Detailed Cialis (tadalafil) and administration information. Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products.(Sildenafil) is an oral, a new generation extra-strength prescription medicine, that activates the natural blood flow, followed by hardness and expansion of your sexually excited penis for peak sexual performance, used to treat erectile dysfunction in men.Cautions. Patients who Minocycline need to be aware of a few basic precautions to avoid health problems. It should not be used in young children (under 8 years of age).