Kalbitor Side Effects

Generic Name: ecallantide

Note: This page contains information about the side effects of ecallantide. Some of the dosage forms included on this document may not apply to the brand name Kalbitor.

In Summary

More frequent side effects include: pruritus. See below for a comprehensive list of adverse effects.

For the Consumer

Applies to ecallantide: subcutaneous solution

In addition to its needed effects, some unwanted effects may be caused by ecallantide (the active ingredient contained in Kalbitor). In the event that any of these side effects do occur, they may require medical attention.

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

• Blurred vision
• chest discomfort
• confusion
• cough
• difficulty with breathing
• difficulty with swallowing
• dizziness
• dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
• fast heartbeat
• feeling of warmth
• fever
• hives or welts, itching, or skin rash
• puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
• redness of the face, neck, arms, and occasionally, upper chest
• redness of the skin
• runny nose
• sneezing
• stuffy nose
• sweating
• throat irritation
• tightness in the chest
• unusual tiredness or weakness

Minor Side Effects

Some of the side effects that can occur with ecallantide may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:

• Headache

• Bleeding, blistering, burning, coldness, discoloration of the skin, feeling of pressure, hives, infection, inflammation, itching, lumps, numbness, pain, rash, redness, scarring, soreness, stinging, swelling, tenderness, tingling, ulceration, or warmth at the injection site
• muscle aches
• nausea
• sore throat

For Healthcare Professionals

Applies to ecallantide: subcutaneous solution

General

The most common adverse reactions were headache, nausea, diarrhea, pyrexia, injection site reactions, and nasopharyngitis.^[Ref]

Dermatologic

Common (1% to 10%): Pruritus, rash, urticaria^[Ref]

Gastrointestinal

Very common (10% or more): Nausea (up to 13%), diarrhea (up to 11%)
Common (1% to 10%): Vomiting, upper abdominal pain^[Ref]

Hypersensitivity

Common (1% to 10%): Anaphylaxis
Frequency not reported: Hypersensitivity reactions^[Ref]

Local

Common (1% to 10%): Injection site reactions^[Ref]

Nervous system

Very common (10% or more): Headache (up to 16%)^[Ref]

Other

Very common (10% or more): Fatigue (12%)^[Ref]

Respiratory

Common (1% to 10%): Upper respiratory tract infection, nasopharyngitis^[Ref]

Not all side effects for Kalbitor may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

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