Comparing Tadalafil (Generic Cialis) and Sildenafil (Generic Viagra)

Sildenafil > sildenafil 20 mg tablets


Keep sildenafil out of the reach of children and pets, and store the medication at room temperature between 68°F to 77°F (20°C to 25°C). You should always follow your doctor’s instructions regarding sildenafil dosing, but your total daily dosage should never exceed 100 milligrams. Even if you’re not getting results from a 100-milligram dose of sildenafil, don’t try to take more. If sildenafil isn’t helping with your lackluster erections, there are a few possible reasons. Another kind of treatment altogether (like therapy for psychological ED) Another kind of treatment altogether (like therapy for psychological ED) Addressing underlying health conditions that can contribute to ED Addressing underlying health conditions that can contribute to ED Additionally, taking sildenafil too early (we’re talking more than a few hours before having sex) won’t produce the effects you’re looking for. That means you have to do a bit of sex planning when taking sildenafil. But you might be surprised at how sexy the anticipation can be—for you and your partner. Spend that time exploring new foreplay ideas or sharing your sexual fantasies. Avoid taking sildenafil if it’s expired. According to the FDA, you should skip taking any expired meds and safely dispose of them for the following reasons: Their chemical composition could be altered, making them unsafe to consume.

More about sildenafil

You can take this ED medication with or without food. However, high-fat meals can impact the absorption of sildenafil, leading to lower peak plasma levels of the medication, which can translate to sildenafil 20 mg prescription lower efficacy. Grapefruit juice can also interfere with how the body processes sildenafil, leading to more side effects. So, if you’re a half-grapefruit in the a.m. kind of guy, mention that to your healthcare provider before filling a sildenafil prescription. Their chemical composition could be altered, making them unsafe to consume. How can you tell if your medications are expired? Check the label for a date, likely next to the abbreviation “Exp.” Want more tips on how to get the most out of sildenafil? Read our guide on how to use Viagra for best results. It doesn’t really matter if you forget to take sildenafil because it’s designed for you to take it as you need it. But be careful about accidentally doubling up on doses. Missing a dose before sex is no big deal, though doing so may impact the quality of your erection. However, forgetting you already took sildenafil and taking a subsequent dose within 24 hours can lead to complications, particularly if you go over 100 milligrams total.

Product Dosage Quantity + Bonus Price
Viagra Generic150mg120 + 8 Pills177.58€ 169.12€
Kamagra Oral Jelly100mg220 + 18 Sachets662.24€ 630.70€
Viagra Generic25mg270 + 8 Pills184.26€ 175.49€
Kamagra Polo100mg180 + 8 Pills446.52€ 425.26€
Viagra Generic50mg30 + 4 Pills54.26€ 51.68€
Kamagra Polo100mg272 + 12 Pills622.94€ 593.28€
Kamagra Soft Tabs100mg20 Pills79.79€ 75.99€
Viagra Generic100mg20 Pills45.58€ 43.41€
Viagra Generic100mg90 + 6 Pills129.02€ 122.88€
Viagra Generic150mg360 + 10 Pills423.48€ 403.31€
Viagra Generic25mg120 + 6 Pills125.56€ 119.58€
Viagra Generic200mg180 + 10 Pills277.56€ 264.34€
Viagra Generic200mg60 + 4 Pills125.19€ 119.23€
Viagra Generic100mg60 + 4 Pills96.36€ 91.77€
Kamagra Soft Tabs100mg84 + 4 Pills233.05€ 221.95€
Viagra Generic150mg60 + 4 Pills111.25€ 105.95€

You should be aware of the potential side effects when taking any new drug.

Comparing Which Works Faster

This causes the right side of the heart to work too hard. Sildenafil relaxes the smooth muscle around the small blood vessels within the lungs, which decreases the heart's workload. This medication works to improve overall quality of life, tolerance to exercise, and energy levels of animals suffering from pulmonary hypertension. The most frequently reported adverse reactions include: Drug interactions can occur when Sildenafil is administered with rifampin, phenobarbital, itraconazole, ketoconazole, clarithromycin, erythromycin, and cimetidine. Do not administer with drugs that can lower blood pressure, including hypotensive drugs, amlodipine, alpha-adrenergic blockers (including phenothiazines, phenoxybenzamine, and phentolamine), nitroprusside sodium, and nitrates.

