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Imitrex Nasal Spray

Last reviewed on RxList: 10/7/2020
Imitrex Nasal Spray Side Effects Center

What Is Imitrex Nasal Spray?

Imitrex Nasal Spray (sumatriptan) is indicated for the acute treatment of migraine attacks with or without aura in adults.

What Are Side Effects of Imitrex Nasal Spray?

Common side effects of Imitrex Nasal Spray include:

  • mild headache (not a migraine),
  • pressure or heavy feeling in any part of your body,
  • feeling hot or cold,
  • dizziness,
  • spinning sensation,
  • drowsiness,
  • nausea,
  • vomiting,
  • drooling,
  • unusual taste in your mouth after using the nasal spray,
  • burning/numbness/pain/irritation in your nose or throat after using the nasal spray, or
  • warmth, redness, or mild tingling under your skin.

Serious side effects of Imitrex Nasal Spray include:

Tell your doctor right away if you have any serious side effects of Imitrex Nasal Spray including:

  • blue fingers/toes/nails,
  • cold hands or feet,
  • hearing changes, or
  • mental/mood changes.

Dosage for Imitrex Nasal Spray

Single doses of 5, 10, or 20 mg of Imitrex Nasal Spray administered into 1 nostril were effective for the acute treatment of migraine in adults.

What Drugs, Substances, or Supplements Interact with Imitrex Nasal Spray?

Imitrex Nasal Spray may interact with sumatriptan injection, almotriptan, eletriptan, frovatriptan, naratriptan, rizatriptan, zolmitriptan, ergot medicines, or antidepressants. Tell your doctor all medication and supplements you use.

Imitrex Nasal Spray During Pregnancy and Breastfeeding

Tell your doctor if you are pregnant or plan to become pregnant while using Imitrex Nasal Spray. Your name may need to be listed on a pregnancy registry. Imitrex Nasal Spray passes into breast milk and may harm a nursing baby. Do not breastfeed within 12 hours after using Imitrex Nasal Spray. If you use a breast pump during this time, throw out any milk you collect. Do not feed it to your baby.

Additional Information

Our Imitrex Nasal Spray (sumatriptan) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

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Imitrex Nasal Spray Consumer Information

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Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using sumatriptan and call your doctor at once if you have:

  • sudden and severe stomach pain and bloody diarrhea;
  • severe chest pain, shortness of breath, irregular heartbeats;
  • a seizure (convulsions);
  • severe headache, blurred vision, pounding in your neck or ears;
  • blood circulation problems in your legs or feet--cramps, tight or heavy feeling, numbness or tingling, muscle weakness, burning pain, cold feeling, color changes (pale or blue), hip pain;
  • heart attack symptoms--chest pain or pressure, pain spreading to your jaw or shoulder, nausea, sweating;
  • high levels of serotonin in the body--agitation, hallucinations, fever, sweating, shivering, fast heart rate, muscle stiffness, twitching, loss of coordination, vomiting, diarrhea; or
  • signs of a stroke--sudden numbness or weakness (especially on one side of the body), sudden severe headache, slurred speech, problems with vision or balance.

Common side effects may include:

  • pain or tight feeling in your chest, throat, or jaw;
  • pressure or heavy feeling in any part of your body;
  • numbness or tingling, feeling hot or cold;
  • dizziness, drowsiness, weakness;
  • unusual or unpleasant taste in your mouth after using the nasal medicine;
  • pain, burning, numbness, or tingling in your nose or throat after using the nasal medicine; or
  • runny or stuffy nose after using the nasal medicine.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the entire detailed patient monograph for Imitrex Nasal Spray (Sumatriptan Nasal Spray)

QUESTION

Who suffers more frequently from migraine headaches? See Answer
Imitrex Nasal Spray Professional Information

SIDE EFFECTS

Serious cardiac events, including some that have been fatal, have occurred following the use of IMITREX Injection or Tablets. These events are extremely rare and most have been reported in patients with risk factors predictive of CAD. Events reported have included coronary artery vasospasm, transient myocardial ischemia, myocardial infarction, ventricular tachycardia, and ventricular fibrillation (see CONTRAINDICATIONS, WARNINGS, and PRECAUTIONS).

