i have taken 600 mg. of this medication 3x's per day for over 15 years for back pain. neurontin is an anti seizure medication. as with some other prescriptions a doctor may prescribe a medication for disorders other than their original intended use. this practice is referred to as "off-label". i am very familiar with this medication and its uses but have not heard of neurontin being used to treat anxiety or depression. although i am not an expert there is nothing to stop a doctor from prescribing neurontin for depression or anxiety. the link below will access a webmd article describing neurontin (gabapentin) in more detail. <link>
does neurontin treat anxiety and depression