ADVERSE REACTIONS

bosentanbosentan will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels bosentan will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels butalbitalbutalbital will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

• Sildenafil was first approved by the FDA in 1998.
• It revolutionized erectile dysfunction treatment worldwide.
• Research is ongoing into new potential uses of PDE5 inhibitors.
• The drug has helped millions improve their quality of life.

butalbital will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

• People with heart disease should consult their doctor before use.
• Do not use sildenafil if you are taking medications containing nitrates.
• Side effects may include dizziness or vision disturbances.
• Report any persistent or severe side effects to your healthcare provider.

carbamazepinecarbamazepine will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

What happens if I overdose?

mifepristonemifepristone will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. mifepristone will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. mitotanemitotane decreases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels. mitotane decreases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

Does sildenafil interact with other medicines (drug interactions)?

nafcillinnafcillin will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels nafcillin will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Patients receiving indinavir with ritonavir should receive not more than 25 mg of sildenafil for treatment of erectile dysfunction in a 48-hour period, and patients receiving other protease inhibitors should use a lower initial sildenafil dose of 25 mg. Patient taking sildenafil for PAH with ritonavir is not recommended. pentobarbitalpentobarbital will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels carbamazepine will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels carvedilolcarvedilol increases effects of sildenafil by additive vasodilation.

Why is this medication prescribed?

Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels pentobarbital will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels phenobarbitalphenobarbital will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels phenobarbital will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels phenoxybenzaminesildenafil increases effects of phenoxybenzamine by pharmacodynamic synergism. sildenafil increases effects of phenoxybenzamine by pharmacodynamic synergism.

How can I tell if Viagra’s not working?

phentolaminesildenafil increases effects of phentolamine by pharmacodynamic synergism. sildenafil increases effects of phentolamine by pharmacodynamic synergism. phenytoinphenytoin will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels phenytoin will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels prazosinsildenafil increases effects of prazosin by pharmacodynamic synergism. carvedilol increases effects of sildenafil by additive vasodilation. cenobamatecenobamate will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

Frequently asked questions

If unavoidable, reduce CYP3A substrate dose according sildenafil uk price to product labeling. tucatinib will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. acebutololacebutolol increases effects of sildenafil by additive vasodilation. Sildenafil has systemic vasodilatory properties and may further lower blood pressure in patients taking antihypertensive medications. Monitor blood pressure response to sildenafil in patients receiving concurrent blood pressure lowering therapy.

What causes an erection?

acebutolol increases effects of sildenafil by additive vasodilation. amifostineamifostine increases effects of sildenafil by additive vasodilation. amifostine increases effects of sildenafil by additive vasodilation. aprepitantaprepitant will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. aprepitant will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Increase dose of CYP3A4 substrate, as needed, when coadministered with cenobamate.

Conclusion: Is Sildenafil Right for You?

St John's WortSt John's Wort will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels St John's Wort will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels terazosinsildenafil increases effects of terazosin by pharmacodynamic synergism. sildenafil increases effects of terazosin by pharmacodynamic synergism. tovorafenibtovorafenib will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

Viagra Brand

Avoid coadministration of tovorafenib (a weak CYP3A4 inducer) with CYP3A substrates where minimal concentration changes may lead to serious therapeutic failures. If unavoidable, monitor patients for loss of efficacy unless otherwise recommended in the CYP3A4 substrate prescribing information. tovorafenib will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. tucatinibtucatinib will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid concomitant use of tucatinib with CYP3A substrates, where minimal concentration changes may lead to serious or life-threatening toxicities. cenobamate will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. cimetidinecimetidine will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

• Do not chew or break the tablet; swallow it whole.
• Avoid taking sildenafil with larger doses of alcohol.
• Regular exercise and a healthy diet can improve erectile function.
• Do not share your medication with others.

cimetidine will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

8.1 Pregnancy

sildenafil increases effects of prazosin by pharmacodynamic synergism. primidoneprimidone will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels primidone will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Potent CYP3A4 inducers are expected to cause substantial decreases in sildenafil plasma levels relacorilantrelacorilant increases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Avoid coadministration of sildenafil with strong CYP3A4 inhibitors.

How can I get Viagra to work?

relacorilant increases levels of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. ritonavirritonavir will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. ritonavir will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. silodosinsildenafil increases effects of silodosin by pharmacodynamic synergism. sildenafil increases effects of silodosin by pharmacodynamic synergism. cyclosporinecyclosporine will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

7.3 Amlodipine

armodafinilarmodafinil will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. armodafinil will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. artemether/lumefantrineartemether/lumefantrine will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. artemether/lumefantrine will decrease the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. atenololatenolol increases effects of sildenafil by additive vasodilation.

Less common

atenolol increases effects of sildenafil by additive vasodilation. betaxololbetaxolol increases effects of sildenafil by additive vasodilation. betaxolol increases effects of sildenafil by additive vasodilation. bisoprololbisoprolol increases effects of sildenafil by additive vasodilation. bisoprolol increases effects of sildenafil by additive vasodilation. cyclosporine will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. danazoldanazol will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. danazol will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. darunavirdarunavir will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

• Sildenafil is sometimes misused for recreational purposes.
• Misuse can lead to serious health risks, including cardiovascular events.
• Never take medication not prescribed specifically for you.
• Use only under the guidance of a qualified healthcare professional.

Coadministration with PDE-5 inhibitors may result in an increase in PDE-5 inhibitor-associated adverse reactions (eg, hypotension, syncope, visual disturbances and priapism).