Migraine and headache:
Indications for IMITREX TABLETS:
Acute treatment of migraine.
≥18yrs: 25–100mg once, swallow whole with fluids as soon as possible after migraine onset; may repeat dose at intervals of at least 2hrs, max 200mg/day; or single-dose tablets up to 100mg/day if injection has been used. Hepatic dysfunction: max 50mg/dose. The safety of treating an average of more than 4 headaches in a 30-day period has not been established.
<18yrs: not recommended.
IMITREX TABLETS Contraindications:
Do not give intravenously. History, symptoms, or signs of ischemic cardiac (eg, MI, angina pectoris, silent myocardial ischemia), cerebrovascular (eg, stroke, TIA), or peripheral vascular (eg, ischemic bowel disease) syndromes. Vasospastic coronary artery disease. Uncontrolled hypertension. Basilar or hemiplegic migraine. Severe hepatic impairment. Within 24 hours of ergot-type drugs (eg, methysergide, dihydroergotamine), or other 5-HT1 agonists. During or within 2 weeks after discontinuing MAO-A inhibitors (MAOI type A).
IMITREX TABLETS Warnings/Precautions:
Confirm diagnosis. Avoid excessive use. Exclude underlying cardiovascular disease, supervise 1st dose, and consider monitoring ECG in patients with likelihood of unrecognized coronary artery disease (eg, postmenopausal women, hypercholesterolemia, men over age 40, hypertension, obesity, diabetes, smokers, strong family history). Monitor cardiovascular function in long-term intermittent use. Peripheral vascular or colonic ischemia following other 5-HT1 agonists. Hepatic or renal dysfunction. Seizure risk. Latex allergy (Inj). Instruct patient on use of autoinjector. Elderly: not recommended. Pregnancy. Nursing mothers (avoid nursing for 12 hours after treatment).
IMITREX TABLETS Classification:
Selective 5-HT1B/1D receptor agonist.
IMITREX TABLETS Interactions:
Ergotamines, other 5-HT1 agonists, MAOIs: see Contraindications. Serotonin syndrome with SSRIs (eg, citalopram, escitalopram, fluoxetine, fluvoxamine, paroxetine, sertraline) or SNRIs (eg, duloxetine, venlafaxine).
Tingling, warm/hot sensation, flushing; chest/neck/sinus/jaw discomfort; dizziness/vertigo, muscle pain/weakness, numbness, fatigue, drowsiness, anxiety, sweating, local reactions, seizures, colonic ischemia, drug overuse headache (discontinue if occurs), hypersensitivity reactions; rare: serious cardiac and cerebrovascular events (including fatalities), vision loss. Nasal spray: also dysgeusia, local irritation.
Register pregnant patients exposed to sumatriptan by calling (800) 336-2176.
STATdose kit (2 prefilled cartridges + 1 Pen)—1; Refills (2 prefilled cartridges)—1; Single-dose vials (6mg/0.5mL)—5; Tabs—9; Nasal spray (single dose)—6