| 전화번호 | -- |
|---|---|
| 이메일 | 44|@|4852|@|57087 |
Sildenafil is the active ingredient in viagra gives me a headache.
Viagra is a brand name for a medication that contains sildenafil. So, the main difference is that sildenafil is the generic name for the drug, while Viagra is a specific brand of the drug.



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