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. If you notice any other effects, check with your healthcare professional.
- Sildenafil 120 mg is not approved by all regulatory agencies for general use.
- The maximum recommended dose for most individuals is 100 mg.
- Using high doses can lead to increased cardiovascular strain.
- Always inform your doctor of all medications to prevent interactions.
- Sildenafil may cause a sudden drop in blood pressure, especially with certain drugs.
- The medication can be used as part of a treatment plan for erectile dysfunction.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
Cobra-120 Compared With Other ED Options
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep out of the reach of children. Do not keep outdated medicine or medicine no longer needed. Ask your healthcare professional how you should dispose of any medicine you do not use. Store mixed oral liquid in the refrigerator.
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Throw away any unused mixed Revatio® oral liquid after 60 days. It is important that you tell all of your doctors that you take sildenafil. If you need emergency medical care for a heart problem, it is important that your doctor knows when you last took sildenafil. Do not use this medicine if you are also using a nitrate medicine, often used to treat angina or high blood pressure. Some illegal ("street") drugs called "poppers" (such as amyl nitrate, butyl nitrate, or nitrite). Sildenafil is commonly used for the following conditions. Erectile dysfunction, sildenafil pick up a condition where you have trouble getting or keeping an erection Pulmonary arterial hypertension, a condition where you have high blood pressure in the blood vessels that carry blood from your heart to your lungs Sildenafil may also be used for other conditions as determined by your healthcare provider.
- Sildenafil 120 mg can cause flushing and nasal congestion as common side effects.
- It is important to follow medical advice to minimize health risks.
- The drug's effectiveness can be influenced by other health conditions like diabetes.
- Consuming grapefruit or grapefruit juice may affect sildenafil’s metabolism.
- Patients should seek emergency care if experiencing an erection lasting longer than 4 hours.
- Sildenafil’s effects typically last about 4-6 hours, depending on individual factors.
Sildenafil works by blocking an enzyme in the body called PDE5, which helps relax certain blood vessels. For erectile dysfunction, it increases blood flow to the penis when aroused.
| Country | Approval Status | Maximum Allowed Dose | Remarks |
|---|---|---|---|
| United States | Approved for ED and pulmonary hypertension | 120 mg | Prescription-only, controlled use |
| European Union | Approved for ED, off-label for other uses | 120 mg | Stringent prescribing regulations |
| Canada | Approved, similar to US | 120 mg | Must be prescribed by healthcare provider |
| Australia | Approved with restrictions | 120 mg | Medical supervision required |
| India | Available, OTC in some regions | 120 mg | Use under medical guidance recommended |
This makes it easier to get and keep an erection.
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Kamagra | 100mg | 60 + 4 Pills | 201.34€ 191.75€ | |
| Viagra Generic | 25mg | 10 Pills | 25.19€ 23.99€ | |
| Kamagra Oral Jelly | 100mg | 21 Sachets | 95.92€ 91.35€ | |
| Viagra Generic | 150mg | 180 + 10 Pills | 236.46€ 225.20€ | |
| Kamagra Oral Jelly | 100mg | 10 Sachets | 54.55€ 51.95€ | |
| Viagra Generic | 200mg | 30 + 2 Pills | 83.07€ 79.11€ | |
| Viagra Generic | 150mg | 120 + 8 Pills | 177.58€ 169.12€ | |
| Viagra Generic | 25mg | 60 + 4 Pills | 71.99€ 68.56€ | |
| Viagra Generic | 150mg | 20 Pills | 55.02€ 52.40€ | |
| Viagra Generic | 100mg | 360 + 10 Pills | 330.21€ 314.49€ | |
| Kamagra | 100mg | 12 Pills | 55.64€ 52.99€ | |
| Kamagra Oral Jelly | 100mg | 110 + 9 Sachets | 334.87€ 318.92€ | |
| Viagra Generic | 50mg | 180 + 8 Pills | 158.82€ 151.26€ | |
| Viagra Generic | 100mg | 270 + 10 Pills | 270.47€ 257.59€ | |
| Kamagra | 100mg | 120 + 6 Pills | 330.74€ 314.99€ | |
| Kamagra Oral Jelly | 100mg | 220 + 18 Sachets | 662.24€ 630.70€ |
For pulmonary arterial hypertension, sildenafil relaxes the blood vessels in the lungs.
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For oral dosage forms (suspension or tablets):Adults—20 milligrams (mg) 3 times a day. Adults—20 sildenafil citrate tablets 50mg milligrams (mg) 3 times a day. However, the dose is usually not more than 80 mg 3 times a day. Children 1 year of age and older weighing 45 kilograms (kg) or more—20 mg 3 times a day. However the dose is usually not more than 40 mg 3 times a day.
Interactions that increase your risk for side effects
Children 1 year of age and older weighing 20 to 45 kg—20 mg 3 times a day. Children 1 year of age and older weighing 20 kg or less—10 mg 3 times a day. Children younger than 1 year of age—Use and dose must be determined by your doctor. For oral dosage forms (suspension or tablets): If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. This lowers blood pressure and reduces strain on the heart.
4.3 Concomitant Guanylate Cyclase (GC) Stimulators
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. 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.
