Hi.. Can understand your concern.. As per your complain chapped lips along with sores in mouth can be seen in case of Canker sores and it can also occur in case of cold sores caused by herpes simplex virus 1.. For chapped lips you can apply athick coat of Vaseline over the lips as it will lock moisture as well as help in keeping the lips lubricated.. You can also apply lip balms containing beeswax.. Ice packs should be applied as it helps in increasing blood flow on the lips.. Avoid sucking or licking the lips as it further takes the moisture away.. Get evaluated by a dentist or a physician for the sores are canker sores or cold sores.. For canker sores as you have repeated episodes oral steroids should be taken.. You can take Advil for pain.. Apply oragel over sores for pain relief.. Warm saline gargles can help.. Gargle with 1:1 solution of benadryl and milk of magnesia.. Hydrogen peroxide gargles can also relieve.. Avoid hot n spicy food.. Sucking ice pops can help. In case of herpes antiviral Oral and topical medication can prevent outbreak as antiviral drugs cannot cure the infection but can prevent outbreaks.. Hope this information helps.. Thanks and regards.. Dr.Honey Nandwani Arora.