Your health information should remain between your provider and yourself. Sexual activity may be a strain on your heart, especially if you have heart disease. Medicines that you take by mouth are called oral medicines. Do not take a double dose to make up for a missed one. We considered cost, medications available, and whether generic versions were offered to help reduce costs.The recommended starting dose for Cialis intended for once daily use is mg, take at the same time each day, without regard to timing of sexual activity. This may be increased to 5mg/day based on need and tolerability. May be taken with or without food. Cialis is available as a generic, under the name tadalafil. 3. Tadalafil, the generic version of Cialis is available for about $9 for 30 tablets of the 5 mg strength. Does cialis have a generic? expand_more. Yes, Cialis is available as a generic medication called tadalafil. Generic medications are just as effective as the brand. Tadalafil 10 mg is available for about $10 for 10 tablets with GoodRx. heart attack symptoms – chest pain or pressure, pain spreading to your jaw or shoulder, nausea, sweating. Common tadalafil side effects may include: headache; flushing (warmth, redness, or tingly feeling); nausea, upset stomach; stuffy nose; or. muscle pain, back pain, pain in your arms, legs, or back. This is not a complete list of side.