Skip to Content

Protexel Side Effects

Generic Name: protein c

Note: This page contains side effects data for the generic drug protein c. It is possible that some of the dosage forms included below may not apply to the brand name Protexel.

For the Consumer

Applies to protein c: intravenous powder for solution

As well as its needed effects, protein c (the active ingredient contained in Protexel) may cause unwanted side effects that require medical attention.

If any of the following side effects occur while taking protein c, check with your doctor or nurse immediately:

More common:
  • Fainting or loss of consciousness
  • fast or irregular breathing
  • itching
  • lightheadedness
  • skin rash
  • swelling of eyes or eyelids
  • tightness in chest and/or wheezing
  • trouble with breathing
Incidence not known:
  • Blurred vision
  • confusion
  • dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly
  • fever
  • sweating
  • unusual tiredness or weakness

Minor Side Effects

Some protein c side effects may not need any medical attention. As your body gets used to the medicine these side effects may disappear. Your health care professional may be able to help you prevent or reduce these side effects, but do check with them if any of the following side effects continue, or if you are concerned about them:

Incidence not known:
  • Increased sweating
  • restlessness

For Healthcare Professionals

Applies to protein c: intravenous powder for injection


Immunologic side effects have included hypersensitivity or allergic reactions (itching and rash) and lightheadedness.[Ref]


Respiratory side effects have included hemothorax.[Ref]

Nervous system

Nervous system side effects have included fever and restlessness.[Ref]


Cardiovascular side effects have included hypotension.[Ref]


Metabolic side effects have included hyperhidrosis.[Ref]


1. "Product Information. Ceprotin (protein C)." Baxter Healthcare Corporation, Deerfield, IL.

It is possible that some side effects of Protexel may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.