<unk>  is a condition that affects multiple systems, generally in an inflammatory manner. Symptoms typically wax and wane over time, varying in severity and duration. Many signs and symptoms are the same as those for<unk> ocytosis, because both conditions result in too many mediators released by<unk> <unk> s. It has many overlapping characteristics with recurrent idiopathic anaphylaxis, although there are distinguishing symptoms, specifically hives and angioedema. Common symptoms include: * Dermatological * flushing * hives * easy bruising * either a reddish or a pale complexion * itchiness * burning feeling * dermatographism * Cardiovascular * lightheadedness, dizziness, presyncope, syncope, arrhythmia, tachycardia * Gastrointestinal * diarrhea and/or constipation, cramping, intestinal discomfort * nausea, vomiting, acid reflux * swallowing difficulty, throat tightness * Respiratory * congestion, coughing, wheezing * Anaphylaxis If too many mediators are released into a patient's system, they may also experience anaphylaxis, which primarily includes: difficulty breathing, itchy hives, flushing or pale skin, feeling of warmth, weak and rapid pulse, nausea, vomiting, diarrhea, dizziness and fainting.
Mast cell activation syndrome
CREST syndrome
Cytokine release syndrome
MOMO syndrome
SUNCT syndrome
Macrophage activation syndrome
Systemic inflammatory response syndrome
OSLAM syndrome