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Side effects

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

The most common side-effects of sumatriptan are:

  • reaction at the injection site after subcutaneous administration - flushing, heat, tingling
  • neck pain with stiffness

Less common side-effects include:

  • in 3-5% of patients there is chest tightness, heaviness, pressure, or pain.

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