What are the side effects of taking tab zovirax (acyclovir) for herpes?

Zovirax (acyclovir) Side effects of zovirax (acyclovir) can include: hallucinations, psychosis, encephalopathy, seizures, coma, leukopenia, thrombocytopenia, angioedema, anaphylaxis, erythema multiforme, steven johnson syndrome, toxic epidermal necrolysis, tissue necrosis, hepatitis, renal failure, ttp, nausea, vomiting, diarrhea, headache, malaise, dizziness, arthralgia, confusion, photosensitivity, agitation and others.