Ombitasvir/paritaprevir/ritonavir & dasabuvir (DSC) will increase the stage or result of ergotamine by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Contraindicated. Acute ergot toxicity characterised by vasospasm and tissue ischemia has been connected with coadministration of ritonavir Ergotamine: Alpha-adrenergic blocking agent with direct stimulating impact on sleek muscle... https://bizarro-spray82604.tokka-blog.com/29484249/a-review-of-cafergot-discontinued