Choosing the Right Pill to Treat ED

Talk to your doctor about eating grapefruit and drinking grapefruit juice while taking this medicine.

• Tadalafil lasts longer than sildenafil, providing up to 36 hours of effect.
• Sildenafil was the first FDA-approved ED medication in 1998.
• Genérico versions offer a more affordable option.
• Warning signs include sudden vision loss or hearing decline.
• Combining with recreational drugs can cause dangerous side effects.
• Men with kidney or liver issues should consult a doctor first.
• Tablets should be stored in a cool, dry place away from children.
• Always check for possible drug interactions before use.

If you are taking sildenafil for erectile dysfunction, you are unlikely to miss a

Recommendation	Purpose	Details
Wait 24 hours before next dose	Prevent overdose	Follow prescribing guidelines
Monitor for side effects	Ensure safety	Contact doctor if severe
Maintain healthy lifestyle	Support long-term efficacy	Diet, exercise, stress management
Store tablets properly	Preserve potency	Keep in cool, dry place

dose since this medication is taken as needed, not on a regular dosing schedule.

• ED tablets can enhance confidence and intimacy.
• Not all men respond equally; some require alternative therapies.
• Psychological side effects like anxiety may decrease after use.
• Age and severity of ED influence medication choice.
• Using tablets without a prescription can be unsafe.
• Some underlying health issues may contraindicate certain medications.
• Combining ED medication with fitness programs improves results.
• Always follow medical advice for long-term erectile health.

If you are taking sildenafil for PAH, take the missed dose as soon as you remember it.

How should this medicine be used?

John's wort. Be sure to let your doctor and pharmacist know that you are taking these medications before you start taking sildenafil. Do not start these medications while taking sildenafil without discussing it with your healthcare provider. tell your doctor if you smoke, if you have had heart surgery within the last 6 months, if you have ever had an erection that lasted for more than 4 hours, and if you have recently lost a large amount of body fluids (dehydration). This can happen if you are sick with fever, diarrhea, or vomiting; sweat a lot; or do not drink enough liquids. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule.

Product	Dosage	Quantity + Bonus	Price
Viagra Generic	150mg	10 Pills	36.73€ 34.98€	Buy
Kamagra Polo	100mg	272 + 12 Pills	622.94€ 593.28€	Buy
Levitra Generic	60mg	120 + 8 Pills	372.33€ 354.60€	Buy
Kamagra Gold	100 mg	120 + 6 Pills	330.74€ 314.99€	Buy
Cialis Black	80mg	30 + 2 Pills	89.11€ 84.87€	Buy
Kamagra Gold	100 mg	32 Pills	121.24€ 115.47€	Buy
Levitra Original	20mg	22 + 2 Pills	138.55€ 131.95€	Buy
Viagra Generic	50mg	90 + 6 Pills	107.37€ 102.26€	Buy
Cialis Generic	20mg	10 Pills	31.49€ 29.99€	Buy
Cialis Professional	20mg	120 + 4 Pills	291.68€ 277.79€	Buy
Viagra Generic	25mg	360 + 10 Pills	213.68€ 203.50€	Buy
Viagra Generic	50mg	30 + 4 Pills	54.26€ 51.68€	Buy
Viagra Original	100mg	8 Pills	59.84€ 56.99€	Buy

Do not take a double dose to make up for a missed one.

What side effects can this medication cause?

Do not stop taking sildenafil without talking to your doctor. Ask your pharmacist or doctor for a copy of the manufacturer's information for the patient. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for stay hard pills more information. tell your doctor and pharmacist if you are allergic to sildenafil, any other medications, or any of the ingredients in sildenafil tablet or suspension. Ask your pharmacist for a list of the ingredients.

Vitamins and supplements for ED

Some medications should not be taken with sildenafil. Make sure you have discussed any other medications you are currently taking or plan to take before starting sildenafil with your doctor and pharmacist. Before starting, stopping, or changing any medications while taking sildenafil, please get the advice of your doctor or pharmacist. tell your doctor if you are taking street drugs containing nitrates ('poppers') such as amyl nitrate, amyl nitrite, or butyl nitrate while taking sildenafil. Your doctor will tell you not to take sildenafil if you are taking street drugs containing nitrates.

ED drugs are not safe for all men.

tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, and nutritional supplements you are taking or plan to take. Your doctor may need to change the doses of your medications or monitor you carefully for side effects. you should know that sildenafil is available under the brand names Liqrev, Revatio, and Viagra. You should only be treated with one of these products at a time. The following nonprescription or herbal products may interact with sildenafil: cimetidine (Tagamet HB), St. numbness, burning, or tingling in the arms, hands, feet, or legs pain in muscles, back, arms, or legs changes in color vision (seeing a

Condition	Rationale	Notes
Use of nitrate medications	Risk of severe hypotension	Examples include nitroglycerin
Severe cardiovascular disease	Potential for cardiac stress	Consult doctor advised
Prior eye conditions	Risk of vision loss	Such as non-arteritic ischemic optic neuropathy
Allergy to active ingredients	Allergic reactions	Check ingredient list
Severe liver or kidney impairment	Metabolism and excretion issues	Consult healthcare provider

blue tinge on objects or having difficulty telling the difference between blue

Frequently asked questions

if you are taking sildenafil to treat erectile dysfunction, tell your doctor if you have ever been advised by a healthcare professional to avoid sexual activity for medical reasons or if you have ever experienced chest pain during sexual activity. Sexual activity may be a strain on your heart, especially if you have heart disease. If you experience chest pain, dizziness, or nausea during sexual activity, call your doctor immediately and avoid sexual activity until your doctor tells you otherwise. tell all your healthcare providers that you are taking sildenafil. If you ever need emergency medical treatment for a heart problem, the healthcare providers who treat you will need to know when you last took sildenafil. and green) sudden severe loss of vision (see below for more information) erection

What Tests Will a Urologist Do if I Have ED?

