If you are already taking medication to treat BPH, your doctor may tell you to stop taking your other medication at least one day before starting treatment with tadalafil. Brand-name versions of the drug approved for PAH include Adcirca. If you experience chest pain, dizziness, or nausea during sexual activity, call your doctor immediately or get emergency medical treatment, and avoid sexual activity until your doctor tells you otherwise. Take tadalafil at around the same time every day. If you are taking tadalafil for erectile dysfunction, your doctor will probably start you on an average dose of tadalafil and increase or decrease your dose depending on your response to the medication.Tadalafil online 20mg | 10mg,5mg,40mg. If you experience any one of the complying with serious adverse effects of Tadalafil cease using this drug, Buy Tadalafil Generics Online. To measure the effect, test strips or a glucometer are turned on.  · Adults—5 milligrams (mg) once a day, taken at the same time each day, without regard for the timing of sexual activity. Children—Use is not recommended. For treatment of pulmonary arterial hypertension: Adults—40 milligrams (mg) (two 20 mg tablets) taken once a day. Take both tablets at the same time each day. Do not divide . Generic Cialis (tadalafil) is available in mg, 5-mg, mg, mg, and mg tablets for daily or as-needed use. • starts at $ for 1-month supply of daily Cialis • starts at $40 for.