Viagra Patient Tips

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.

7.4 Ritonavir and other CYP3A4 inhibitors

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.

What is Viagra’s form?

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. The effects of Viagra on the body are temporary and will not result in a permanently hard or enlarged penis. 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.

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However, the incidence of some adverse reactions and the severity of adverse reactions increased with the dosage of Viagra.

5.4 Hearing Loss

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.

Improves ability to urinate

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 click and collect Viagra with your doctor. For most people, sexual activity is good for cardiovascular health. However, if you have cardiovascular disease, ask your doctor if it’s safe for you to take Viagra. There are a few common side effects that can result from Viagra. If these symptoms become severe, contact your doctor immediately. More severe side effects from Viagra can include: Seek immediate medical attention if you cialis or viagra for women are experiencing these symptoms.

8.1 Pregnancy

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 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.

Give yourself time for it to work

About 80 percent of Viagra leaves your body in your feces. The rest is washed out with your urine. One fairly common cheap viagra with dapoxetine 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 severe side effects from Viagra, stop using the drug immediately and seek medical attention. For more common side effects, talk with your doctor about changing your dosage of the drug.

Age Group	Proportion Taking Daily Viagra (%)	Common Reasons
30–40	10%	Performance anxiety, early ED
40–50	30%	Declining sexual function
50–60	40%	Chronic health issues, aging
60+	20%	Age-related ED, cardiovascular issues

Contains inactivated NDC Code(s)NDC Code(s): 50090-0619-8 If you are a consumer or patient please visit this version.

• Viagra daily can be taken with or without food.
• Regular medication use may improve blood flow to the penis.
• Use Viagra daily as directed by a healthcare professional.
• Side effects may include headache, flushing, or nasal congestion.
• Avoid alcohol while taking daily Viagra to reduce side effects.
• Damage to the heart or blood pressure issues should be checked before use.
• Viagra daily should not be combined with certain nitrates.
• Monitor for any adverse effects and report to your doctor.

HIGHLIGHTS OF PRESCRIBING INFORMATION These highlights do not include all the information needed to use VIAGRA safely and effectively.

• Viagra daily is often used by men with chronic erectile issues.
• It is not a cure but can enhance everyday sexual activity.
• Proper hydration can support the effectiveness of Viagra.
• Report any ongoing side effects to your healthcare provider.
• Store Viagra in a cool, dry place away from children.
• Combining Viagra with other ED medications is not recommended.
• The medication should be used as part of a broader health plan.
• Lifestyle changes can improve Viagra's effectiveness.

See full prescribing information for VIAGRA.VIAGRA® (sildenafil citrate) tablets, for oral useInitial U.S.

Interactions between Sildenafil (Viagra) and other drugs

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.

How does Viagra work?

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. Approval: 1998RECENT MAJOR CHANGESINDICATIONS AND USAGEVIAGRA 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. However, VIAGRA 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 VIAGRA to patients using nitric oxide donors, such as organic nitrates or organic nitrites in any form. VIAGRA 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 VIAGRA if sexual activity is inadvisable due to cardiovascular status (5.1)Patients should seek emergency treatment if an erection lasts >4 hours. Use VIAGRA with caution in patients predisposed to priapism (5.2)Patients should stop VIAGRA 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). VIAGRA 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. (5.3)Patients should stop VIAGRA and seek prompt medical attention in the event of sudden decrease or loss of hearing (5.4)Caution is advised when VIAGRA 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 exposures. In patients taking strong CYP inhibitors, such as ritonavir, sildenafil exposure is increased. Decrease in VIAGRA 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 Pfizer at 1-800-438-1985 or FDA at 1-800-FDA-1088 or INTERACTIONSVIAGRA 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 VIAGRA at 25 mg dose (2.3)CYP3A4 inhibitors (e.g., ritonavir, ketoconazole, itraconazole, erythromycin): Increase VIAGRA exposure (2.4, 7.4, 12.3)USE IN SPECIFIC POPULATIONSSee 17 for PATIENT COUNSELING INFORMATION and FDA-approved patient labeling.Revised: 1/2020 VIAGRA 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, VIAGRA 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 VIAGRA to patients using nitric oxide donors, such as organic nitrates or organic nitrites in any form. VIAGRA 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 VIAGRA if sexual activity is inadvisable due to cardiovascular status (5.1) Patients should seek emergency treatment if an erection lasts >4 hours. Use VIAGRA with caution in patients predisposed to priapism (5.2) Patients should stop VIAGRA 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). Patients should stop VIAGRA and seek prompt medical attention in the event of sudden decrease or loss of hearing (5.4) Caution is advised when VIAGRA is co-administered with alpha-blockers or anti-hypertensives.

7. Interactions

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.

Who should not take sildenafil?

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. Concomitant use may lead to hypotension (5.5) Decreased blood pressure, syncope, and prolonged erection may occur at higher sildenafil exposures.