Tadalafil tablets in the medication does not exist the so-called “best way to eat” such a statement, but should be based on the patient’s condition and needs, under the guidance of a professional physician to take the drug as needed, on time, can achieve a good therapeutic effect. Tadalafil in the treatment of erectile dysfunction, can be divided into on-demand medication and daily medication. 1. On-demand medication: For most patients, the recommended starting dose is 10mg, which can be taken before sexual intercourse. Depending on the patient’s individual therapeutic effect and tolerance of the drug, the dose can be increased to 20mg or lowered to 5mg, and the maximum frequency of taking the drug is once a day. 2. Daily dosing: The recommended starting dose for once-daily dosing is 2.5mg, and the time of day should be consistent. Patients do not need to consider when to have sex, and the once-daily dosage should be increased to 5mg depending on the individual. The use of tadalafil may cause adverse reactions such as headache, back pain, and indigestion. Tadalafil is contraindicated in people who are allergic to any of the ingredients in this product, patients who are taking any form of nitrates, guanylate cyclase stimulators, women, children and other people. If you need to use the drug, it is recommended to use the drug under the guidance of a doctor, not blindly self-medication to avoid adverse effects.