Notice of Liability: Despite careful control we assume no liability for external links - content and design of linked pages exclusively lie in the responsibility of their respective owners. Manager: Stephan Reichart. District Court Duisburg, HRB: 20337. Responsible for content pursuant to section 10 paragraph 3 MDStV: Stephan Reichart. E-MAIL | Phone: 49221 - 960 260 57 | Aruba Events GmbH | Marsiliusstr. 36 | 50937 Köln; EN: Treatment Generic Viagra (Sildenafil 100mg) is available in tablets of 25, 50 and 100 mg and is used on doctor's advice. Main contraindications of sildenafil citrate 100mg - a chronic heart disease, hypertension, presence in the past heart attacks and strokes, receiving drugs containing nitrates. Get more information about the drug here: