When and How to Take Relpax

Some general considerations for when and how to take the medication include the following:
  • It should be taken by mouth as soon as possible once a migraine starts.
  • Swallow Relpax tablets whole with a drink of water or other fluid.
  • If your headache comes back or does not go away, your healthcare provider may recommend taking a second dose after waiting at least two hours after the first dose. Let your healthcare provider know if Relpax does not completely work after one dose.
  • For the medication to work properly, you have to take it as prescribed. It will not work if you stop taking it.


The dosage your healthcare provider recommends will vary depending on a number of factors, including:
  • How you respond to Relpax
  • Other medical conditions you may have
  • Other medications you may be taking.
As with any medication, do not adjust your dose unless your healthcare provider specifically instructs you to do so.
(Click Relpax Dosage for more information.)

Side Effects

As with any medicine, there are possible side effects. However, not everyone who takes the medication will experience side effects. In fact, most people tolerate it well. When side effects do occur, in most cases they are minor and either require no treatment or can easily be treated by you or your healthcare provider.
The most common side effects of Relpax include:
  • Weakness
  • Nausea
  • Dizziness
  • Drowsiness.
(Click Relpax Side Effects to learn about the specific side effects of this drug, including some of the serious side effects of the medication. You can also read about other possible side effects by going to Relpax and Heart Problems.)
Know the Signs - Concussion Safety

Relpax Drug Information

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