What are the two types of contraindications? There are two types of contraindications including: 1. Absolute contraindications.

Understanding the Context

A procedure or medicine that is an absolute contraindication could cause a life-threatening situation, and must be avoided. Cautions for Sildenafil (Erectile Dysfunction) Contraindications Hypersensitivity to sildenafil. Concomitant use of organic nitrates or nitrites in any form, either regularly or intermittently. Concomitant use of guanylate cyclase stimulators (e.g., riociguat).

Key Insights

Warnings/Precautions Cardiovascular Effects Potential for cardiac risk of sexual activity in patients with preexisting cardiovascular ... Learn about the potential benefits of Hawthorn including contraindications, adverse reactions, toxicology, pharmacology and historical usage.