Botulism antitoxin Side Effects

For the Consumer

Applies to botulism antitoxin: intravenous solution

Along with its needed effects, botulism antitoxin may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur while taking botulism antitoxin:

• Headache
• hives or welts
• itching skin
• nausea
• rash
• redness of the skin

• Chills
• fever
• throat discomfort

• Chest pain or discomfort
• cough
• difficulty with breathing
• fast, pounding, or irregular heartbeat or pulse
• feeling of discomfort
• increased sweating
• inflammation of the joints
• lightheadedness, dizziness, or fainting
• muscle aches
• no blood pressure or pulse
• noisy breathing
• slow or irregular heartbeat
• stopping of heart
• swollen lymph glands
• tightness in the chest
• unconsciousness
• unusual tiredness

• Blurred vision
• confusion
• difficulty with moving
• difficulty with swallowing
• dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
• hoarseness
• large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
• muscle cramping
• muscle pains or stiffness
• noisy breathing
• puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
• redness of the skin
• sweating
• swollen joints
• swollen, painful, or tender lymph glands in the neck, armpit, or groin

Some side effects of botulism antitoxin may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

• Anxiety
• decrease in the frequency of urination
• decrease in urine volume
• difficulty in passing urine (dribbling)
• dry mouth
• hyperventilation
• irritability
• painful urination
• restlessness
• shaking
• trouble sleeping

• 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

For Healthcare Professionals

Applies to botulism antitoxin: injectable solution

Hypersensitivity

During 1967 to 1977, when larger antitoxin doses were given, hypersensitivity reactions were reported in 9% of patients and anaphylaxis occurred in 2% of patients. within 10 minutes of antitoxin administration.

An investigational heptavalent antitoxin (n=50) was associated with serum sickness (2%) and mild allergic reactions (18%).^[Ref]

Hypersensitivity reactions have included urticaria, serum sickness and anaphylaxis. A small challenge dose should be administered before the full dose to screen patients for hypersensitivity.^[Ref]

Some side effects of botulism antitoxin may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

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. Drugs.com 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.