Cialis is the trade name and generic name for tadalafil tablets, the adherence time for taking 10 mg is not known, it may be around 10 minutes to 30 minutes, the drug medication lasts for around 36 hours. Tadalafil tablets are clinically used to treat erectile dysfunction in men. For taking 10 mg tadalafil tablets adherence time, it is not clear, because each person’s degree of absorption of the drug is different, some patients may be used after the drug to maintain an erection for about 10 to 30 minutes, after sex, the penis then weakens. The effect of the drug lasts for about 36 hours or even longer in most people. However, this does not mean that an erection can be sustained for 36 hours after taking the drug, it just means that a good erection can still be maintained during this period of time with sexual stimulation. Since tadalafil tablets enhance the antihypertensive effect of nitrates, they are contraindicated in people who are taking nitrates and who are known to be allergic to tadalafil to prevent accidents. Some people are also susceptible to transient adverse reactions such as headache and dyspepsia, which usually do not affect the use of the drug. It is recommended to take tadalafil tablets under the guidance of a physician, and not to use the drug or increase or decrease the dosage of the drug at will. If there is any discomfort during the use of tadalafil tablets, the drug should be stopped and medical attention should be sought.