More severe side effects from Viagra can include: Seek immediate medical attention if you are experiencing these symptoms. For severe side effects from Viagra, stop using the drug immediately and seek medical attention.
7.2 Alpha-blockers
Avoid PDE5 inhibitors if you have a history of non-arteritic anterior ischemic optic neuropathy (NAION), an eye condition characterized by the interruption of blood flow to the optic nerve. If liquid viagra you have hearing or vision loss while taking Viagra, seek immediate medical help. Viagra is dispensed in a film-coated tablet. You can take Viagra with or without food, and it’s best to take it about an hour before you plan to have sex. Do not take Viagra more than once per day.
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About 80 percent of Viagra leaves your body in your feces. The rest is washed out with your urine. One fairly common side effect of Viagra is indigestion or stomach upset. PDE5 inhibitors can sometimes cause nausea or vomiting. Viagra typically lasts between 2 and 5 hours before the effects start to wear off. For more common side effects, talk with your doctor about changing your dosage of the drug. NDC Code(s): 27241-067-03, 27241-067-05, 27241-068-03, 27241-068-05, view more27241-068-10, 27241-069-03, 27241-069-05, 27241-069-10 If you are a consumer or patient please visit this version.
| User Type | Recommended Dose | Comments |
|---|---|---|
| Healthy Men | 50-100 mg | Based on tolerance |
| Sensitive Users | 25 mg | Start low to assess response |
| Older Adults | 25-50 mg | Lower doses preferred |
| Patients with Heart Conditions | Under medical supervision | No self-medication |
HIGHLIGHTS OF PRESCRIBING viagra black INFORMATION These highlights do not include all the information needed to use SILDENAFIL TABLETS safely and effectively.
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Viagra Generic | 100mg | 10 Pills | 28.91€ 27.53€ | |
| Viagra Generic | 200mg | 90 + 6 Pills | 170.79€ 162.66€ | |
| Viagra Professional | 100mg | 60 + 2 Pills | 146.74€ 139.75€ | |
| Viagra Professional | 100mg | 90 + 2 Pills | 207.09€ 197.23€ | |
| Viagra Generic | 25mg | 90 + 6 Pills | 105.03€ 100.03€ | |
| Viagra Generic | 200mg | 30 + 2 Pills | 83.07€ 79.11€ | |
| Viagra Super Active | 100mg | 10 Pills | 28.76€ 27.39€ | |
| Viagra Generic | 100mg | 180 + 8 Pills | 199.37€ 189.88€ | |
| Viagra Original | 100mg | 8 Pills | 59.84€ 56.99€ | |
| Viagra Soft Tabs | 100mg | 180 + 10 Pills | 314.95€ 299.95€ | |
| Viagra Generic | 200mg | 270 + 10 Pills | 379.76€ 361.68€ |
See full prescribing information for SILDENAFIL TABLETS.SILDENAFIL tablets, for oral useInitial U.S.
- The color yellow helps distinguish Viagra pills from other ED medications.
- Some yellow Viagra tablets are designed for extended-release effects.
- It's essential to purchase from reliable sources to avoid counterfeit pills.
- Viagra works by inhibiting an enzyme called PDE5, enhancing blood flow.
- Missing doses or inconsistent use can reduce treatment effectiveness.
- Always read the patient information leaflet included with the pill.
Approval: 1998INDICATIONS AND USAGESildenafil citrate is a phosphodiesterase-5 (PDE5) inhibitor indicated for the treatment of erectile dysfunction (ED) (1)DOSAGE AND ADMINISTRATIONFor most patients, the recommended dose is 50 mg taken, as needed, approximately 1 hour before sexual activity.
6.2 Postmarketing Experience
The number of doses taken daily depends on why Viagra is being used. Adults aged up to 64 years old typically take 50 milligrams (mg) 1 hour before sexual intercourse, no more than once a day. For adults ages 65 and older using Viagra for erectile dysfunction, or for those with cirrhosis or severe renal impairment, the average dose is 25 mg as a single dose, taken 1 hour before sexual intercourse, but no more than once a day. Viagra may also be taken between 30 minutes to 4 hours before sexual intercourse. Your doctor may adjust your dosage to meet your needs.
