According to a survey by Northern California's Candida Research and Information Foundation, symptoms of exposure to perfumes and other fragranced products include "watery or dry eyes, double vision, sneezing, nasal congestion, sinusitis, tinnitus, ear pain, dizziness, vertigo, coughing, bronchitis, difficulty breathing, difficulty swallowing, asthma, anaphylaxis, headaches, seizures, fatigue, confusion, disorientation, incoherence, short-term memory loss, inability to concentrate, nausea, lethargy, anxiety, irritability, depression, mood swings, restlessness, rashes, hives, eczema, flushing, muscle and joint pain, muscle weakness, irregular heart beat, hypertension, swollen lymph glands, and more."

†