Below is a list of symptoms of this condition and the other conditions that could cause them.
Alzheimer's Disease
Encephalitis, Viral
Hyperthyroidism
Anxiety
Attention Deficit/Hyperactivity Disorder
Brain Cancer
Chronic Fatigue Syndrome
Congestive Heart Failure
Insomnia
Post Traumatic Stress Disorder
Premenstrual Syndrome
Allergic Rhinitis
Anemia
Atherosclerosis
Bone Cancer
Bronchitis
Cirrhosis
Colorectal Cancer
Crohn's Disease
Cystic Fibrosis
Diabetes Mellitus
Endocarditis
Erythema
Fibromyalgia
Heat Exhaustion
Hepatitis, Viral
Hyperkalemia
Hypoglycemia
Influenza
Intestinal Parasites
Leukemia
Lyme Disease
Lymphoma
Migraine Headache
Mononucleosis
Motion Sickness
Multiple Sclerosis
Myeloproliferative Disorders
Osteomyelitis
Pericarditis
Pulmonary Hypertension
Radiation Damage
Rheumatoid Arthritis
Sarcoidosis
Sinus Headache
Sinusitis
Sleep Apnea
Systemic Lupus Erythematosus
Tension Headache
Tuberculosis
Varicella-Zoster Virus
Stress
Alcoholism
Menopause
Herpes Simplex Virus
Hypothermia
Meningitis
Otitis Media
Seizure Disorders
Sexual Dysfunction
Amyloidosis
Dementia
Angioedema
Bulimia Nervosa
Chronic Obstructive Pulmonary Disease
Hypothyroidism
Preeclampsia
Amenorrhea
Anorexia Nervosa
Cough
Diarrhea
Dysphagia
Gallbladder Disease
Gastritis
Histoplasmosis
HIV and AIDS
Peptic Ulcer
Pertussis
Prostate Cancer
Pyloric Stenosis
Reiter's Syndrome
Roundworms
Thyroiditis
Ulcerative Colitis