Study population:~Site of the study: The outpatient dermatological clinic in Assiut university hospital.~Participants: children (2 -16) years' old attending dermatological clinic in Assiut university hospital and their parents.~Methodology in details:~We will use the social media as  Facebook to invite patient to visit the clinic and follow up them due to the protective measures of covid 19.~Diagnosis of the patient with molluscum contagiosum according to the clinical picture~Collecting data including personal and clinical data through interviewing the patient and his or her parents~Pictures of the lesions will be taken before and after treatment after patient consent.~We will Randomly assigning the patient to either treatment group or controlled group according to simple random table~Prescribing the treatment according to the patient group~Follow up of the patient after 1 weak and each week according to the response to treatment or presence of complication~Inclusion criteria:~Children (5 -15) years old with Molluscum contagiosum.~Exclusion criteria:~Molluscum contagiosum with Inflamed spot~Known immune compromised children~Molluscum lesion in the eye lid.~Children with renal impairment.
The investigators will study the effectiveness of acyclovir in the treatment of molluscum contagiosum in assiut university hospital - dermatological out patient clinic the treatment group will receive acyclovir 200 mg 5 times per day the controlled group will receive local KOH solution