The generic name of Elidel is vardenafil hydrochloride tablets, and vardenafil hydrochloride tablets should not be taken at 40 mg at a time. Vardenafil Hydrochloride Tablets are mainly used to treat erectile dysfunction in men, and the general recommended starting dose is 10 mg, and patients can reduce the dose to 5 mg to increase it to 20 mg depending on the efficacy and tolerability, and the maximum recommended dose for use is 20 mg per day. A single dose of 40 milligrams is beyond the recommended dosage; therefore, 40 milligrams should not be taken at one time. Adverse reactions such as headache, flushing, nausea, dizziness, facial edema, myalgia, drowsiness, and dyspnea may occur after taking vardenafil hydrochloride tablets. It is prohibited for people who are allergic to vardenafil hydrochloride tablets, pregnant women, and people with severe liver damage. If you need to use vardenafil hydrochloride tablets, you need to be under the guidance of a doctor, do not use on your own.