Headache Home > Imitrex


People who take too much Imitrex may have overdose symptoms that could include:
  • Seizures
  • Shakiness
  • Not being able to move or feel (paralysis)
  • Swelling in the arms or legs
  • Wide or dilated pupils
  • Increased saliva and watery eyes.
If you happen to overdose, seek medical attention immediately.
(Click Imitrex Overdose for more information.)

Storage Methods

The medication should be stored at room temperature, away from moisture or heat. The tablets should be kept in an airtight container. Keep Imitrex tablets in their original blister package until you need to use them.
Keep Imitrex and all medications out of the reach of children.

What Should I Do If I Miss a Dose of Imitrex?

Imitrex is not intended to be taken on a regular basis. It should be taken only during a migraine headache.


The tablets are available in three strengths:
  • Imitrex 25 mg tablets
  • Imitrex 50 mg tablets
  • Imitrex 100 mg tablets.
The nasal spray is available in two strengths:
  • Imitrex Nasal Spray 5 mg
  • Imitrex Nasal Spray 20 mg.
The injection is available in the following strengths:
  • Imitrex STATdose 4 mg
  • Imitrex STATdose 6 mg
  • Imitrex Injection single-dose vial (6 mg per 0.5 mL).
Imitrex STATdose is an injection pen kit that comes with everything you need to inject Imitrex.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
List of references (click here):
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