Always follow your doctor’s instructions. Dosage and duration vary depending on the condition being treated. Typical regimens involve several doses daily, for a period ranging from five to ten days.
Understanding Aciclovir
Aciclovir is an antiviral medication targeting herpes viruses, including herpes simplex virus (HSV) and varicella-zoster virus (VZV). It works by inhibiting viral DNA replication, reducing the severity and duration of outbreaks.
Common Uses & Side Effects
Aciclovir 400mg tablets treat oral and genital herpes, as well as shingles (herpes zoster). Common side effects include headache, nausea, and diarrhea. Less frequent but more serious reactions can occur; consult your doctor if you experience any unusual symptoms.
| Headache | Common | Consider over-the-counter pain relief; consult your doctor if severe or persistent. |
| Nausea | Common | Take with food; inform your doctor if persistent or severe. |
| Diarrhea | Common | Increase fluid intake; contact your doctor if severe or prolonged. |
| Skin Rash | Uncommon | Stop taking Aciclovir and seek immediate medical attention. |
Precautions & Interactions
Inform your doctor about all medications you are currently taking, including supplements. Kidney problems can affect how your body processes Aciclovir; your doctor may adjust your dosage accordingly. Pregnant or breastfeeding women should discuss Aciclovir use with their doctor before starting treatment. Alcohol consumption may increase side effects.
Storage & Disposal
Store tablets in a cool, dry place, away from direct sunlight and moisture. Dispose of unused medication properly, following local guidelines.


