Do not attempt to prevent migraines with this drug, and do not use it for tension headaches, cluster headaches, or unusual types of migraine such as hemiplegic or basilar migraine.
It shortens the duration of the headache but will not prevent attacks.
Relpax is prescribed to treat migraine headaches with or without the presence of auras (visual disturbances that precede an attack, such as halos or flickering lights).
Relpax should only be prescribed during a genuine attack of classic migraine.
Relpax side effects that you should report to your health care professional or doctor as soon as possible:
More common side effects may include:
- Dry mouth;
- Chest tightness or pressure;
Less common side effects may include:
- Throat tightness;
- Feeling of warmth;
- Difficulty swallowing;
- Abdominal discomfort;
Relpax is contraindicated if you have any of the following conditions:
- If relpax causes an allergic reaction;
- If you are at risk for stroke or heart disease;
- If you develop high blood pressure that can't be controlled;
- If you experience chest pains, shortness of breath, sudden numbness or weakness on one side of the body, trouble speaking or seeing, loss of balance, bloody diarrhea, or stomach pain;
- If you have ever had a heart attack;
- If you have ever had any of the following vascular problems: angina, cardiovascular disease, coronary artery vasospasm, ischemic bowel disease, ischemic heart disease, peripheral vascular disease, prinzmetal's angina, stroke, transient ischemic attacks, or uncontrolled high blood pressure;
- If you have severe liver impairment;
Do not take Relpax with any of the following drugs:
- Zolmitriptan (zomig);
- Troleandomycin (tao);
- Sumatriptan (imitrex);
- Rizatriptan (maxalt, maxalt-mlt);
- Ritonavir (norvir);
- Nelfinavir (viracept);
- Nefazodone (serzone);
- Naratriptan (amerge);
- Methysergide (sansert);
- Ketoconazole (nizoral);
- Itraconazole (sporanox);
- Frovatriptan (frova);
- Ergotamine (cafergot);
- Dihydroergotamine (dhe-45, migranal);
- Clarithromycin (biaxin);
- Almotriptan (axert);
Relpax is not recommended for use in children under 18 years old.
When a headache begins, take one 20-milligram or 40-milligram tablet.
If the headache goes away but returns later, a second dose may be taken if 2 hours have elapsed since the first dose.
If the first dose does not relieve the headache, check with your doctor before taking a second one.
Do not take more than 80 milligrams of Relpax in a 24-hour period.
Any medication taken in excess can have serious consequences.
If you suspect an overdose, seek medical attention immediately.