IMITREX TABLETS Rx

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IMITREX TABLETS

Migraine and headache
Only 4 drugs may be compared at once

Generic Name and Formulations:

Sumatriptan (as succinate) 25mg, 50mg, 100mg.

Company:

GlaxoSmithKline

Select therapeutic use:

Indications for IMITREX TABLETS:

Acute treatment of migraine.

Adult:

≥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.

Children:

<18yrs: not recommended.

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).

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. Instruct patient on use of autoinjector. Peripheral vascular or colonic ischemia following other 5-HT1 agonists. Hepatic or renal dysfunction. Seizure risk. Elderly: not recommended. Pregnancy (Cat.C). Nursing mothers (avoid nursing for 12 hours after treatment).

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).

See Also:

IMITREX INJECTION

IMITREX NASAL SPRAY

Pharmacological Class:

Selective 5-HT1B/1D receptor agonist.

Adverse Reactions:

Tingling, hot sensation, flushing; chest/neck/sinus/jaw discomfort; dizziness, muscle pain/weakness, fatigue, drowsiness, anxiety, sweating, local reactions, seizures, colonic ischemia, drug overuse headache (discontinue if occurs); rare: serious cardiac and cerebrovascular events (including fatalities), vision loss. Nasal spray: also dysgeusia.

Note:

Register pregnant patients exposed to sumatriptan by calling (800) 336-2176.

How Supplied:

Inj 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