Histamine Diagnostic

Side Effects of This Medicine

Along with its needed effects, histamine 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:

More common

Dizziness, lightheadedness, or fainting; fast or pounding heartbeat; headache (continuing or severe); nervousness

Less common or rare

Convulsions (seizures); difficulty in breathing; flushing or redness of face

With large doses

Bluish coloration of face; blurred vision; chest discomfort or pain; decrease in blood pressure (sudden); diarrhea (severe); difficulty in breathing (severe); nausea and vomiting (severe)

Other side effects may occur that usually do not need medical attention. These side effects should go away as the effects of the medicine wear off. However, check with your doctor if any of the following side effects continue or are bothersome:

More common

Abdominal or stomach spasms or cramps; diarrhea; metallic taste; nausea or vomiting; stomach pain; swelling or redness at place of injection

Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.