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Sulfur colloid Side Effects

Medically reviewed by Last updated on Aug 18, 2022.

Applies to sulfur colloid: kit

Side effects requiring immediate medical attention

Along with its needed effects, sulfur colloid 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 sulfur colloid:

More common

  • Cold, clammy skin
  • confusion
  • cough
  • difficulty swallowing
  • dizziness
  • fast heartbeat
  • fast, weak pulse
  • hives or welts
  • itching
  • lightheadedness
  • puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  • rash
  • redness of the skin
  • shortness of breath
  • sweating
  • tightness in the chest
  • unusual tiredness or weakness
  • wheezing

Less common

  • Chills
  • difficult or labored breathing
  • fever
  • heart stops
  • no breathing
  • no pulse or blood pressure
  • seizures
  • unconscious

Incidence not known

  • Burning, redness, swelling, or scarring at the injection site

Side effects not requiring immediate medical attention

Some side effects of sulfur colloid 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:

Less common

  • Abdominal or stomach pain
  • feeling of warmth
  • nausea
  • numbness
  • redness of the face, neck, arms, and occasionally, upper chest
  • sweating
  • vomiting

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.