Stop using Myrbetriq and get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
pain or burning when you urinate; or
dangerously high blood pressure - severe headache, blurred vision, pounding in your neck or ears.
Common Myrbetriq side effects may include:
painful urination;
increased blood pressure;
sinus pain, sore throat;
constipation;
headache; or
dry mouth or fast heartbeats (when taken with solifenacin).
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
 Myrbetriq side effects (more detail)
