Hi
In my opinion, your child seems to be suffering from an allergic tendency. It doesn't seem to be due to medications or
hepatitis C infection as it's not persistent.
Hives occurs due to
hypersensitivity to any substance in the surroundings which the body doesn't accept as does any normal individual.
It could be due to any aeroallergen, food products, insects, etc.
You should try to find out an allergens 1st. Also , go for IgE and AEC lab tests to help the diagnosis.
Antihistamines are the first line of therapy for urticaria.
Diphenhydramine (25 mg IV or 50 mg IM or PO) or hydroxyzine (50 mg IM or PO) should be administered if they are available.
If any features of anaphylaxis (eg, hypotension,
respiratory distress, stridor, gastrointestinal distress, swallowing problems, joint swelling, joint pain) are present, immediate medical intervention should occur.
Acute urticaria may progress to life-threatening angioedema and/or anaphylactic shock in a very short time, although it usually presents as rapid-onset shock with no urticaria or angioedema.
If associated angioedema is present, especially if laryngeal angioedema (eg, hoarseness, stridor) is suspected, prehospital administration of 0.3-0.5 mg of intramuscular [IM] epinephrine may be warranted. If associated
bronchospasm is present, prehospital nebulized albuterol may be warranted.
Other measures may be appropriate, such as continuous
electrocardiography (ECG); blood pressure and
pulse oximetry monitoring; administering IV crystalloids if the patient is hypotensive; and administering oxygen.
For further questions, do contact us.