No, the dosage of Viagra isn’t based on an individual’s bodyweight. In its place, Viagra’s dosage relies in your age, how very well your kidneys and liver are Performing, And exactly how nicely the drug is effective for the erectile dysfunction.
Use with caution in patients with the subsequent underlying situations that may be notably sensitive on the actions of vasodilators together with VIAGRA – All those with still left ventricular outflow obstruction (e.
Medicines are occasionally prescribed for functions aside from All those stated in a Affected individual Facts leaflet. Usually do not use VIAGRA for any affliction for which it wasn't prescribed. Will not give VIAGRA to Others, even when they have the same indications that you've got. It might hurt them.
Viagra must only be taken when desired, about one hour before you decide to have intercourse. It does not need to be taken routinely on a daily basis.
VIAGRA was shown to potentiate the hypotensive results of nitrates and its administration in sufferers who use nitric oxide donors for example organic and natural nitrates or organic and natural nitrites in any variety is therefore contraindicated [see CONTRAINDICATIONS, DRUG INTERACTIONS, and Medical PHARMACOLOGY].
Viagra experienced no impact on saquinavir pharmacokinetics. A much better CYP3A4 inhibitor which include ketoconazole or itraconazole may very well be expected to acquire bigger effect than that noticed with saquinavir. Inhabitants pharmacokinetic information from people in medical trials also indicated a reduction in sildenafil clearance when it was co-administered with CYP3A4 inhibitors (such as ketoconazole, erythromycin, or cimetidine) [see DOSAGE AND ADMINISTRATION and DRUG INTERACTIONS].
It’s possible that Viagra may possibly influence ejaculation or result in challenges with ejaculation. These could involve:
This Patient Info leaflet summarizes the most important specifics of VIAGRA. If you would like more info, talk with your healthcare company. You are able to ask your healthcare company or pharmacist for information about VIAGRA that may be composed for health and fitness pros.
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Individuals who've suffered a myocardial infarction, stroke, or everyday living-threatening arrhythmia throughout the final 6 months;
If you’re considering knowing more details on OTC products that may be used in place of Viagra, see this post.
The next adverse reactions are actually identified all through publish acceptance use of VIAGRA. Since these read more reactions are documented voluntarily from a population of uncertain measurement, It is far from normally possible to reliably estimate their frequency or establish a causal partnership to drug exposure.
In balanced male volunteers, there was no proof of a clinically major influence of azithromycin (500 mg day by day for three days) around the systemic exposure of sildenafil or its important circulating metabolite.
It’s also important to convey to your health care provider what other prescription drugs you’re using Before you begin Viagra. Using Viagra with other remedies that also decrease your blood pressure may well enhance your risk for this aspect effect.