비아그라 기본 사항 설명

The subsequent nonprescription or herbal products may well interact with sildenafil: cimetidine (Tagamet HB), St. John's wort. You should definitely Enable your health practitioner and pharmacist know that you'll be taking these prescription drugs Before you begin taking sildenafil.Viagra® and generic Viagra® incorporate sildenafil, which is simi