Product Warnings
Consult a health care provider prior to use if you have human herpes virus, if you have sickle cell anemia, if you are taking antihypertensive, cyclosporine, estrogens, birth control medications, medroxyprogesterone, norethindrone, nitrates, potassium-increasing drugs, sildenafil, xylitol, and/or aminophyllins, if you have gout, if you have decreased platelet count, if you have elevated blood-urea-nitrogen, serum creatine and creatinine, and if you have delayed menses. Do not use if you have had a myocardial infarction (heart attack). Do not use if you have asthma or if you are pregnant of breastfeeding.