How sildenafil is used
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. 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 the skin Some side effects may occur that usually do not need medical attention. 10 mg/mL powder for oral suspension 20 mg, 25 mg, 50 mg, 100 mg oral tablets Sildenafil is also available in an injectable form that is usually given by a healthcare provider in a hospital or clinic.
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If your dose is different, do not change it unless your doctor tells you to do so. The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine. For treatment of erectile dysfunction:For oral dosage form (tablets):Adults up to 65 years of age—50 milligrams (mg) as a single dose no more than once a day, 1 hour before sexual intercourse. Alternatively, the medicine may be taken 30 minutes to 4 hours before sexual intercourse.
Prior authorization
Your doctor may adjust your dose if needed.Adults 65 years of age and older—25 mg as a single dose no more than once a day, 1 hour before sexual intercourse. Your doctor may adjust your dose if needed.Children—Use is not recommended.For oral dosage form (film):Adults up to 65 years of age—50 milligrams (mg) as a single dose no more than once a day, 1 hour before sexual intercourse. Your doctor may adjust your dose as needed.Adults 65 years of age and older—25 mg as a single dose no more than once a day, 1 hour before sexual intercourse. Your doctor may adjust your dose as needed.Children—Use is not recommended. For oral dosage form (tablets):Adults up to 65 years of age—50 milligrams (mg) as a single dose no more than once a day, 1 hour before sexual intercourse. Sildenafil oral tablets should be stored at room temperature, between 68 F to 77 F (20 C to 25 C).
How Sildenafil Citrate Works in the Body
Do not use this medicine if you also use riociguat (Adempas®). If you will be taking this medicine for pulmonary arterial hypertension, your doctor will want to check your progress at regular visits. This will allow your doctor to see if the medicine is working properly and to decide if you should continue to take it. If you take sildenafil sildenafil citrates 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.
Binding Characteristics
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. 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. It can be exposed to temperatures between 59 F to 86 F (15 C to 30 C) for shorter periods of time, such as when transporting it. Sildenafil oral liquid should be stored at room temperature below 86 F (30 C) or in the refrigerator, between 36 F to 46 F (2 C to 8 C). Throw away any remaining liquid 60 days after it has been mixed for you by a pharmacist or healthcare professional. Sildenafil injection is usually given by a healthcare provider in a hospital or clinic.
| Property | Description | Typical Dose | Onset of Action | Duration of Effect | Mechanism of Action |
|---|---|---|---|---|---|
| Bioavailability | Approximately 40% | 120 mg | 30-60 minutes | Up to 6 hours | Inhibits PDE5 enzyme in smooth muscle |
| Half-life | Approximately 4 hours | N/A | N/A | N/A | Enhances nitric oxide signaling |
| Metabolism | Liver via CYP3A4 and CYP2C9 | N/A | N/A | N/A | Prevents cGMP breakdown |
| Excretion | Mainly via feces (80%), urine (13%) | N/A | N/A | N/A | Eliminates unchanged drug |
| Peak Plasma Levels | Achieved within 30-120 minutes | 120 mg | 30 minutes | N/A | Related to dose and absorption rate |
You will not store it at home.
- The safety of 120 mg sildenafil is not well-established for all users.
- High-dose sildenafil may cause muscle aches and back pain.
- Alcohol consumption can intensify sildenafil’s side effects.
- Aspirin and blood thinners may increase bleeding risk when combined with sildenafil.
- Patients with heart conditions should seek medical advice before use.
- The drug should not be used in conjunction with other erectile dysfunction medications.
The most common side effects of sildenafil are listed below.
- Patients with liver or kidney issues need dose adjustments and careful monitoring.
- The recommended maximum dose for sildenafil is generally 100 mg per day.
- Excessive use increases the likelihood of adverse cardiovascular events.
- Use of sildenafil does not provide protection against sexually transmitted infections.
- Some users report a persistent blue-tinged vision after high doses.
- It’s essential to obtain sildenafil from reputable sources to avoid counterfeit products.
These side effects may vary depending on the condition that is being treated. Tell your healthcare provider if you have any of these side effects that bother you.
8.2 Lactation
Your doctor may adjust your dose if needed.Children—Use is not recommended. Adults up to 65 years of age—50 milligrams (mg) as a single dose no more than once a day, 1 hour before sexual intercourse. Your doctor may adjust your dose if needed. Adults 65 years of age and older—25 mg as a single dose no more than once a day, 1 hour before sexual intercourse. For oral dosage form (film):Adults up to 65 years of age—50 milligrams (mg) as a single dose no more than once a day, 1 hour before sexual intercourse.
Recreational use
Your doctor may adjust your dose as needed. For treatment of pulmonary arterial hypertension:For oral dosage forms (suspension or tablets):Adults—20 milligrams (mg) 3 times a day. Your doctor may adjust your dose as needed and tolerated. However, the dose is usually not more than 80 mg 3 times a day.Children 1 year of age and older weighing 45 kilograms (kg) or more—20 mg 3 times a day. However the dose is usually not more than 40 mg 3 times a day.Children 1 year of age and older weighing 20 to 45 kg—20 mg 3 times a day.Children 1 year of age and older weighing 20 kg or less—10 mg 3 times a day.Children younger than 1 year of age—Use and dose must be determined by your doctor. Pain in your muscles, back, arms, or legs There may be other side effects of sildenafil that are not listed here.