Arcalion Tablet is used for the treatment of asthenia, a condition in which there is generalized tiredness and weakness that persists for a long term. It may also be used in combination with other medicines to improve everyday activities in Alzheimer's disease and psychogenic erectile dysfunction. Arcalion Tablet should be taken with food. Take it as advised by your doctor and if you miss any doses, take it as soon as you remember. Do not skip any doses and finish the full course of treatment even if you feel better. This medication mustn't be stopped suddenly. You should inform the doctor if you develop any allergic reactions after taking the medication. This medicine may cause a mild skin rash, anxiety, or headache as side effects. These usually resolve on their own in some time. Please consult your doctor if these worry you or do not go away.