Does acyclovir cause intense stomach pain?

Acyclovir is generally well-tolerated, but it can cause side effects, including gastrointestinal issues such as nausea, vomiting, and abdominal pain in some individuals. Intense stomach pain is not a common side effect, but if it occurs, it may be related to other factors or a reaction to the medication. If you experience severe stomach pain while taking acyclovir, it's important to consult a healthcare professional for evaluation and advice.