Relative contraindications may also be referred to as cautions, such as in the British National Formulary.
Ivabradine is the most specific and selective If inhibitor and the only member of this family that is now marketed for pharmacological treatment of chronic stable angina in patients with normal sinus rhythm who have a contraindication or intolerance to beta-blockers.
NuvaRing is contraindicated for a risk of blood clots that is specific to NuvaRing's class of contraceptives.