Sildenafil Oral Suspension: Package Insert / Prescribing Info
Sildenafil was effective in roughly 70% of subjects. Response rates of 90% have been achieved in trials of male patients with psychogenic ED. Sildenafil may also be effective in male patients with ED related to diabetes mellitus or due to pelvic fracture urethral disruption. [1][2] Sildenafil has been shown to be effective and well tolerated in patients on multidrug antihypertensive regimens and not associated with additional safety risks in these patients. [3] According to ED treatment guidelines, oral phosphodiesterase type 5 inhibitors (PDE5 inhibitor) are considered first-line therapy.
Proper Use
This information does not take the place of talking to your healthcare provider about your or your child’s medical condition or treatment. Ask your healthcare provider or pharmacist to show you how to measure and take or give your child’s prescribed dose of sildenafil for oral suspension. Your pharmacist will mix (reconstitute) sildenafil for oral suspension before it is given to you. Do not take or give sildenafil for oral suspension and contact your pharmacist if the medicine in the bottle is still a powder. Always use the oral dosing syringe that comes with sildenafil for oral suspension.
Drugs you should not use with sildenafil
If your carton does not come with an oral dosing syringe, contact your pharmacist. Do not take or give sildenafil for oral suspension if the bottle adaptor is not in the bottle. If the bottle adaptor is not in the bottle, contact your pharmacist. Sildenafil for oral suspension should not be mixed with any other medicine or flavoring. Supplies you will need to take or give a dose of sildenafil for oral suspension (See Figure A): 1 bottle of sildenafil for oral suspension with pre-inserted bottle adaptor 1 oral dosing syringe (provided in the carton) Shake the bottle of sildenafil oral suspension for 10 seconds before each use.
Incidence not known
Open the bottle by pushing down on the cap and twisting it in the direction of the arrow (counter-clockwise). Fully push down (depress) the plunger of the oral dosing syringe. Then insert the tip of the oral dosing syringe into the bottle adaptor while holding the bottle upright, on a flat surface. Turn the bottle upside down while holding the oral dosing syringe in place. Slowly pull back the plunger of the oral dosing syringe until the bottom of the plunger is even with the mL marking on the syringe for your or your child’s prescribed dose. [4] Final FDA buy sildenafil uk approval for sildenafil for the treatment of ED was granted in March 1998.
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Kamagra Polo | 100mg | 60 + 4 Pills | 189.39€ 180.37€ | |
| Viagra Generic | 25mg | 270 + 8 Pills | 184.26€ 175.49€ | |
| Viagra Generic | 200mg | 20 Pills | 61.69€ 58.75€ | |
| Viagra Generic | 50mg | 10 Pills | 26.87€ 25.59€ | |
| Kamagra Soft Tabs | 100mg | 180 + 8 Pills | 425.45€ 405.19€ | |
| Viagra Generic | 25mg | 20 Pills | 37.74€ 35.94€ | |
| Viagra Generic | 25mg | 30 + 4 Pills | 47.97€ 45.69€ | |
| Viagra Generic | 100mg | 120 + 6 Pills | 149.50€ 142.38€ | |
| Viagra Generic | 150mg | 60 + 4 Pills | 111.25€ 105.95€ | |
| Kamagra Soft Tabs | 100mg | 272 + 12 Pills | 593.42€ 565.16€ | |
| Kamagra Soft Tabs | 100mg | 60 + 4 Pills | 180.59€ 171.99€ | |
| Viagra Generic | 200mg | 120 + 8 Pills | 204.80€ 195.05€ | |
| Kamagra Soft Tabs | 100mg | 32 Pills | 120.11€ 114.39€ | |
| Viagra Generic | 200mg | 60 + 4 Pills | 125.19€ 119.23€ | |
| Kamagra Polo | 100mg | 180 + 8 Pills | 446.52€ 425.26€ |
Shortly after approval for ED, studies showed sildenafil was effective in treating patients with pulmonary arterial hypertension (PAH). [5][6][7] Sildenafil improved exercise capacity as well as mean pulmonary artery pressure and other measures of cardiac function in patients with PAH. Sildenafil is the first oral therapy approved for treating early stages of PAH.
- Sildenafil tablets 125 mg are generally well-tolerated.
- Seek medical attention if you experience vision changes.
- They are typically used on an as-needed basis.
- Avoid heavy meals before taking sildenafil to improve absorption.
