Side Effects | May increase the risk of outbreak of herpes simplex; taking the amino acid L-lysine, 3-6 grams per day, may prevent outbreaks High prolonged intake may cause skin to thicken; reversible if intake is stopped or reduced | Heart attack, sudden death, stroke, heart block, and heart failure Face edema, light sensitivity, shock, weakness, pain, chills, accidental falls, abdominal pain, allergic reaction, and chest pain Angina, loss of consciousness, rapid heart beat Low blood pressure, dizziness upon standing, cardiac arrest, abnormal EKG, and damage to heart muscle Vomiting, colitis, difficulty swallowing, gastritis, heartburn, dry mouth, abnormal liver function tests, and rectal bleeding Anemia and reduced white blood cell count Gout, unstable diabetes, elevated blood sugar Arthritis, muscle pain, tendon rupture, and bone pain Migraine, loss of coordination, nerve pain, nerve damage, numbness, tremor, vertigo, insomnia, and depression Asthma, shortness of breath, laryngitis, sinusitis, bronchitis, and cough Rash, herpes simplex, itching, sweating, and skin ulcer Eye pain, eye bleeding, dry eyes, conjunctivitis, constriction of pupils, ear pain, deafness, and ringing in ears Urinary frequency, urinary incontinence, abnormal ejaculation, inability to orgasm, and abnormal swelling of genitals |