HYQVIA is a liquid medicine that is given under the skin (subcutaneously) to treat primary immunodeficiency (PI) in adults.

Side effects

Be Informed. Understand the side effects.

What’s up with side effects? Here’s the lowdown.

Any time you’re learning about a new medication, make sure to ask your doctor about potential side effects. It’s an important part of the conversation. And it’s important for you to understand both the benefits and the risks that can come with introducing a new treatment to your PI management plan.

HYQVIA can cause blood clots. Call your doctor if you have pain, swelling, warmth, redness, or a lump in your legs or arms, other than at the infusion site(s), unexplained shortness of breath, chest pain or discomfort that worsens on deep breathing, unexplained rapid pulse, numbness or weakness on one side of the body.

Tell your doctor if you are pregnant, trying to become pregnant, or are breast feeding. Also let your doctor know if you have or had any kidney, liver or heart problems because HYQVIA can make these problems worse.

Do not take HYQVIA if you are allergic to IgG, hyaluronidase, other blood products, or any ingredient in HYQVIA.

HYQVIA can cause serious side effects. If any of the following problems occur after starting HYQVIA, stop the infusion immediately and contact your HCP or call emergency services:

  • Hives, swelling in the mouth or throat, itching, trouble breathing, wheezing, fainting or dizziness. These could be signs of a serious allergic reaction.
  • Bad headache with nausea, vomiting, stiff neck, fever, and sensitivity to light. These could be signs of irritation and swelling of the lining around your brain.
  • Reduced urination, sudden weight gain, or swelling in your legs. These could be signs of a kidney problem.
  • Pain, swelling, warmth, redness, or a lump in your legs or arms, other than at the infusion site(s). These could be signs of a blood clot.
  • Brown or red urine, fast heart rate, yellow skin or eyes. These could be signs of a liver or blood problem.
  • Chest pain or trouble breathing, blue lips or extremities. These could be signs of a serious heart or lung problem.
  • Fever over 100°F. This could be a sign of an infection.

The following local reactions may occur at the site of infusion and generally go away in a few hours. Local reactions are less likely after the first few infusions.

  • Mild or moderate pain
  • Redness
  • Swelling
  • Itching

The most common side effects of HYQVIA are:

  • Headache
  • Fatigue
  • Nausea
  • Fever
  • Vomiting