Get emergency medical help if you have signs of an allergic reaction to Onpattro: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Some side effects may occur during the injection. Tell your caregiver if you feel warm, dizzy, nauseated, light-headed, or have a headache, fast heartbeats, swelling in your face, stomach pain, chest pain, or trouble breathing.
Common Onpattro side effects may include:
cold symptoms such as stuffy nose, sneezing, sore throat.
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.
 Onpattro side effects (more detail)