- Sildenafil is not a cure for erectile dysfunction.
- Pregnant women should avoid sildenafil use.
- It is important to stay hydrated while using the medication.
- Follow specific instructions provided by your healthcare provider.
Although preliminary data from 12 patients with sickle cell anemia showed a decrease in PAH, a larger clinical trial (n = 134) investigating the use of sildenafil for pulmonary hypertension in adults with sickle cell anemia was stopped early due to an increased risk of severe adverse effects, especially sickle cell pain crises, compared to placebo (38% vs. 8%, respectively). The reason for the increased risk of pain is unknown; however, in the initial trial, patients were aggressively treated with transfusions and hydroxyurea to control crises; the larger trial offered no intervention for crises.
| Interaction | Effect | Management Tips |
|---|---|---|
| Nitrates | Severe hypotension, danger to life | Avoid combination |
| Alpha-blockers | Risk of hypotension | Use with caution, monitor blood pressure |
| CYP3A4 inhibitors | Increased sildenafil levels, risk of side effects | Dose adjustments may be needed |
| Other PDE-5 inhibitors | Increased risk of adverse effects | Use separate medications |
Sildenafil has also shown efficacy in treating altitude sickness. [5][6][8] The oral formulation of sildenafil (Revatio) was approved by the FDA for treatment of pulmonary arterial hypertension (PAH) in June 2005; the injectable formulation was approved in November 2009.
2.3 Dosage Adjustments in Specific Situations
This product is available solely through our 503A Compounding Pharmacy, ensuring personalized care and precision in every order. Please note that a valid prescription is required for purchase. If you do not have an account, please contact us. Sildenafil is a vasoactive agent that is commonly prescribed to treat erectile dysfunction (impotence) in men, and to reduce symptoms in patients with pulmonary arterial hypertension (PAH). By decreasing vascular resistance and relaxing muscles, sildenafil increases blood flow to particular areas of the body including the penis.
Table 3.5.2: Recommended medication dosing to prevent and treat altitude illness
Sildenafil is generally taken 30 to 60 minutes prior to sexual intercourse, sildenafil troche may be taken up to 10 minutes before intercourse. Sildenafil was developed by a group of pharmaceutical chemists at Pfizer’s facility in Kent, England who worked together to synthesize sildenafil. The medication was initially formulated to treat hypertension (a symptom of ischaemic heart disease) and chest pains caused from the inadequacy of the blood circulation to the heart. The drug was tried on men in Morriston Hospital (Swansea), in 1991 and 1992. Its clinical trials were conducted under the supervision of Ian Osterloh, who suggested that the drug had very little effects on treating angina, but effected significant changes in penile erections.
Missed Dose
Pfizer decided to commercialize the drug as a treatment for erectile dysfunction. Sildenafil was originally developed as an antianginal agent but was found to be more effective in treating erectile dysfunction (ED). Sildenafil continues to be studied clinically to assess its utility in treating sexual dysfunction in females, but initial studies have found sildenafil to provide results similar to placebo in women. In regard to ED, sildenafil was tested in more than 4000 men in 21 clinical trials. The average age of these men was 55 years and they had ED for an average of 5 years before entering the study. Nitric oxide then activates the enzyme guanylate cyclase, which results in increased levels of cGMP.
2.4 Dosage Adjustments Due to Drug Interactions
Dry all parts with a clean paper towel. Push the plunger back into the barrel. Store the oral dosing syringe with the sildenafil for oral suspension bottle. How should I store sildenafil oral suspension? Store mixed (reconstituted) sildenafil oral suspension below 30°C (86°F) or in a refrigerator between 2° to 8°C (36° to 46°F).
Binding Characteristics
Do not freeze mixed sildenafil oral suspension. Throw away (discard) any remaining sildenafil oral suspension 60 days after mixed by the pharmacist. See the “Discard after” date written on the bottle label. Keep sildenafil for oral suspension and all medicines out of the reach of children. Aurobindo Pharma USA, Inc.
