Important Drug Interactions with Sildenafil Citrate

Sexual activity can put an extra strain on your heart, especially if your heart is already weak from a heart attack or heart disease.

Condition	Temperature Range	Light Exposure	Additional Notes
General storage	20-25°C (68-77°F)	Keep in original container	Avoid moisture and heat
Refrigeration	Not required	No	If needed, store in fridge
Avoid exposure	Humidity, direct sunlight	Yes	To preserve potency

Sildenafil does not protect you or your partner from getting sexually transmitted diseases, including Human Immunodeficiency Virus (HIV).

• Sildenafil is available in various dosages: 25 mg, 50 mg, 100 mg.
• Starting dose depends on individual health and response.
• Dose adjustments should be done under medical supervision.
• Overuse may lead to increased side effects.
• Missing a dose is generally safe; do not double up.
• The drug may be taken with or without food.
• It’s generally recommended to avoid heavy meals before taking.
• Always follow your healthcare provider’s guidance.

Sildenafil may cause low blood pressure, which may cause you to feel faint or dizzy.

What side effects can this medication cause?

Measures of treatment satisfaction and sexual experience significantly favored the 100-mg dose compared with the 50-mg dose in the DBPC. There was no increase in adverse events with the higher dose. Conclusions: Sildenafil at 50 mg or 100 mg significantly improved erection quality, treatment satisfaction, anxiety levels, and the sexual experience compared with placebo during DBPC. Sildenafil 100 mg improved the sexual experience and treatment satisfaction, and reduced feelings of anxiety compared with the 50-mg dose. Pronunciation: sil-DEN-a-fil Generic name: sildenafil Brand names: Revatio, Viagra, Vybrique Dosage form: tablets (20 mg; 25 mg, 50 mg, 100 mg), injection (10 mg/12.5 mL), oral suspension (10 mg/mL), oral film (25 mg, 50 mg, 75 mg, 100 mg) Drug classes: Agents for pulmonary hypertension, Impotence medications Sildenafil is used to treat erectile dysfunction (ED) in adult men or pulmonary arterial hypertension (PAH) in adults and children, depending on the brand or formulation.

How are Sildenafil Citrate Tablets used?

Sildenafil tablets (25 mg, 50 mg, 100 mg; Viagra, generic) and sildenafil oral film (25 mg, 50 mg, 75 mg, 100 mg; Vybrique) are used for ED. Sildenafil tablets (20 mg; Revatio, generic), sildenafil oral suspension (Revatio, generic), and sildenafil injection (Revatio, generic) are used for PAH. Sildenafil is a phosphodiesterase type 5 (PDE5) inhibitor, which breaks down cyclic GMP and enhances nitric oxide (NO) -mediated smooth muscle relaxation. In erectile dysfunction (ED), this increases blood flow to penile tissue, facilitating an erection. In pulmonary arterial hypertension (PAH), it dilates pulmonary vessels by the same mechanism, reducing pulmonary blood pressure and improving exercise capacity.

Revatio Tablets

Sildenafil first gained FDA approval on March 27, 1998. Do sildenafil pills not take sildenafil if you are also using a nitrate drug for chest pain or heart problems, including nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, and some recreational drugs such as "poppers". Taking sildenafil with a nitrate medicine can cause a sudden and serious decrease in blood pressure. Some medicines can cause unwanted or dangerous effects when used with sildenafil. Tell your doctor about all your current medicines, especially riociguat (Adempas). Lie down if you feel faint or dizzy.

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Tell your doctor if you get more short of breath after you start sildenafil.

Dosing & Uses

The most common side effects of sildenafil tablets for ED are: Abnormal vision, such as changes in color vision (such as having a blue color tinge) andblurred vision The most common side effects of sildenafil oral film for ED are: Abnormal vision, such as changes in color and blurred vision The most common side effects of sildenafil tablets/ oral suspension, and injection for PAH are: Sildenafil can cause the following serious side effects. If you have an erection that lasts more than 4 hours, get medical help right away. If it is not treated right away, priapism can permanently damage your penis. Sildenafil can decrease blood flow to the optic nerve sildenafil 100 mg tab of the eye, causing sudden vision loss. This has occurred in a small number of people taking sildenafil, most of whom also had heart disease, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye problems, and in those who smoked or were over 50 years old.

Liens externes

Sudden vision loss in one or both eyes can be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy (NAION). Stop taking sildenafil and call your healthcare provider right away if you havesudden vision loss in one or both eyes. Some people may also have ringing in their ears (tinnitus) or dizziness. If you have these symptoms, stop taking sildenafil and contact a doctor right away. In addition, heart attack, stroke, irregular heartbeats, and death have happened rarely in people taking sildenafil. More shortness of breath than usual may be due to your underlying medical condition.

Form	Strengths	Route of Administration	Notes
Tablets	25 mg, 50 mg, 100 mg	Oral	Most common form
Sublingual Tablets	25 mg, 50 mg	Sublingual	Faster absorption
Extended-release Capsules	100 mg	Oral	Less common
Oral Suspension	Customizable doses	Oral	Experimental/clinical use

Do not take Viagra while also taking Revatio.

Other Uses for Sildenafil

If you take sildenafil for pulmonary arterial hypertension, do not take Viagra®, Vibrique™ or other PDE5 inhibitors, including tadalafil (Cialis®) or vardenafil (Levitra®). If you take too much sildenafil or take it together with these medicines, the chance for side effects will be higher. It is important to tell your doctor about any heart problems you have now or may have had in the past. This medicine can cause serious side effects in patients with heart problems. If you experience a prolonged or painful erection for 4 hours or more, contact your doctor immediately.

