Yes, but only from licensed and regulated pharmacies and with a valid prescription. A deep dive into the ins and outs of purchasing this popular medication online, ensuring that you make informed decisions every step of the way. Cialis can last in the system for up to 36 hours. This leads to shortness of breath when exercising or completing regular daily activities. Is it legal to buy Cialis online? Understanding Erectile Dysfunction and Its Treatment Cialis, scientifically known as Tadalafil, is a prescription medication primarily used to treat erectile dysfunction ED in men.Tadalafil – STADA T20 – 20 Milligramm. Tadalafil, sold under the brand name Cialis among others, is a medication used to treat erectile dysfunction, benign prostatic hyperplasia, and pulmonary arterial hypertension. [4] [5] [7] It is taken by mouth. [7] Onset is typically within half an hour and the duration is up to 36 hours. Cialis lasts up to 36 hours in the body, while Viagra lasts 4–6 hours in the body. Both are taken 30 minutes before sex. Cialis can cause limb pain, while Viagra can cause vision change, rash. With a Goodrx discount, the price for the generic version of Cialis (tadalafil) 5 mg is about $8 for 15 tablets. The brand version costs about $
