Viagra is the trade name and generic name for sildenafil citrate tablets, which can be affected by high-fat foods that slow down the onset of action.
Sildenafil citrate is a medication used to treat erectile dysfunction, and in order to ensure its effectiveness, it should be taken one hour before sex, and if there is too much fat in the diet it can delay the onset of the drug’s effect. It is also important to note that the drug must be taken with sexual stimulation, without which it will not take effect.
Common adverse reactions to the drug include dizziness, headache, flushing, nasal congestion, and visual abnormalities, while rare adverse reactions include facial edema, malaise, rash, tachycardia, and hypotension. It is contraindicated for people who are allergic to the product, patients taking nitrate drugs and other people.
If you need to use the drug, it is recommended to use the drug under the guidance of a doctor, not blindly self-medication to avoid adverse effects.