Yes. Thanks to telehealth medicine, filling your prescriptions online is easier and faster than ever. You can buy ED medications, like Cialis and its generic version, through a variety .Kidney disease that needs to be treated with dialysis. When taken at the correct time and paired with sexual stimulation, the erection lasts long enough for successful intercourse. They have the same benefits and risks as their brand-name counterparts. Consult your healthcare provider for more information about interactions and how they may affect you. This medicine works best when you take it on an empty stomach an hour before sex.You should never take tadalafil (Cialis) when taking nitrate medication for chest pain (angina) because it can cause your blood pressure to suddenly drop to unsafe levels. . Yes. Thanks to telehealth medicine, filling your prescriptions online is easier and faster than ever. You can buy ED medications, like Cialis and its generic version, through a variety . Tadalafil (Cialis) is available both as brand-name and generic tablets. Common side effects of this medication include headache and indigestion. Tadalafil (Cialis) does interact with .Talk with your healthcare provider about your sex life and desired use. The drug is approved for use in adults. Privacy: Confirm that your personal data and payment details are confidential. The drug works by increasing blood flow to the penis, thus aiding in achieving an erection. National Library of Medicine.