Sildenafil Citrate is not usually recommended to take 100mg for the first time.
Sildenafil citrate can be used to treat erectile dysfunction, usually the recommended dose is 50mg and the maximum dose is 100mg. so if the patient is using the drug for the first time, it is recommended to take 50mg can be taken.
If the patient is older than 65 years old, liver damage, severe kidney damage, etc., a starting dose of 25mg is appropriate, and the dose can be increased at a later date if it is found to be ineffective after use.
After using the drug patients may experience adverse reactions such as headache, nausea, myalgia. The drug is contraindicated for patients who are allergic to the components of the drug, use nitrate drugs, combined use of guanylate cyclase stimulators and so on. Note that the drug should be used under the guidance of a doctor, avoid unauthorized use of the drug, so as not to cause adverse reactions.
If the patient, after taking sildenafil citrate, has an erection for more than 4 hours and so on, it is recommended to consult a doctor in time and follow the doctor’s instructions.