Significant hypertensive episodes, including hypertensive crises, have been reported on rare occasions in patients with or without a history of hypertension (see WARNINGS).

Incidence in Controlled Clinical Trials: Among 3,653 patients treated with IMITREX Nasal Spray (sumatriptan nasal spray) in active- and placebo-controlled clinical trials, less than 0.4% of patients withdrew for reasons related to adverse events. Table 2 lists adverse events that occurred in worldwide placebo-controlled clinical trials in 3,419 migraineurs. The events cited reflect experience gained under closely monitored conditions of clinical trials in a highly selected patient population. In actual clinical practice or in other clinical trials, these frequency estimates may not apply, as the conditions of use, reporting behavior, and the kinds of patients treated may differ.

Only events that occurred at a frequency of 1% or more in the IMITREX Nasal Spray (sumatriptan nasal spray) 20-mg treatment group and were more frequent in that group than in the placebo group are included in Table 2.

Table 2. Treatment-Emergent Adverse Events Reported by at Least 1% of Patients in Controlled Migraine Trials

Adverse Event Type Percent of Patients Reporting
Placebo
(n = 704)
IMITREX5 mg
(n = 496)
IMITREX10 mg
(n = 1,007)
IMITREX20 mg
(n = 1,212)
Atypical sensations Burning sensation 0.1% 0.4% 0.6% 1.4%
Ear, nose, and throat Disorder/discomfort of nasal cavity/sinuses 2.4% 2.8% 2.5% 3.8%
Throat discomfort 0.9% 0.8% 1.8% 2.4%
Gastrointestinal Nausea and/or vomiting 11.3% 12.2% 11.0% 13.5%
Neurological Bad/unusual taste 1.7% 13.5% 19.3% 24.5%
Dizziness/vertigo 0.9% 1.0% 1.7% 1.4%

Phonophobia also occurred in more than 1% of patients but was more frequent on placebo.

IMITREX Nasal Spray (sumatriptan nasal spray) is generally well tolerated. Across all doses, most adverse reactions were mild and transient and did not lead to long-lasting effects. The incidence of adverse events in controlled clinical trials was not affected by gender, weight, or age of the patients; use of prophylactic medications; or presence of aura. There were insufficient data to assess the impact of race on the incidence of adverse events.

Other Events Observed in Association With the Administration of IMITREX Nasal Spray

In the paragraphs that follow, the frequencies of less commonly reported adverse clinical events are presented. Because the reports include events observed in open and uncontrolled studies, the role of IMITREX Nasal Spray (sumatriptan nasal spray) in their causation cannot be reliably determined. Furthermore, variability associated with adverse event reporting, the terminology used to describe adverse events, etc., limit the value of the quantitative frequency estimates provided. Event frequencies are calculated as the number of patients who used IMITREX Nasal Spray (sumatriptan nasal spray) (5, 10, or 20 mg in controlled and uncontrolled trials) and reported an event divided by the total number of patients (N = 3,711) exposed to IMITREX Nasal Spray (sumatriptan nasal spray) . All reported events are included except those already listed in the previous table, those too general to be informative, and those not reasonably associated with the use of the drug. Events are further classified within body system categories and enumerated in order of decreasing frequency using the following definitions: infrequent adverse events are those occurring in 1/100 to 1/1,000 patients and rare adverse events are those occurring in fewer than 1/1,000 patients.

Atypical Sensations: Infrequent were tingling, warm/hot sensation, numbness, pressure sensation, feeling strange, feeling of heaviness, feeling of tightness, paresthesia, cold sensation, and tight feeling in head. Rare were dysesthesia and prickling sensation.

Cardiovascular: Infrequent were flushing and hypertension (see WARNINGS), palpitations, tachycardia, changes in ECG, and arrhythmia (see WARNINGS and PRECAUTIONS). Rare were abdominal aortic aneurysm, hypotension, bradycardia, pallor, and phlebitis.

Chest Symptoms: Infrequent were chest tightness, chest discomfort, and chest pressure/heaviness (see PRECAUTIONS: General).

Ear, Nose, and Throat: Infrequent were disturbance of hearing and ear infection. Rare were otalgia and Meniere disease.

