Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Some side effects may occur during or after the injection. Tell your caregiver right away if you have:
severe headache, pounding in your neck or ears;
fast, slow, or pounding heartbeats;
wheezing, trouble breathing;
swelling in your face;
nausea;
fever, chills, or shivering;
itching, sweating; or
a light-headed feeling, like you might pass out;
Common side effects may include:
nausea; or
abnormal liver function tests.
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.
 Remdesivir side effects (more detail)
