It is good that the CT scan and blood test result were fine. Can you elaborate the symptoms you had? Valacyclovir or
Valtrex may cause
side effects such as nausea, vomiting, fatigue, dizziness, stomach pain, and rarely, mental/mood changes (e.g., agitation, hallucinations), confusion, speech problems, unsteady movement, or vision changes. A healthy lifestyle including proper diet, regular exercise and prescription medications for this may help. Take care and do keep us posted.