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Viagra may also be used for pulmonary arterial hypertension. When used for this purpose, the average dose is 5 to 20 mg of Viagra taken 3 times a day. The doses of Viagra should be taken between 4 to 6 hours apart when used for pulmonary arterial hypertension. It takes a finely choreographed series of events to produce an erection. It begins with arousal signals from your brain, and it all hinges on good blood flow to the penis.
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Within the penis are two chambers called the corpora cavernosa. Nitric oxide is released in the chambers during sexual stimulation. Nitric oxide activates an enzyme called guanylate cyclase. This increases cyclic guanosine monophosphate (cGMP) levels, which causes muscles to relax. The chambers also contain a network of blood vessels. However, sildenafil tablets may be taken anywhere from 30 minutes to 4 hours before sexual activity (2.1)Based on effectiveness and toleration, may increase to a maximum of 100 mg or decrease to 25 mg (2.1)Maximum recommended dosing frequency is once per day (2.1)DOSAGE FORMS AND STRENGTHSTablets: 25 mg, 50 mg, 100 mg (3)CONTRAINDICATIONSAdministration of sildenafil tablets to patients using nitric oxide donors, such as organic nitrates or organic nitrites in any form.
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It’s important to make sure to take this medication correctly and, ideally, take the tablet 30 to 60 minutes before you plan to engage in sexual activity. It’s also important to keep in mind that you must be sexually aroused for the tablet to work properly. Viagra is a drug that works by helping men maintain an erection. Without touch to the penis, like that experienced in sexual intercourse, an erection will not occur, and the penis will not harden or grow in size. The effects of Viagra on the body are temporary and will not result in a permanently hard or enlarged penis. Sildenafil citrate was shown to potentiate the hypotensive effect of nitrates (4.1, 7.1, 12.2)Known hypersensitivity to sildenafil or any component of tablet (4.2)Administration with guanylate cyclase (GC) stimulators, such as riociguat (4.3)WARNINGS AND PRECAUTIONSPatients should not use sildenafil tablets if sexual activity is inadvisable due to cardiovascular status (5.1)Patients should seek emergency treatment if an erection lasts >4 hours. Use sildenafil tablets with caution in patients predisposed to priapism (5.2)Patients should stop sildenafil tablets and seek medical care if a sudden loss of vision occurs in one or both eyes, which could be a sign of non arteritic anterior ischemic optic neuropathy (NAION).
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You still need some kind of stimulation to get an erection. The effects of Viagra usually last about 4 hours, though they may last longer for some men. A rare but serious side effect is priapism. That’s when you get an erection that lasts for an extended period of time. If you have an erection that lasts for more than 4 hours, seek immediate medical attention.
Professional resources
You should also be wary of PDE5 inhibitors if you have an anatomical abnormality of the penis. If you have Peyronie’s disease, your doctor may advise against taking Viagra. Viagra is a temporary fix and does not cure ED. It offers no protection from sexually transmitted infections (STIs). Viagra helps to improve blood flow to the penis, but your brain is still your most valuable sex organ.
Pulmonary hypertension
Viagra will not work if you’re not in the mood. Some potential side effects of Viagra are headache, runny or blocked nose, or a nosebleed. In rare cases, Viagra can cause fainting. Some men taking PDE5 inhibitors report back or muscle pain. It’s not common, but some men experience ringing in the ears, hearing loss, or vision loss after taking PDE5 inhibitors. Sildenafil tablets should be used with caution, and only when the anticipated benefits outweigh the risks, in patients with a history of NAION. Patients with a “crowded” optic disc may also be at an increased risk of NAION.
| Brand | Manufacturer | Price Range (per pill) | Availability | Notes |
|---|---|---|---|---|
| Pfizer Viagra | Pfizer Inc. | $15 - $30 | Widely available | Original brand |
| YellowPower | Generic Labs | $5 - $10 | Online pharmacies | Generic version |
| MaxiYellow | HealthCorp | $8 - $18 | Pharmacies | Alternative brand |
(5.3)Patients should stop sildenafil tablets and seek prompt medical attention in the event of sudden decrease or loss of hearing (5.4)Caution is advised when sildenafil tablets is co-administered with alpha-blockers or anti-hypertensives. Concomitant use may lead to hypotension (5.5)Decreased blood pressure, syncope, and prolonged erection may occur at higher sildenafil citrate exposures.
| Color Shade | Approximate Dose | Additional Features | Notes |
|---|---|---|---|
| Bright Yellow | 100 mg | High concentration | Prescription-only |
| Pale Yellow | 25 mg | Lower dose | Suitable for sensitive users |
| Deep Amber | 50 mg | Standard dose | Most common |
In patients taking strong CYP inhibitors, such as ritonavir, sildenafil exposure is increased.
