of Poor Concentration is due to these condition. There is immense Anxiety associated with the problem, and it is this anxiety causes difficulties in concentration. It is possible that may be you condition s are not well controlled with the medications. In such case you must look to treat the existing problem of OCD and Depression by changing the drugs or adding few. However, do not make the changes on your own and consult with a psychiatrist.
Next Steps
Do not continue modalert. Focus on existing issues of OCD and Depression. They need to be treated. Poor concentration is a symptom of these. Consult a psychiatrist.
Health Tips
Don't worry. It is treatable.