14 CLINICAL STUDIES

apalutamideapalutamide will decrease the level or effect

5.8 Priapism

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances. 50 mg PO ~1 hr before sexual activity; however, may be taken anywhere from 30 min to 4 hr before sexual activity Maximum dosing frequency is once per day Based on effectiveness and toleration, may increase dose to maximum of 100 mg or decrease to 25 mg Indicated for treatment of pulmonary arterial hypertension (PAH) (World Health Organization [WHO] Group I) to improve exercise ability and delay clinical worsening Revatio (PO), Liqrev: 20 mg PO TID; may titrate up to 80 mg TID, if required, based on symptoms and tolerability Revatio (IV): 10 mg IV bolus TID 10-mg IV predicted to provide pharmacologic effect equivalent to 10-mg oral dose Do not exceed recommended PO/IV dose Viagra, VibriqueSevere (eg, cirrhosis): Consider initial dose of 25 mg Severe (eg, cirrhosis): Consider initial dose of 25 mg RevatioMild or moderate (Child-Pugh A or B): No dose adjustment requiredSevere (Child-Pugh C): Not studied Mild or moderate (Child-Pugh A or B): No dose adjustment required Viagra, VibriqueMild or moderate (CrCl 30-80 mL/min): No dose adjustment requiredSevere (CrCl <30 mL/min): Consider initial dose of 25 mg Mild or moderate (CrCl 30-80 mL/min): No dose adjustment required Severe (CrCl <30 mL/min): Consider initial dose of 25 mg RevatioAny severity, including severe (CrCl <30 mL/min): No dose adjustment required Any severity, including severe (CrCl <30 mL/min): No dose adjustment required Indicated in children aged 1-17 years for treatment of pulmonary arterial hypertension (PAH) (WHO Group I) to improve exercise ability and, in pediatric patients too young to perform standard exercise testing, pulmonary hemodynamics thought to underly improvements in exercise 20-45 kg: 20 mg PO TID Maximum dose in pediatric patients not identified Based on experience in adults, dose may be titrated up to 40 mg TID, if required, based on symptoms and tolerability Mild or moderate (Child-Pugh A or B): No dose adjustment required Any severity, including severe (CrCl <30 mL/min): No dose adjustment required ≥65 years: 25 mg PO initially ~1 hr before sexual activity; however, may be taken anywhere from 30 min to 4 hr before sexual activity Maximum dosing frequency is once per day Based on effectiveness and toleration, may increase dose to maximum of 100 mg or decrease to 25 mg Indicated for treatment of pulmonary arterial hypertension (PAH) (World Health Organization [WHO] Group I) to improve exercise ability and delay clinical worsening PO: 20 mg PO TID; may titrate up to 80 mg TID, if required , based on symptoms and tolerability 10-mg IV predicted to provide pharmacologic effect equivalent to 10-mg oral dose Recommended PO/IV dose not to be exceeded Adding Revatio to bosentan does not have any beneficial effect on exercise capacity Clinical trials found no significant difference in response between elderly patients and younger adults; however, cautious dose selection should be considered in elderly because of greater frequency of decreased hepatic, renal, and cardiac function, as well as comorbid conditions and concomitant pharmacotherapy Compared with healthy younger volunteers, healthy elderly volunteers (≥65 years) had reduced clearance of sildenafil, resulting in approximately 84% and 107% higher plasma concentrations of sildenafil and its active N-desmethyl metabolite, respectively atazanaviratazanavir will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Never use combination with chronic sildenafil for PAH cobicistatcobicistat will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. When used chronically for PAH, sildenafil is contraindicated for use with cobicistat; if used for erectile dysfunction, do not exceed sildenafil 25 mg q48hr cobicistat will increase the level or effect of sildenafil by affecting hepatic/intestinal sildenafil oral solution enzyme CYP3A4 metabolism. Cobicistat is a CYP3A4 inhibitor; contraindicated with CYP3A4 substrates for which elevated plasma concentrations are associated with serious and/or life-threatening events; contraindication applies to chronic administration of sildenafil for PAH; for ED, not to exceed 25 mg in 48 hr.