Endocrine and Metabolic: Infrequent was thirst. Rare were galactorrhea, hypothyroidism, and weight loss.

Eye: Infrequent were irritation of eyes and visual disturbance.

Gastrointestinal: Infrequent were abdominal discomfort, diarrhea, dysphagia, and gastroesophageal reflux. Rare were constipation, flatulence/eructation, hematemesis, intestinal obstruction, melena, gastroenteritis, colitis, hemorrhage of gastrointestinal tract, and pancreatitis.

Mouth and Teeth: Infrequent was disorder of mouth and tongue (e.g., burning of tongue, numbness of tongue, dry mouth).

Musculoskeletal: Infrequent were neck pain/stiffness, backache, weakness, joint symptoms, arthritis, and myalgia. Rare were muscle cramps, tetany, intervertebral disc disorder, and muscle stiffness.

Neurological: Infrequent were drowsiness/sedation, anxiety, sleep disturbances, tremors, syncope, shivers, chills, depression, agitation, sensation of lightness, and mental confusion. Rare were difficulty concentrating, hunger, lacrimation, memory disturbances, monoplegia/diplegia, apathy, disturbance of smell, disturbance of emotions, dysarthria, facial pain, intoxication, stress, decreased appetite, difficulty coordinating, euphoria, and neoplasm of pituitary.

Respiratory: Infrequent were dyspnea and lower respiratory tract infection. Rare was asthma.

Skin: Infrequent were rash/skin eruption, pruritus, and erythema. Rare were herpes, swelling of face, sweating, and peeling of skin.

Urogenital: Infrequent were dysuria, disorder of breasts, and dysmenorrhea. Rare were endometriosis and increased urination.

Miscellaneous: Infrequent were cough, edema, and fever. Rare were hypersensitivity, swelling of extremities, voice disturbances, difficulty in walking, and lymphadenopathy.

Other Events Observed in the Clinical Development of IMITREX

The following adverse events occurred in clinical trials with IMITREX Injection and IMITREX Tablets. Because the reports include events observed in open and uncontrolled studies, the role of

IMITREX in their causation cannot be reliably determined. All reported events are included except those already listed, those too general to be informative, and those not reasonably associated with the use of the drug.

Breasts: Breast swelling; cysts, lumps, and masses of breasts; nipple discharge; primary malignant breast neoplasm; and tenderness.

Cardiovascular:Abnormal pulse, angina, atherosclerosis, cerebral ischemia, cerebrovascular lesion, heart block, peripheral cyanosis, pulsating sensations, Raynaud syndrome, thrombosis, transient myocardial ischemia, various transient ECG changes (nonspecific ST or T wave changes, prolongation of PR or QTc intervals, sinus arrhythmia, nonsustained ventricular premature beats, isolated junctional ectopic beats, atrial ectopic beats, delayed activation of the right ventricle), and vasodilation.

Ear, Nose, and Throat: Allergic rhinitis; ear, nose, and throat hemorrhage; external otitis; feeling of fullness in the ear(s); hearing disturbances; hearing loss; nasal inflammation; sensitivity to noise; sinusitis; tinnitus; and upper respiratory inflammation.

Endocrine and Metabolic:Dehydration; endocrine cysts, lumps, and masses; elevated thyrotropin stimulating hormone (TSH) levels; fluid disturbances; hyperglycemia; hypoglycemia; polydipsia; and weight gain.

Eye: Accommodation disorders, blindness and low vision, conjunctivitis, disorders of sclera, external ocular muscle disorders, eye edema and swelling, eye itching, eye hemorrhage, eye pain, keratitis, mydriasis, and vision alterations.

Gastrointestinal: Abdominal distention, dental pain, disturbances of liver function tests, dyspeptic symptoms, feelings of gastrointestinal pressure, gallstones, gastric symptoms, gastritis, gastrointestinal pain, hypersalivation, hyposalivation, oral itching and irritation, peptic ulcer, retching, salivary gland swelling, and swallowing disorders.

Hematological Disorders:Anemia.

Injection Site Reaction

Miscellaneous: Contusions, fluid retention, hematoma, hypersensitivity to various agents, jaw discomfort, miscellaneous laboratory abnormalities, overdose, “serotonin agonist effect,” and speech disturbance.