If you have certain health conditions or are taking certain medications, your doctor may tell you to take sildenafil less often. You can take sildenafil with or without food. However, if you take sildenafil with a high-fat meal, it will take longer for the medication to start to work. If you are taking sildenafil to treat PAH, you will probably take sildenafil three times a day with or without food. Take sildenafil at around the same times every day.

Compare ED treatments

Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Do not take more or less of it or take it more often than prescribed by your doctor. Shake the liquid well for 10 seconds before each use to mix the medication evenly. Use the oral syringe provided with your medication to measure and take your dose. Follow the manufacturer's directions to use and clean the oral syringe.

The best place to get medications for ED

Do not mix the liquid with other medications or add anything to flavor the medication. If you are taking sildenafil for erectile dysfunction, your doctor will probably start you on an average dose of sildenafil and increase or decrease your dose depending on your response to the medication. Tell your doctor if sildenafil is not working well or if you are experiencing side effects. If you are taking sildenafil for PAH, you should know that sildenafil controls PAH but does not cure it. Continue to take sildenafil even if you feel well. that is painful or lasts longer than 4 hours rash; itching; hives;

Side effects

Also tell your doctor if you have or have ever had pulmonary veno-occlusive disease (PVOD; blockage of veins in the lungs); a stomach ulcer; heart, kidney, or liver disease; a heart attack; heart failure; angina (chest pain); an irregular heartbeat; a stroke; chest pain; high or low blood pressure; high cholesterol; a bleeding disorder; blood circulation problems; blood cell problems such as sickle cell anemia (a disease of the red blood cells), multiple myeloma (cancer of the plasma cells), or leukemia (cancer of the white blood cells); conditions affecting the shape of the penis (e.g., angulation, cavernosal fibrosis, or Peyronie's disease); or diabetes. Also tell your doctor if you or any of your family members have or have ever had an eye disease such as retinitis pigmentosa (an inherited eye condition that causes loss of vision) or if you have ever had sudden severe vision loss, especially if you were told that the vision loss was caused by a blockage of blood flow to the nerves that help you see. if you are a woman and you are taking sildenafil to treat PAH, tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. If you become pregnant while taking sildenafil, call your doctor. if you are having surgery, including dental surgery, tell your doctor or dentist that you are taking sildenafil. difficulty breathing or swallowing; swelling of the eyes, face, throat, tongue, or lips

Why trust our experts?

Please note the date of last review or update on all articles. No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician. Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men. Sildenafil (Liqrev, Revatio) is used to improve the ability to exercise in adults (Liqrev, Revatio) and children 1 year of age and older (Revatio) with pulmonary arterial hypertension (PAH; high blood pressure in the vessels carrying blood to the lungs, causing shortness of breath, dizziness, and tiredness). Sildenafil is in a class of medications called phosphodiesterase (PDE) inhibitors.

FYI on ED

Sildenafil treats erectile dysfunction by increasing blood flow to the penis during sexual stimulation. This increased blood flow can cause an erection. Sildenafil treats PAH by relaxing the blood vessels in the lungs to allow blood to flow easily. If you are taking sildenafil to treat erectile dysfunction, you should know that it does not cure erectile dysfunction or increase sexual desire. Sildenafil does not prevent pregnancy or the spread of sexually transmitted diseases such as human immunodeficiency virus (HIV).

Sildenafil may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:

Sildenafil comes as a tablet and suspension (liquid) to take by mouth. If you are taking sildenafil to treat erectile dysfunction, follow your doctor's directions and the guidelines in this paragraph. Take sildenafil as needed before sexual activity. The best time to take sildenafil is about 1 hour before sexual activity, but you can take the medication any time from 4 hours to 30 minutes before sexual activity. Sildenafil usually should not be taken more than once every 24 hours. Some patients experienced a sudden loss of some or all of their

What Injections and Suppositories Treat Erectile Dysfunction?

(Nitrates found in food don't pose a problem.) You also need to be careful if you take any other drugs that lower blood pressure. For example, alpha blockers - such as tamsulosin (Flomax) and alfuzosin (Uroxatral), which are used to treat symptoms of an enlarged prostate, lower blood pressure in some men. Make sure to take them at least four hours apart from an ED drug. It's important to realize that ED drugs don't increase sexual desire, and you have to be ready and sexually stimulated for them to work. The drugs won't work well if you are mentally or emotionally not ready for sex.

Erectile dysfunction care at Mayo Clinic

You can't just take a pill, pay some bills or wash the dishes, and then go to the bedroom and think you'll be ready to go. When your mind is not there, you are not going to want sex, and no ED drug can fix that problem. Before trying an ED drug, it's best to step back and analyze your sex life and when your ED occurs. Does it happen all the time or just in certain situations? Is it with only one partner or different ones?

Key differences between ED medications

Does it ever happen when you masturbate? Are the problems associated with stress or alcohol? Asking yourself these types of questions can help identify if your ED may be more psychological than physical. You might benefit from sex therapy with your partner, or you may need treatment for a specific condition that affects your desire and sexual arousal, like post-traumatic stress disorder, depression, or anxiety. As a service to our readers, Harvard Health Publishing provides access to our library of archived content. vision after they took sildenafil or other medications that are similar to sildenafil.

Factor	Impact on Tablets	Advice
Smoking	Reduced blood flow	Quit smoking for better results
Alcohol Consumption	Can diminish effectiveness	Limit alcohol intake
Obesity	Impaired blood circulation	Maintain healthy weight
Stress	Affects libido and response	Practice stress-reducing techniques
Exercise	Improves cardiovascular health	Regular physical activity