Severe Headaches My Son Developed Moderate To Severe Headaches While On Solodyn. When Will They Go Away?

My son developed moderate to severe headaches while on Solodyn. When will they go away? - severe headaches

We try to understand what causes the headache. Solodyn was for a few months. He had a headache from time to time, but lately have been seriously and persistently. Solodyn was absent for a week. If the headaches are caused by medication, we can expect when they disappear?