Hi..
Welcome to HEALTHCARE MAGIC..
I have gone through your query and can understand your concerns..
As per your complain itchiness and small bumps on lips can be due to causes like
allergic reaction to any food, medication or and lip cosmetic.
It can also be due to viral infection caused by
Herpes Simplex Virus 1 causing
cold sores..
As it has got better with just application of petroleum jelly it seems to be most probably be due to allergic reaction..
I would suggest you to consult an Allergist and get evaluated and a thorough clinical evaluation and investigations like allergic tests and in case if herpes is suspected antigen-antibody reaction, viral culture can help in diagnosis and treatment can be planned accordingly..
As of now you can take
benadryl to relieve itching, continue applying petroleum jelly and do cool compresses over the lips..
Do not suck or lick the lips as it causes drying..
Hope this information helps..
Thanks and regards.
Dr.Honey Nandwani Arora.