Vision loss may be partial or complete. Also tell them about any supplements you take. Liver function: Liver disease or reduced liver function may cause Cialis Tadalafil to build up in the body, causing side effects. Medications other than those listed above may interact with Cialis Tadalafil. Alcohol: Consumption of alcohol may decrease the ability to achieve an erection and may also temporarily decrease blood pressure, causing dizziness and fainting.It typically takes 30 to 60 minutes for the medication to start working and has an effect that lasts up to 36 hours. Cialis comes in different dosages depending on what you and your doctor determine to be most suitable for your needs. You can connect with a doctor on Maple in minutes who can prescribe Cialis online in Canada at their discretion. Tadalafil, or generic Cialis, is most commonly used to treat erectile dysfunction (ED). However, it’s also used to treat benign prostatic hyperplasia (BPH) and pulmonary arterial hypertension. 10 mg 20 mg The cost for these different strengths depends on whether you have insurance, your individual plan coverage, and your treatment plan. For example, Cialis for erectile dysfunction.