Sumatriptan Injection

Brands: Imitrex

Uses

For headache.

Instructions

This medicine is injected into the skin. Ask your doctor, nurse, or pharmacist where on your body this medicine can be injected and how to inject it.

Store at room temperature or in refrigerator. Do not freeze. Protect from light.

Never use any medicine that has expired.

Please ask your doctor, nurse, or pharmacist how to discard unused medicines safely.

If your headache improves but does not completely disappear after taking this medicine, you may need a second dose.

If you need to take a second dose, wait at least 1 hour after taking your first dose.

This medicine should be used after a migraine headache starts. It should not be used to prevent a migraine headache.

Change the location of the injection each time. Choose a location at least 1 inch from the last injection.

Tell your doctor if you have ever had an allergic reaction to latex.

Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.

Tell your doctor if symptoms do not get better or if they get worse.

Keep all appointments for medical exams and tests while on this medicine.

Do not take the medicine more than twice during 24 hours.

Cautions

During pregnancy, this medicine should be used only when clearly needed. Talk to your doctor about the risks and benefits.

Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.

Some patients taking this medicine have experienced serious side effects. Please speak with your doctor to understand the risks and benefits associated with this medicine.

Your ability to stay alert or to react quickly may be impaired by this medicine. Do not drive or operate machinery until you know how this medicine will affect you.

Please check with your doctor before drinking alcohol while on this medicine.

This medicine passes into breast milk. Ask your doctor before breastfeeding.

If you have had a heart attack or a stroke within the past 6 months, talk to your doctor before using this medicine.

Ask your pharmacist how to properly throw away used needles or syringes.

Do not share this medicine with anyone who has not been prescribed this medicine.

Side Effects

The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.

• dizziness or drowsiness
• lack of energy and tiredness
• feeling of heat or flushing
• numbness or tingling in hands and feet
• high blood pressure
• pain, redness, swelling near injection

If you have any of the following side effects, you may be getting too much medicine. Please contact your doctor to let them know about these side effects.

• fainting
• hallucinations (unusual thoughts, seeing or hearing things that are not real)

Call your doctor or get medical help right away if you notice any of these more serious side effects:

• loss of balance
• chest pain
• severe, watery or bloody diarrhea
• swelling of the legs, feet, and hands
• high fever
• cold hands or feet
• fast or irregular heart beats
• mood changes
• tight or rigid muscles
• pale or blue skin, lips or fingernails
• seizures
• shortness of breath
• stomach pain
• symptoms of stroke (such as one-sided weakness, slurred speech, confusion)
• severe or persistent vomiting

A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.

Extra

Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.

IMPORTANT NOTE: This document tells you briefly how to take your medicine, but it does not tell you all there is to know about it. Your doctor or pharmacist may give you other documents about your medicine. Please talk to them if you have any questions. Always follow their advice. There is a more complete description of this medicine available in English. Scan this code on your smartphone or tablet or use the web address below. You can also ask your pharmacist for a printout. If you have any questions, please ask your pharmacist. The display and use of this drug information is subject to Terms of Use. Copyright(c) 2023 First Databank, Inc.