Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) pyridoxine-dependent epilepsy ?
    ### Response:
    Pyridoxine-dependent epilepsy is a condition that involves seizures beginning in infancy or, in some cases, before birth. Those affected typically experience prolonged seizures lasting several minutes (status epilepticus). These seizures involve muscle rigidity, convulsions, and loss of consciousness (tonic-clonic seizures).
    