Tadalafil is a medication for the treatment of male erectile dysfunction, if the use of 5mg for treatment has no effect can be changed to oral 10mg for treatment; up to 20mg once a day, it is recommended that the use of under the guidance of a doctor.
The first use of tadalafil for the treatment of erectile dysfunction in men is usually recommended 10mg, and most patients can achieve more satisfactory results with 10mg. If the effect of 10mg is still not good, you can use up to 20mg once a day.
Some patients may experience dizziness, headache, vomiting and other symptoms after using the drug, the higher the dosage, the greater the chance of discomfort, if necessary, need to stop the drug and go to the hospital.
Overall, tadalafil is a prescription drug, there are certain contraindications as well as side effects, need to be used under the guidance of a professional doctor. For example, it should not be used by people using nitrate antihypertensive drugs to avoid causing hypotension; it should be used with caution by patients with liver or kidney insufficiency.