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Drug-gene testing is also called pharmacogenomics or pharmacogenetics. all terms characterize the study of how your genes affect your body's response to . Aug 19, 2019 · a persistent headache, or a headache that won’t go away, can have many causes. this article discusses common causes, headache medication triptans treatment options, and when to see a doctor. Migraine headaches: one class of drug, called triptans, is the mainstay of migraine treatment. they include eletriptan ( relpax ), naratriptan ( amerge ), rizatriptan ( maxalt ), sumatriptan. Triptans are used to abort migraine attacks by stopping the migrainous process and are a class of medication called selective serotonin receptor agonists. the . Sildenafil, sold under the brand name viagra among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. it is unclear if it is effective for treating sexual dysfunction in women. it is taken by mouth or injection into a vein. onset is typ...