Overdose/Missed Dose
When those blood vessels relax and widen, blood rushes in. The resulting pressure is what causes an erection. PDE5 can dampen the effect of cGMP. Viagra is rapidly absorbed into the bloodstream. Maximum concentrations are reached within about an hour.
Recreational use
One of the more common side effects is flushing, redness or other color changes, or other discoloration. This medication can also cause a decrease in blood pressure, particularly 1 to 2 hours after taking it. If you already have low blood pressure, discuss the pros and cons of Viagra with your doctor. For most people, sexual activity buy viagra connect online is good for cardiovascular health. However, if you have cardiovascular disease, ask your doctor if it’s safe for you to take Viagra.
Raynaud's phenomenon
You should also avoid Viagra if your doctor advises you not to have sex. You should not take Viagra if you’ve had a stroke or heart attack or if you have unstable angina. Certain drug interactions can harm your heart. Avoid taking PDE5 inhibitors if you also use long-lasting alpha-blockers or take medications that contain nitrates. Viagra can be quite effective, but it’s no magic pill. Decrease in sildenafil citrate dosage is recommended (2.4, 5.6)ADVERSE REACTIONSMost common adverse reactions (≥ 2%) include headache, flushing, dyspepsia, abnormal vision, nasal congestion, back pain, myalgia, nausea, dizziness and rash (6.1)To report SUSPECTED ADVERSE REACTIONS, contact Ajanta Pharma USA Inc.
5.3 Prolonged Erection
In rare cases, some men may experience a prolonged erection that is painful. In studies of healthy participants taking up to 800 mg of Viagra, there were similar adverse reactions as those found at a lower dosage. However, the incidence of some adverse reactions and the severity of adverse reactions increased with the dosage of Viagra. There are a few common side effects that can result from Viagra. If these symptoms become severe, contact your doctor immediately. at 855-664-7744 or FDA at 1-800-FDA-1088 or INTERACTIONSSildenafil citrate can potentiate the hypotensive effects of nitrates, alpha blockers, and anti-hypertensives (4.1, 5.5, 7.1, 7.2, 7.3, 12.2)With concomitant use of alpha blockers, initiate sildenafil citrate at 25 mg dose (2.3)CYP3A4 inhibitors (e.g., ritonavir, ketoconazole, itraconazole, erythromycin): Increase sildenafil citrate exposure (2.4, 7.4, 12.3)USE IN SPECIFIC POPULATIONSSee 17 for PATIENT COUNSELING INFORMATION and FDA-approved patient labeling.Revised: 10/2025 Sildenafil citrate is a phosphodiesterase-5 (PDE5) inhibitor indicated for the treatment of erectile dysfunction (ED) (1) For most patients, the recommended dose is 50 mg taken, as needed, approximately 1 hour before sexual activity. However, sildenafil tablets may be taken anywhere from 30 minutes to 4 hours before sexual activity (2.1) Based on effectiveness and toleration, may increase to a maximum of 100 mg or decrease to 25 mg (2.1) Maximum recommended dosing frequency is once per day (2.1) Tablets: 25 mg, 50 mg, 100 mg (3) Administration of sildenafil tablets to patients using nitric oxide donors, such as organic nitrates or organic nitrites in any form. Sildenafil citrate was shown to potentiate the hypotensive effect of nitrates (4.1, 7.1, 12.2) Known hypersensitivity to sildenafil or any component of tablet (4.2) Administration with guanylate cyclase (GC) stimulators, such as riociguat (4.3) Patients should not use sildenafil tablets if sexual activity is inadvisable due to cardiovascular status (5.1) Patients should seek emergency treatment if an erection lasts >4 hours.
- The yellow Viagra pill has become a well-known symbol in ED treatment discussions.
- It may interact with certain herbal supplements, altering its effects.
- Not for use in women, children, or individuals without erectile dysfunction.
- Side effects commonly occur, but serious reactions are rare with proper use.
- The pill’s popularity has led to numerous imitations, emphasizing the need for caution.
- Always check medication information and consult medical professionals before use.
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