SC contains no phosphates, unlike most metal control products available. There were highly statistically significant improvements on the two principal IIEF questions frequency of successful penetration during sexual activity and maintenance of erections after penetration on sildenafil tablets compared to placebo. In addition, patients were asked a global efficacy question and an optional partner questionnaire was administered. Unfortunately, some types of crystals require physically grinding them away. The primary measure in the principal studies was a sexual function questionnaire the International Index of Erectile Function – IIEF administered during a 4-week treatment-free run-in period, at baseline, at follow-up visits, and at the end of double-blind, placebo-controlled, at-home treatment.A pill’s imprint code can be made up of any single letter or number, or any combination of letters, numbers, marks, or symbols. It might include words, the drugmaker’s name, or . Pill Identifier. Medscape’s Pill Identifier helps you to ID generic and brand name prescription drugs, OTCs, and supplements. Search from over 10, tablets and . GREEN OVAL Pill with imprint sc tablet, film coated for treatment of Hypertension, Pulmonary, Impotence, Vasculogenic with Adverse Reactions & Drug Interactions .