8.1 Pregnancy
279 Princeton-Hightstown RoadEast Windsor, NJ 08520 Manufactured by: Aurobindo Pharma Limited Hyderabad-500 032, India This Instructions for Use has been approved by the U.S. Food and Drug Administration. Cialis vs Viagra - What's the difference between them? Do you know these 11 amazing facts about Viagra? Is generic Viagra available in the U.S.? Cyclic guanosine monophosphate causes smooth muscle relaxation in the corpus cavernosum thereby allowing inflow of blood; the exact mechanism by which cGMP stimulates relaxation of smooth muscles has not been determined. Phosphodiesterase type 5 is responsible for degradation of cGMP in the corpus cavernosum. Sildenafil enhances the effect of NO by inhibiting PDE5 thereby raising concentrations of cGMP in the corpus cavernosum. Sildenafil has no direct relaxant effect on isolated human corpus cavernosum and, at recommended doses, has no effect in the absence of sexual stimulation. In vitro studies show that sildenafil is selective for PDE5 and its effect is more potent on PDE5 than on other known phosphodiesterases (>80-fold for PDE1, >1,000-fold for PDE2, PDE3, and PDE4).
- Sildenafil tablets are classified as phosphodiesterase inhibitors.
- They are quick-acting but effects vary by individual.
- Avoid taking with other erectile dysfunction medications.
- Liver or kidney impairment may require dose adjustments.
- Do not use sildenafil during sexual activity if unadvised.
- Safe sexual activity involves knowing your health status.
- Window for maximum effectiveness is around 1 hour before.
- Avoid excessive physical exertion after taking sildenafil.
Sildenafil is one-tenth as potent for PDE6, an enzyme found in the retina, as it is for PDE5; this lower selectivity is thought to be the basis for abnormalities related to color vision observed with higher doses or plasma concentrations of the drug.
- Sildenafil tablets 125 mg are often prescribed for pulmonary hypertension.
- The dosage can vary depending on the condition.
- It’s important to maintain open communication with your doctor.
- Alcohol consumption can impair sildenafil’s effectiveness.
- Avoid driving if you experience dizziness or vision problems.
- Use sildenafil exactly as prescribed to avoid complications.
- Do not share medication with others.
- Regular medical check-ups are recommended during use.
As reported by the manufacturer, the pharmacodynamic response to sildenafil was assessed in eight double-blind, placebo-controlled crossover studies of patients with either organic or psychogenic erectile dysfunction.
| Region | Average Cost per Pack | Pack Quantity | Notes |
|---|---|---|---|
| USA | $30 - $50 | 30 tablets | Generic versions available |
| UK | £15 - £25 | 30 tablets | Prescribed or OTC in some areas |
| India | ₹150 - ₹300 | 10-30 tablets | Widely available, generic options |
| Australia | AUD 40 - AUD 70 | 30 tablets | Prescription required |
In these studies sexual stimulation resulted in improved erections, as assessed by penile plethysmography, after sildenafil administration compared with placebo.
Drug Interactions for Viagra
If your or your child's dose of sildenafil for oral suspension is more than 2 mL (20 mg), you will need to divide the dose. Follow the instructions given to you by your healthcare provider or pharmacist about how to prepare the divided dose. If you see air bubbles in the oral dosing syringe, slowly push the plunger all the way up so that sildenafil for oral suspension flows back into the bottle and repeat Step 4. Turn the bottle back upright with the oral dosing syringe still in place. Place the bottle on a flat surface.
How does sildenafil work (mechanism of action)?
Remove the oral dosing syringe from the bottle adaptor by pulling straight up on the barrel of the oral dosing syringe. (See Figure F) Do not press on the plunger of the oral dosing syringe at this time. Put the tip of the oral dosing syringe into your or your child's mouth and point it towards the inside of the cheek. Slowly push the plunger of the oral dosing syringe all the way down to give the entire dose. Do not squirt sildenafil citrate tablet the medicine out quickly.
Is Viagra prescribed in dosages of 100 mg, 150 mg, or 200 mg?
If you are giving sildenafil for oral suspension to a child, make sure they are in an upright position before giving the medicine. Replace the cap on the bottle, leaving the bottle adaptor in place. Turn the cap in the direction of the arrow (clockwise) to close the bottle. Wash the oral dosing syringe after each use. Pull the plunger out of the barrel and rinse both parts with water. Most studies evaluated the efficacy of sildenafil approximately 60 minutes post dose. The erectile response, as determined by penile plethysmography, generally increased with increasing sildenafil dose and plasma concentration. The time course of effect was examined in one study. The effects of sildenafil were evident for up to 4 hours but the response was diminished compared to 2 hours. Sildenafil can inhibit PDE5 present in esophageal smooth muscle, lung tissue, and brain tissue.
