Learn more about our editorial standards here. Cialis will be available by prescription only. Always talk to your doctor about the risks and benefits of any treatment. Therefore the use of such treatments in combination with Cialis is not recommended. CIALIS can cause your blood pressure to drop suddenly to an unsafe level if it is taken with any nitrate medication. Luckily, Cialis can be used by men over This is a serious condition that requires immediate medical attention.Updated 09/22/ You’re with your partner, the lights are low and you’ve pressed play on your “Sexy Time” playlist. There’s just one thing missing: an erection. This is where Cialis® comes in. Cialis, the brand name for tadalafil, is FDA-approved for the . Published on October 18, warning This article is no longer being updated and some information may not be current. Visit the GoodRx Healthhomepage for our latest articles. We have good news for you: generic Cialis, used to treat erectile dysfunction (ED)and . Is there an over-the-counter Viagra? Viagra is only available with a prescription in the United States, Canada, and most other countries. Viagra is sold under the generic name sildenafil, which.