The optimal dose of sildenafil varies from person to person, and the general recommended dose is 50mg, to be taken as needed 1 hour before sex, not necessarily in the morning.
Sildenafil is is a cyclic guanosine monophosphate-specific phosphodiesterase inhibitor that promotes penile erection in the presence of sexual stimulation. It is used clinically to treat erectile dysfunction.
The general recommended dose of sildenafil is 50mg, which can be increased up to a maximum of 100mg or decreased to 25mg depending on the efficacy and tolerance of the drug, which can be adjusted on an individual basis. It is usually taken as needed about 1 hour before sexual activity, not necessarily in the morning, and up to once daily.
Sildenafil is contraindicated in people with a history of hypersensitivity to the ingredients of this drug, and should not be combined with nitrates or guanylate cyclase agonists such as lioresiguanide, which may cause hypotension. Sildenafil may cause adverse reactions such as headache, flushing, dyspepsia, abnormal vision, and back pain.
Sildenafil should be used under the guidance of a doctor, do not increase or decrease the dose or increase the number of doses at will to avoid adverse reactions.