Oral Administration

This condition may require prompt medical treatment to prevent serious and permanent damage to your penis. If you experience a sudden loss of vision in one or both eyes, contact your doctor immediately. Check with your doctor right away if you have a sudden decrease in hearing or loss of hearing, which may be accompanied by dizziness and ringing in the ears. If you already use medicine for high blood pressure (hypertension), sildenafil could make your blood pressure go too low. Call your doctor right away if you have blurred vision, confusion, dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly, sweating, or unusual tiredness or weakness.

Pregnancy Categories

This medicine does not protect you against sexually transmitted diseases (including HIV or AIDS). Use protective measures and ask your doctor if you have any questions about this. Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements. Along with its needed effects, a medicine may cause some unwanted effects. Tell your healthcare provider if you have any side effect that bothers you or does not go away.

• Sildenafil may interact with other medications, increasing risks.
• Significant interactions include nitrates and alpha-blockers.
• Patients should disclose all medications to their doctor.
• Combining with certain drugs can cause dangerous drops in blood pressure.
• Regular liver function monitoring may be necessary.
• Some herbal supplements also have interaction potential.
• Avoiding certain foods and medications reduces risks.
• Proper management improves treatment efficacy.

These are not all of the possible side effects of sildenafil.

• The discovery of sildenafil began with research on heart drugs.
• It was found to cause vasodilation as a side effect.
• Pfizer refined the drug for erectile dysfunction.
• It became a blockbuster drug upon FDA approval.
• Sildenafil has helped millions worldwide.
• It has changed perceptions about male sexual health.
• Ongoing research explores new formulations.
• Awareness campaigns promote safe usage.

Have allergies to sildenafil, Viagra, Revatio, Vybrique, or any of the ingredients in the sildenafil formulation

6. Response and effectiveness

Most, but not all, of these people had heart problems before taking this medicine. It is not known if sildenafil caused these problems. Tell all your healthcare providers that you take sildenafil. If you need emergency medical care for a heart problem, it will be important for your healthcare provider to know when you last took sildenafil. Stop sexual activity and get medical help right away if you get symptoms such as chest pain, dizziness, or nausea during sex. you are taking Take other medicines for pulmonary arterial hypertension, such as riociguat (Adempas) Take other medicines

• Sildenafil citrate can also treat pulmonary arterial hypertension.
• It enhances exercise capacity in patients with this condition.
• The drug’s effects usually last 4-6 hours.
• Taking it with a high-fat meal can delay absorption.
• Sildenafil should not be used with nitrate medications.
• Serious side effects include vision changes and priapism.
• It is contraindicated in individuals with certain heart conditions.
• Patients should inform their doctor about all medications.

for pulmonary arterial hypertension, such as riociguat (Adempas) Take other medicines that lower your blood pressure, such

Route of administration

Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur: burning feeling in the chest or stomach burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings decrease in amount of urine or the frequency of urination dizziness or lightheadedness, especially when getting up suddenly from a lying or sitting position dryness, redness, scaling, or peeling of the skin increase in the size of the pupil redness, burning, or swelling of the eyes redness, itching, or tearing of the eyes seeing shades of colors differently than before swelling of the face, hands, feet, or lower legs unusual feeling of burning or stinging of sildenafil spray the skin Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them: pain or tenderness around the eyes and cheekbones diarrhea or stomach cramps (severe or continuing) numbness or tingling of the hands, legs, or feet redness, soreness, swelling, or bleeding of the gums sensation of motion, usually whirling, either of one's self or of one's surroundings sexual problems in men (continuing), including failure to experience a sexual orgasm sores in the mouth and on the lips Other side effects not listed may also occur in some patients.

Storage Class

If you notice any other effects, check with your healthcare professional. Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088. Introduction: Sildenafil citrate 50 mg is the recommended starting dose for men with erectile dysfunction (ED); however, most men are later titrated to sildenafil 100 mg for improved efficacy. Aim: Assess the tolerability and efficacy of sildenafil initiated at the 100-mg dose in men with ED.

Pulmonary hypertension

Methods: Men with ED (score < or =25 on the Erectile Function domain of the International Index of Erectile Function) who had received < or =6 total doses of a phosphodiesterase type 5 inhibitor and none within 4 weeks were randomized to 8 weeks of double-blind, placebo-controlled (DBPC), fixed-dose treatment (50 or 100 mg sildenafil or placebo) followed by 4 weeks of open-label flexible-dose sildenafil (50 or 100 mg). Main outcome measures: Efficacy, tolerability, treatment satisfaction, and other end points were measured at baseline and/or the end of the double-blind and open-label phases and compared between placebo and sildenafil initiated at doses of 50 and 100 mg. Results: Improvements in DBPC patient-reported outcomes from baseline were statistically significant for both sildenafil 50 and 100 mg compared with placebo. At the end of DBPC treatment, 56% of men on the 100-mg dose felt no anxiety about the next intercourse attempt compared with 39% in the 50-mg group (odds ratio 2.03; P = 0.0197). Changes in functional scores from baseline were not statistically significant with the 100-mg dose compared with the 50-mg dose in the DBPC. as nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, and some recreational drugs that also contain nitrates, such as "poppers".