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Manufactured by Pfizer

*You can pay as little as $0 per fill using Drug Coupons or Patient Assistance Programs. Subject to applicability & eligibility requirements.

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XYNTHA Uses, Side Effects, Interactions, Warnings & Dosing

What is XYNTHA?

What is XYNTHA?

XYNTHA is the brand name for recombinant antihemophilic factor and is available as an injection for IV use.

What dosages is XYNTHA available in?

What dosages is XYNTHA available in?

XYNTHA is available in single-use prefilled dual-chamber syringes containing nominally 250, 500, 1000, 2000, or 3000 IU.

What is XYNTHA used for?

What is XYNTHA used for?

XYNTHA is a clotting factor that is used to to treat or prevent bleeds in people with hemophilia A.

How does XYNTHA work?

How does XYNTHA work?

XYNTHA is a clotting factor replacement for people who are missing special blood-clotting proteins called factor VIII (FVIII) due to hemophilia A. By replacing the missing clotting factor (FVIII, or antihemophilic factor) in people who naturally don’t have it, bleeding episodes can be reduced or treated.

How do I take XYNTHA?

How do I take XYNTHA?

The typical dose of XYNTHA ranges from 25 IU/kg to 30 IU/kg given IV every other day to 3 times a week.

Is it safe for me to take XYNTHA?

Is it safe for me to take XYNTHA?

XYNTHA is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. Do not use if you have manifested life-threatening immediate hypersensitivity reactions, including anaphylaxis, to the product or its components, including hamster proteins.

XYNTHA Common Side Effects

XYNTHA Common Side Effects

Common side effects of XYNTHA:

  • Fever
  • Headache
  • Cough
  • Sore throat, runny nose, and other symptoms of the common cold
XYNTHA Serious Side Effects

XYNTHA Serious Side Effects

Serious side effects are rare with XYNTHA. Contact your healthcare provider immediately if you experience any of the following. Serious allergic reaction (anaphylaxis): difficulty breathing, hives, itching, fast heartbeat, nausea, stomach pain, dizziness, lightheadedness, swelling in the face or tongue

Effects of other drugs, drug classes and over-the-counter products on XYNTHA

Effects of other drugs, drug classes and over-the-counter products on XYNTHA

There are no major drug interactions listed for XYNTHA. However, always let your physician and pharmacist know about any other medications or supplements (including prescribed and over-the-counter medications, vitamins, and dietary or herbal supplements) that you are currently taking.

Who makes XYNTHA?

Who makes XYNTHA?


Is XYNTHA safe in pregnancy?

Is XYNTHA safe in pregnancy?

It is not known if XYNTHA can harm your unborn baby. Tell your healthcare provider right away if you become pregnant while taking XYNTHA. You and your healthcare provider will decide if you should take XYNTHA while you are pregnant.


What to do if you missed your XYNTHA dose

The FDA's medical product safety reporting program for health professionals, patients and consumers.

Learn more about reporting side effects
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Medical Disclaimer

NowPatient has taken all reasonable steps to ensure that all material is factually accurate, complete, and current. However, the knowledge and experience of a qualified healthcare professional should always be sought after instead of using the information on this page. Before taking any drug, you should always speak to your doctor or another qualified healthcare provider.

The information provided here about medications is subject to change and is not meant to include all uses, precautions, warnings, directions, drug interactions, allergic reactions, or negative effects. The absence of warnings or other information for a particular medication does not imply that the medication or medication combination is appropriate for all patients or for all possible purposes.

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