Dr Vandan H KumarFather of a 7 yr 6 m old boy3 years agoA. not advisable to be used after three months of opening it may not be effective
More proper information and answer regarding this will be given by your personal doctor and you can contact your doctor for this
You can check with nearest doctor also in your locality.
Take care.
Nihita mittalMom of 4 children3 years agoA. good morning I would recommend you to try to check on the label of the medicine that what is the expiration date and if it the expiration date has not yet passed then definitely you can go ahead and use it
Post Answer