There are many safe, reliable online services offering ED prescriptions. However, others work on a cash-pay basis and don’t partner with insurance companies. Taking generic ED medications is an effective way to save money without sacrificing quality. People with heart conditions should never take ED medications without consulting a doctor. Yes, ED pills can cause side effects. The starting dose we generally recommend is the 10mg pill. Contact your medical provider if you experience any side effects during treatment.Brand-name Cialis. $20 for a single 5-mg oral tablet; $80 for a single or mg oral tablet; Daily generic Cialis (tadalafil) $8 for a daily mg or 5-mg tablet; Generic Cialis (tadalafil). Get savings updates for Tadalafil (Cialis) Receive price alerts, news, and other messages from GoodRx about Tadalafil (Cialis) and other healthcare topics and . Cialis (tadalafil) is an expensive drug used to treat erection problems in men. It may also be used to treat the enlargement of the prostate gland. This drug is slightly more popular .