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Imitrex (Sumatriptan)

TypeDrug NameDosage 
Imitrex (2 Nasal-Spray per Pack)5 mg
Imitrex (2 x 0.5ml STAT DOSE Cartridges)6 mg/0.5 ml
Imitrex (5 x 0.5ml Injection Vials)6 mg/0.5 ml
Imitrex STAT DOSE Starter Kit (with 2 x 0.5ml Cartridges)6 mg/0.5 ml
Imitrex (2 Nasal-Spray per Pack)20 mg
Imitrex100 mg

Generic Equivalent of Imitrex

TypeDrug NameDosage 
Sumatriptan50 mg
Sumatriptan100 mg

Is A Prescription Required To Acquire Imitrex?

A Prescription is required to purchase Imitrex from our approved Canadian online pharmacies.

What Is the Drug Imitrex Used for?

Imitrex prescribed by the doctor to provide relief from migraine headaches and other symptoms associated with migraine attack. Imitrex should not be used continuously to reduce or the number of attacks. Imitrex should only be used to treat an actual migraine headache.

What Is a Migraine Headache?

Migraine headache is defined as an extreme, throbbing headache which can cause pain or one or both sides of your head. It may be accompanied by nausea and vomiting, with sensitivity to noise and light. The pain and symptoms of migraine headache are much worse than a common headache. Some people might also experience visual symptoms before the headache such as flashing lights, known as aura.

How Does Sumatriptan Work on Migraines?

Migraine occurs because of the widening of blood vessels in the head. Imitrex (Sumatriptan Succinate) helps to relieve the migraine by narrowing these vessels. It also reduces the substances in the body that can trigger migraine symptoms of headache, nausea, sensitivity to light and sound.

How Is Imitrex Supplied and Stored?

Imitrex is a product of GlaxoSmithKline Canada, also known as Imigran. The drug is available in three dosage forms of 5 mg, 20 mg and 100 mg. The 5 mg and 20 mg dosage are each supplied in boxes of 2 nasal spray devices (1 x 2 devices). Each unit dose spray supplies 5 mg and 20 mg respectively. The 100 mg dosage is available in blister packs containing 6 tablets.

We also supply the generic version of Imitrex called Mylan-Sumatriptan comes from Canada manufactured by Mylan. Generic Sumatriptan is available in 100 mg tablet form.

Imitrex tablets should be stored in a cool and dry place at a temperature of 15-30 °C. The nasal spray Imitrex should be kept away from heat and light which can spoil them. The nasal spray device should always be kept in the nasal spray carton provided at a temperature between 2°C and 30°C. The medication should be kept out of reach and sight of children as it may be harmful for them.

How Much is Imitrex?

Our Canada Wide pharmacy is pleased to offer you the generic Sumatriptan 100 mg at the lowest price of $7.3 per tablet. The online pharmacy price for sumatriptan is around $11.09, 35% off the average cost. It is best to compare prices from online mail-order pharmacies.

Can You Take Advil And Sumatriptan Together?

If the first dose of this drug dies not provide relief from migraine, then it is fine to take pain killers like paracetamol or other non-steroidal anti-inflammatory drugs such as ibuprofen.

Is There An Over The Counter Imitrex?

Migraine medications like Imitrex are only available as prescription drugs and not over the counter.

How Much Imitrex Can You Take In A Day?

You should take Imitrex exactly as prescribed by your health care professional. The label on the container of your medicine or the leaflet inside will be able to tell you how often and how much dose you should take. If you are not sure, ask your health care professional. It is important not to take more medicine than prescribed. The nasal spray or tablets can be taken any time during the headache. A second dose of nasal spray or tablets can be taken only after 2 hours of the last dose. Do not take more than 40 mg of nasal spray dose or 200 mg of Imitrex tablets in 24-hour period. The Imitrex tablets can be taken with or without food and should be swallowed whole with water.

How Often Can You Take Sumatriptan 100 mg?

You can take Sumatriptan 100 mg when you have a migraine headache. If you do not get the relief you can take it only after 2 hours of the first dose. But do not take more than 200 mg of Sumatriptan in any 24-hour period.

How Often Can I Take Sumatriptan Nasal Spray?

The nasal spray or tablets can be taken any time during the headache. A second dose of nasal spray or tablets can be taken only after 2 hours of the last dose. Do not take more than 40 mg of nasal spray dose in a 24-hour period.

What Should I Avoid While Taking Imitrex?

Imitrex can result in drowsiness. Do not drive or use machinery until you are sure that you are not drowsy.

