Your doctor will discuss the best treatment plan for you. You can buy it from a store-based pharmacy or reputable online pharmacy with a prescription. Therefore the use of such treatments in combination with Cialis is not recommended. If you are thinking about using tadalafil please discuss it with your doctor. You can use Cialis on a daily basis at a lower dosage. Remember that this wikiHow quiz is informational, and your results should not be considered a medical diagnosis.Best prices for generic cialis on the Internet! The safest way is to ask your physician to try an alternate prescription. Detailed dosage guidelines and administration information for Cialis (tadalafil). Includes dose adjustments, warnings and . heart attack symptoms – chest pain or pressure, pain spreading to your jaw or shoulder, nausea, sweating. Common tadalafil side effects may include: headache; flushing (warmth, redness, or tingly feeling); nausea, upset stomach; stuffy nose; or. muscle pain, back pain, pain in your arms, legs, or back. This is not a complete list of side. CIALIS for once daily use is a lower dose you take every day. • Do not take CIALIS more than one time each day. • Take one CIALIS tablet every day at about the same time of day. You may attempt sexual activity at any time between doses. • If you miss a dose, you may take it when you remember but do not take more than one dose per day.