Take the medicine at the same time each day, with or without food. Integrated analysis of 11 tadalafil trials concluded that tadalafil is a very effective and well tolerated treatment for ED. Tadalafil may not be safe for people with certain medical conditions, including people who have had a stroke , have coronary heart disease or retinitis pigmentosa an eye disease. It’s not just a medication for momentary pleasure; it has a lasting impression on heart health. Knowledge is Power It’s imperative to consult a healthcare professional before starting any medication, including Cialis. However, in the rare event of an adverse reaction, immediate medical attention is paramount.Cialis (tadalafil) is an oral medication that treats erectile dysfunction (ED). One dose of Cialis lasts longer than a dose of the well-known Viagra (sildenafil). You can take Cialis when you need it, typically 30 minutes before sex. If that doesn’t work for you, another option is taking a low-dose pill every day for ongoing erectile support. Cialis. Cialis 40/20mg, packs of 10 – Pills. The sexual enhancer Cialis is mainly used by men with medically diagnosed erectile dysfunction. This is when the erection is not sufficient for satisfactory sexual intercourse. The drug requires a prescription and is only dispensed in pharmacies against a prescription. Check Price.  · The typical dose for once-daily Cialis for ED is milligrams (mg) to 5 mg. When used as needed for ED, the usual Cialis dose is 10 mg (with a maximum daily dose of 20 mg). The typical dose of.