Lonazep 0 . 5 MG Tablet is an anti-epileptic and anti-convulsant medicine that contains Clonazepam. It is used to treat seizures, panic attacks and sleep disorders. Learn about its dosage, interactions, substitutes and more. Lonazep 0 .5mg Tablet is a prescription medicine used to treat epilepsy (seizures) and anxiety disorder. It helps to decrease the abnormal and excessive activity of the nerve cells and calms the brain. Lonazep 0 .5mg Tablet may be taken with or without food. For over 39 years, Apollo Pharmacy has been providing you with genuine medicines round-the-clock, through 24-hour pharmacies. And now through Apollo Pharmacy, we intend to make your lives easier – by getting your medicines delivered to you. Lonazep 0 . 5 MG Tablet works like a tranquilizer. It impedes synaptic transmission. The medicine reduces serotonin usage and is able to treat anxiety and seizures. The dosage of Clonazepam will be prescribed by the doctor depending on your condition, how your response has been to the treatment so far, and also your age.