Hello and welocme to HCM
which is an anti-epileptic drug.
and sleepiness) is a normal side effect seen of the drug.
Infact there is excitement with over dose.
It is possible to work after taking the drug.
Slowly tolerance will develop to the effect of the drug and it will not interfere with your husbands normal routine.
Thanks and take care
Dr Shailja P Wahal