commonly known brands of Acyclovir tablets, both national and international:

1. Zovirax (International)
2. Acivir (International)
3. Acyclovir (Generic, available internationally)
4. Cyclovir (International)
5. Herpex (International)
6. Lovir (International)
7. Acifar (International)
8. Aciclovir (Generic, available internationally)
9. Virorax (International)
10. Acivirax (International)
11. Sitavig (International)
12. Acikill (International)
13. Valtrex (International, primarily for valacyclovir, which converts to acyclovir in the body)
14. Herpikind (International)
15. Acic (International)
16. Acyvir (International)
17. Aciherpin (International)
18. Zyclorax (International)
19. Avir (International)
20. Aclovirax (International)
21. Acifur (International)
22. Acifar (International)
23. Acic (International)
24. Cyclostad (International)
25. Acyclostad (International)
26. Aclovir (International)
27. Cyclivex (International)
28. Herpifix (International)
29. Hascovir (International)
30. Mylan-Acyclovir (Generic, available internationally)

Please note that availability may vary by region, and some brands may be more prevalent in certain countries or regions. Always consult with a healthcare professional or pharmacist before starting any medication.

As of my last update in January 2022, I don’t have access to real-time databases or current market information to provide you with the top 30 brands of national and international Acyclovir tablets. However, I can list some popular brands that were known for producing Acyclovir tablets at that time:

1. Zovirax (by GlaxoSmithKline)
2. Acivir (by Cipla)
3. Acyclovir (generic)
4. Herpex (by Torrent Pharmaceuticals)
5. Acyclovir-DT (by Cipla)
6. Acivir DT (by Cipla)
7. Herperax (by Ranbaxy Laboratories)
8. Lovir (by Sandoz)
9. Zyclir (by Zydus Cadila)
10. Cyclovir (by RPG Life Sciences)

For the most up-to-date information on brands of Acyclovir tablets, I would recommend consulting a pharmacist or conducting an online search using a reliable source specific to your region.

Here’s a list of some well-known brands of Acyclovir tablets, both national and international, though the specific ranking may vary depending on location and market conditions:

1. Zovirax (GSK) – International
2. Acivir (Cipla) – International
3. Acyclovir (Teva) – International
4. Herpex (Torrent Pharmaceuticals) – National
5. Aciclovir (Sandoz) – International
6. Acyclovir (Actavis) – International
7. Aciclovir (Hexal) – International
8. Acyclovir (Mylan) – International
9. Herperax (Macleods Pharmaceuticals) – National
10. Aciclovir (Stada) – International
11. Lovir (Aspen Pharmacare) – International
12. Cyclovir (Lupin Pharmaceuticals) – National
13. Aciclovir (Glenmark Pharmaceuticals) – National
14. Acivir (Micro Labs) – National
15. Zyclir (Biochem Pharmaceutical Industries) – National
16. Acivir (Cadila Pharmaceuticals) – National
17. Zyclor (Pfizer) – International
18. Herpikind (Mankind Pharma) – National
19. Aclovir (Aurobindo Pharma) – National
20. Acyvir (Sun Pharmaceutical Industries) – National
21. Acyclovir (Intas Pharmaceuticals) – National
22. Aciclovir (Taj Pharmaceuticals) – National
23. Acyclovir (Wockhardt) – National
24. Acyclovir (Alpharma) – National
25. Acivir (Ipca Laboratories) – National
26. Aciclovir (Unichem Laboratories) – National
27. Aciclovir (Egis Pharmaceuticals) – International
28. Acyclovir (Zydus Cadila) – National
29. Aciclovir (Dr. Reddy’s Laboratories) – National
30. Acyclovir (Ranbaxy Laboratories) – National

Please note that availability and popularity may vary by region, and new brands may emerge over time. Always consult a healthcare professional for advice on medication.