Is Imitrex a Controlled Substance?

Imitrex belongs to the class of anti-migraine drugs. Imitrex 5 mg, 20 mg or 100 mg is not a controlled substance under the Control Substance Act.

How is Imitrex Metabolized in Body?

Imitrex (sumatriptan) is rapidly absorbed and metabolized in body and has a half-life of approximately 2 hours.

How Long Does It Take For Sumatriptan To Take Effect?

Imitrex reaches the maximum concentration and starts to work in the body in about half an hour.

What Are The Possible Side Effects of Imitrex?

Like all other medications, Imitrex can also cause side effects. Not everyone experiences them. For most people, these side effects are temporary and minor. Consult your doctor if you experience the below mentioned side effects. The most common side effects include pain or pressure or tightness in any part of body, including chest or throat, heaviness sensation, cold sensations such as numbness, tingling, flushing, feeling sick, vomiting, dizziness, drowsiness, tiredness and weakness. Some other side effects include slow or fast heartbeats, irregular heartbeats, visual disturbance, shaking tremors, uncontrolled movements, loss of normal coloration in fingers and toes. Rarely people can experience chest pain, tightness in throat, loss of vision, shortness of breath, wheezing, swelling of eyelids, lips, skin rash, seizure, sudden or severe abdominal pain. These are not all the side effects of Imitrex. In case you experience any unexpected effect, consult your health care professional immediately.

When Should You Not Take Imitrex?

Do not take Imitrex if you:
  • Are allergic to Sumatriptan or any of the ingredients of Imitrex
  • Have a history of heart problems
  • Have high blood pressure
  • Have been taking or recently taken Monoamine oxidase inhibitors (within last 2 weeks)
  • Are taking or recently taken (within 24 hours) an ergotamine medication or any other triptan used to treat migraine
  • Have any liver disorders
Imitrex should not be used for treating any other type of headaches that are not related to migraine attacks.

What Should You Tell Your Doctor Before Taking Imitrex?

Before you take Imitrex, you should tell your doctor if you:
  • Are pregnant or planning to become pregnant or using insufficient contraception
  • Are breast-feeding or planning to do so
  • Suffer from chest pain, heart disease, shortness of breath, irregular heartbeats
  • Had a heart attack or angina in the past
  • Are at the risk of heart disease (have high blood pressure, high cholesterol, obesity, diabetes, smoking history, postmenopausal or a male over 40 years of age)
  • Had allergy to this or any other medicine or are allergic to sulpha containing drugs
  • Are taking medications especially migraine medications such as other triptans or those containing ergotamine
  • Have ever experienced difficulty in moving one side of your body while having a headache
  • Had a stroke, transient ischemic attack or Raynaud Syndrome in the past
  • Are under 18 years or over 65 years of age
  • Are taking lithium, or anti0depressants such as monoamine oxidase inhibitors (MAOIs), selective serotonin reuptake inhibitors (SSRIs), or serotonin noradrenaline reuptake inhibitors (SNRIs)
  • Have any kidney or liver disease
  • Have epilepsy or seizures
  • Have headache that is different from usual migraine headaches

What Medicines Can Interact With Imitrex?

It is important to tell your health care professional about all other medicines that you have taken recently including any kind of supplements and non-prescription drugs.

Medicines which interact with Imitrex include:
  • Monoamine Oxidase Inhibitors
  • Anti-depressants such as fluoxetine and venlafaxine
  • Serotonin receptor agonists like sumatriptan, rizatriptan
  • Ergotamine drugs like Cafergot, dihydroergotamine and methysergide

Where Can I Buy Imitrex Online?

If prescribed by your health care professional, Imitrex can be bought directly from Canadian Online Pharmacy. You will not have to wait to start your therapy due to the swift shipping service provided by us.

How Is Imitrex Delivered?

The standard delivery fee is $10.00. The orders are usually shipped in 2-3 working days after the processing of the order. The medication package is delivered by regular mail within 10-14 business days after it has been shipped.

For further information and aid, you can contact our Customer Service at 604-581-4000 or email us at


  • Mailing Address:
  • Canada Wide Pharmacy
  • 102-15129 100 Avenue
  • Surrey, BC, V3R 9P4
  • order by phone 604-581-4000
  • Pharmacist: Yasir Mohamed
  • Pharmacy Hours:
  • Weekdays: 9:00AM - 5:00PM
  • Saturday: Closed
  • Sunday: 9:00AM - 2:00PM