No, the medication contained is an anti-viral called Acyclovir; that is the ingredient! Read this to ensure, for your own satisfaction that there are no Sulfa based compounds: https://www.drugs.com/pro/acyclovir-capsules.html. The only reference I found to "composine" was buprenorphine and naloxone (Suboxone) and I can guarantee that that is not involved.
- Acyclovir Information for Consumers
- Acyclovir Information for Healthcare Professionals (includes dosage details)
- Side Effects of Acyclovir (detailed)
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