Avoid using Ritalin 20 mg for a long period or it will cause addiction. Misuse or abuse of this medication can cause serious fatal issues. People having high blood pressure, heart defect, or heart disease should not use this medicine.
Consuming alcohol during the period of this medication is prohibited. Tell your doctor if you are allergic to Ritalin. Certain other drugs can create harmful effects on the body if interacted with this. So inform your doctor if you are going through other medication before prescribing Ritalin 20 mg.
Ritalin is also available in a 20 mg variant.