First time to take sildenafil citrate tablets need to pay attention to avoid taking certain drugs at the same time, pay attention to contraindications, take before sex and give sexual stimulation.
1. Avoid taking certain drugs at the same time: the use of this drug should not be combined with nitric oxide donors (such as amyl nitrite) or any form of nitrates, guanylate cyclase stimulators (such as leucovorin), the most potent CYP3A4 inhibitors (such as ketoconazole, itraconazole, ritonavir) and other drugs.
2. Contraindications: Note that sildenafil citrate tablets are contraindicated in patients with non-arteritic anterior ischemic optic neuropathy, severe hepatic impairment, recent history of stroke or myocardial infarction, and initially severe hypotension, and are also contraindicated in patients who are hypersensitive to the active ingredient of the drug and excipients.
3. Take and give sexual stimulation before sex: Sildenafil citrate tablets need to be taken 0.5~4 hours before sex; and after taking it, appropriate sexual stimulation is needed to make it work, otherwise it does not work.
Common adverse reactions to Sildenafil Citrate Tablet mainly include headache, flushing, dizziness, nasal congestion, indigestion, and visual abnormalities. It must be taken under the guidance of a doctor, and should not be used privately to avoid discomfort.