Musculoskeletal: Acquired musculoskeletal deformity, arthralgia and articular rheumatitis, muscle atrophy, muscle tiredness, musculoskeletal inflammation, need to flex calf muscles, rigidity, tightness, and various joint disturbances (pain, stiffness, swelling, ache).

Neurological: Aggressiveness, bradylogia, cluster headache, convulsions, detachment, disturbances of taste, drug abuse, dystonia, facial paralysis, globus hystericus, hallucinations, headache, heat sensitivity, hyperesthesia, hysteria, increased alertness, malaise/fatigue, migraine, motor dysfunction, myoclonia, neuralgia, neurotic disorders, paralysis, personality change, phobia, photophobia, psychomotor disorders, radiculopathy, raised intracranial pressure, relaxation, stinging sensations, transient hemiplegia, simultaneous hot and cold sensations, suicide, tickling sensations, twitching, and yawning.

Pain and Other Pressure Sensations:Chest pain, neck tightness/pressure, throat/jaw pain/tightness/pressure, and pain (location specified).

Respiratory:Breathing disorders, bronchitis, diseases of the lower respiratory tract, hiccoughs, and influenza.

Skin: Dry/scaly skin, eczema, seborrheic dermatitis, skin nodules, skin tenderness, tightness of skin, and wrinkling of skin.

Urogenital:Abortion, abnormal menstrual cycle, bladder inflammation, hematuria, inflammation of fallopian tubes, intermenstrual bleeding, menstruation symptoms, micturition disorders, renal calculus, urethritis, urinary frequency, and urinary infections.

Postmarketing Experience (Reports for Subcutaneous or Oral Sumatriptan)

The following section enumerates potentially important adverse events that have occurred in clinical practice and that have been reported spontaneously to various surveillance systems. The events enumerated represent reports arising from both domestic and nondomestic use of oral or subcutaneous dosage forms of sumatriptan. The events enumerated include all except those already listed in the ADVERSE REACTIONS section above or those too general to be informative. Because the reports cite events reported spontaneously from worldwide postmarketing experience, frequency of events and the role of sumatriptan in their causation cannot be reliably determined. It is assumed, however, that systemic reactions following sumatriptan use are likely to be similar regardless of route of administration.

Blood:Hemolytic anemia, pancytopenia, thrombocytopenia.

Cardiovascular:Atrial fibrillation, cardiomyopathy, colonic ischemia (see WARNINGS), Prinzmetal variant angina, pulmonary embolism, shock, thrombophlebitis.

Ear, Nose, and Throat:Deafness.

Eye: Ischemic optic neuropathy, retinal artery occlusion, retinal vein thrombosis, loss of vision.

Gastrointestinal: Ischemic colitis with rectal bleeding (see WARNINGS), xerostomia.

Hepatic: Elevated liver function tests.

Neurological:Central nervous system vasculitis, cerebrovascular accident, dysphasia, serotonin syndrome, subarachnoid hemorrhage.

Non-Site Specific: Angioneurotic edema, cyanosis, death (see WARNINGS), temporal arteritis.

Psychiatry: Panic disorder.

Respiratory: Bronchospasm in patients with and without a history of asthma.

Skin: Exacerbation of sunburn, hypersensitivity reactions (allergic vasculitis, erythema, pruritus, rash, shortness of breath, urticaria; in addition, severe anaphylaxis/anaphylactoid reactions have been reported [see WARNINGS]), photosensitivity.

Urogenital: Acute renal failure.

Drug Abuse And Dependence

One clinical study with IMITREX (sumatriptan succinate) Injection enrolling 12 patients with a history of substance abuse failed to induce subjective behavior and/or physiologic response ordinarily associated with drugs that have an established potential for abuse.

Read the entire FDA prescribing information for Imitrex Nasal Spray (Sumatriptan Nasal Spray)

Related Resources for Imitrex Nasal Spray

Related Health

Read the Imitrex Nasal Spray User Reviews »

© Imitrex Nasal Spray Patient Information is supplied by Cerner Multum, Inc. and Imitrex Nasal Spray Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.

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