Yes, but only from licensed and regulated pharmacies and with a valid prescription. Medications, including Cialis, are now available online, making it convenient for patients to access them. Remember, when in doubt, always consult with a healthcare professional. Ensure that the product description mentions this. They can provide guidance on the right dosage and potential drug interactions. It belongs to the drug class known as PDE5 inhibitors. The effect of Cialis Professional lasts longer and these tablets should be held under the tongue.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. It is taken by mouth. Onset is typically within half an hour and the duration is up to 36 hours. Common side effects include headache, muscle pain, . Compare prices and print coupons for Cialis (Tadalafil (Cialis)) and other drugs at CVS, Walgreens, and other pharmacies. Prices start at $  · Use GoodRx to find current prices and discounts. Get free coupons. GoodRx coupons can help you pay less than the cash price for your prescription. Show to your pharmacist. It’s easy. Just bring your free coupon to .