Warnings for people with certain health conditions

nelfinavirnelfinavir will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. nelfinavir will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Coadministration contraindicated if sildenafil used for pulmonary arterical hypertension. Reduce sildenafil dose if used for erectile dysfunction. nirmatrelvir/ritonavir will increase the level or effect of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. of sildenafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

Coadministration of apalutamide, a strong

CYP3A4 inducer, with drugs that

• Manufacturing of sildenafil syrup requires specialized equipment.
• The syrup form must undergo stability testing before release.
• Some formulations may include sweeteners to improve taste.
• Off-label compounding can carry legal and safety risks.
• Clinicians should carefully consider risks before prescribing syrup.

are CYP3A4 substrates can result

How is this medicine (Sildenafil Oral Suspension) best taken?

If this is not treated right away, it may lead to lasting sex problems and you may not be able to have sex. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away: These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. You may report side effects to the FDA at 1-800-332-1088.

What’s the difference between sildenafil and Viagra?

You may also report side effects at If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened. Store at room temperature or in a refrigerator. Throw away any unused part 60 days after sildenafil oral suspension (PAH) was mixed. Talk with your pharmacist if you are not sure when this is. in lower exposure to these medications.

INFORMATION ABOUT SILDENAFIL

Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.

5.2 Worsening Pulmonary Vascular Occlusive Disease

If your symptoms or health problems do not get better or if they become worse, call your doctor. Do not share your drugs with others and do not take anyone else's drugs. Some drugs may have another patient information leaflet. If you have any questions about sildenafil oral suspension (PAH), please talk with your doctor, nurse, pharmacist, or other health care provider. If you think there has been an overdose, call your poison control center or get medical care right away. Avoid or substitute another drug

• Sildenafil has been investigated for alternative uses like altitude sickness.
• The syrup form is rarely available in commercial pharmacies.
• Reactions to sildenafil can vary based on individual health.
• Do not share sildenafil syrup with others to avoid adverse effects.
• Always adhere to prescribed dosages to prevent health risks.

for these medications when possible.

8.5 Geriatric Use

nitroglycerin rectalsildenafil increases effects of nitroglycerin rectal by additive vasodilation. Use of nitroglycerin within a few days of PDE5 inhibitors is contraindicated. PDE5 inhibitors have been shown to potentiate the hypotensive effects of organic nitrates. sildenafil increases effects of nitroglycerin rectal by additive vasodilation. Either increases effects of the other by additive vasodilation.

Adverse Reactions/Side Effects

Coadministration of PDE-5 inhibitors (eg, avanafil, sildenafil, tadalafil, vardenafil) and guanylate cyclase stimulators (eg, riociguat) is contraindicated due to risk of additive hypotension; do not administer within 24 hr of each other. Either increases effects of the other by pharmacodynamic synergism. Coadministration of vericiguat with PDE-5 inhibitors may result in additive hypotensive effects. alfuzosinsildenafil increases effects of alfuzosin by pharmacodynamic synergism. sildenafil increases effects of alfuzosin by pharmacodynamic synergism. Evaluate for loss of therapeutic

Brand names

However, your child's doctor may decide the benefits of taking sildenafil oral suspension (PAH) may outweigh the risks. If your child has been given sildenafil oral suspension (PAH), talk with the doctor for information about the benefits and risks. Talk with the doctor if you have questions about giving sildenafil oral suspension (PAH) to your child. Tell your doctor if you are pregnant, plan on getting pregnant, or are breast-feeding. You will need to talk about the benefits and risks to you and the baby.

Placing an Order

Use sildenafil oral suspension (PAH) as ordered by your doctor. Keep taking sildenafil oral suspension (PAH) as you have been told by your doctor or other health care provider, even if you feel well. Use the measuring device that comes with sildenafil oral suspension (PAH). Take a missed dose as soon as you think about it. If it is close to the time for your next dose, skip the missed dose and go back to your normal time. effect if medication must be coadministered.

• Sildenafil syrup is an off-label form of erectile dysfunction medication.
• It's designed for easier ingestion compared to tablets.
• Not approved by most regulatory agencies for syrup form.
• Dosing and safety information are less documented for syrup.
• Usually, sildenafil is available in tablet form, not syrup.

Adjust dose according to prescribing information if needed.

Adverse effects

Do not take 2 doses at the same time or extra doses. WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect: Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat. Chest pain or pressure or a fast heartbeat. A heartbeat that does not feel normal.

Dosage for pulmonary arterial hypertension (PAH)

Weakness on 1 side of the body, trouble speaking or thinking, change in balance, drooping on one side of the face, or blurred eyesight. Ringing in the ears, hearing loss, or any other changes in hearing. Trouble breathing sildenafil uk price that is new or worse. Call your doctor right away if you have a painful erection (hard penis) or an erection that lasts for longer than 4 hours. This may happen even when you are not having sex.