Get started by completing an online visit. The starting dose we generally recommend is the 10mg pill. Lemonaid doctors and nurse practitioners are licensed to prescribe in all the states where we operate. We prescribe 3 different doses: 5mg, 10mg and 20mg. Get started by completing an online visit. The trade-off is that the higher the strength, the greater the chance of side-effects and adverse events.TADALAFIL (ERECTILE DYSFUNCTION) – ORAL (tah-DA-la-fil) COMMON BRAND NAME(S): Cialis. USES: Tadalafil is used to treat male sexual function problems (impotence or erectile dysfunction-ED). In combination with sexual stimulation, tadalafil works by increasing blood flow to the penis to help a man get and keep an erection. Tadalafil is the active ingredient in a branded drug called Cialis. Tadalafil is approved by the FDA to treat erectile dysfunction. It’s available from Lemonaid in 5mg, 10mg and 20mg strength. We don’t prescribe the mg dose. Cialis: available in doses of 5, 10, and 20 mg, starting at $65 per tablet Daily Cialis: 5 mg tablet with pricing starting from $50 per tablet Tadalafil: 20 mg tablet starting at $2 per.