Pulmonary hypertension

Only administer this medication to the animal it was prescribed to treat. The most frequently reported adverse reactions include: Sildenafil, 20 mg Tablet overdose: What to do? What to know before using Sildenafil, 20 mg Tablet Drug interactions can occur when Sildenafil is administered with rifampin, phenobarbital, itraconazole, ketoconazole, clarithromycin, erythromycin, and cimetidine. If your healthcare provider just prescribed sildenafil citrate (generic Viagra®) to treat your erectile dysfunction (ED) symptoms, you’re probably excited to get your mojo back. But it’s also understandable if your head is swimming with questions. The most common side effects of sildenafil include: Most of these mild side effects will go away on their own as your body adapts to taking sildenafil.

But sildenafil also comes with some more rare but potentially serious side effects like: Sudden loss of vision (potentially a sign of non-arteritic anterior ischemic optic neuropathy or NAION) Sudden loss of vision (potentially a sign of non-arteritic anterior ischemic optic neuropathy or NAION) Priapism (a painful erection lasting longer than four hours) Priapism (a painful erection lasting longer than four hours) If you experience any of these symptoms after taking sildenafil, seek immediate medical attention.

8.5 Geriatric Use

A typical starting dose of sildenafil is 50 milligrams, which you’d take 30 minutes to four hours before sexual activity. Your provider may adjust your dosage depending on your needs and how you respond to the medication. It’s also possible you may get a prescription in doses that are multiples of 20 milligrams, including 20 milligrams, 40 milligrams, 60 milligrams, and 80 milligrams. In these cases, your sildenafil tablets would actually be the generic form of Revatio®, a medication that has the ingredient sildenafil, like Viagra, but is FDA-approved for pulmonary arterial hypertension (although it can be prescribed off-label for ED). Be sure to talk through all options with your healthcare provider.

This medication requires a prescription.

And, as is the case with taking any medication, following a professional’s medical advice is crucial. Unlike some other ED meds, you don’t take sildenafil every day. Sildenafil is an as-needed medication that should be taken at least about 30 minutes to an hour before sexual activity, and its effects should last up to four hours. You should never take more than one dose per day. You may be prescribed sildenafil or Viagra if you struggle with the following symptoms: Getting erections that aren't as firm as you'd like them to be Getting erections that aren't as firm as you'd like them to be Some medications can upset your stomach if you don’t take them with food. And FYI: Even mild side effects can impact your life.

If you get an upset stomach every time you take sildenafil, talk with a healthcare professional.

Side Effect Frequency Severity Management Tips
Headache Common Mild Hydration, pain relievers
Flushing Common Mild Cool environment, relaxation
Nasal Congestion Less frequent Mild Use of decongestants
Dizziness Less frequent Mild Sit or lie down immediately

They may recommend changing your dose or switching medications altogether. Read more about potential sildenafil reactions in our sildenafil side effects guide.

Adverse Effects

Like other PDE5 inhibitors, or phosphodiesterase type 5 inhibitors, sildenafil is a safe treatment for ED, if used as directed. It’s been Food and Drug Administration (FDA)-approved for this use since 1998, after all. In an effort to provide some answers to your lingering questions, this guide will explain how to take sildenafil for the best results, a typical starting dosage, and potential side effects to consider. But remember that you should always follow your provider’s instructions for taking sildenafil—or any medication, for that matter. Sildenafil belongs to a class of drugs known as PDE5 inhibitors.

What’s the difference between sildenafil and Viagra?

These medications block the PDE5 enzyme, resulting in the widening of your blood vessels to promote blood flow to the penis. This increased blood flow results in an erection. However, sildenafil doesn’t affect your libido. You still need to be aroused to get and maintain an erection long enough to yield satisfying sex. Healthcare providers can prescribe sildenafil tablets in different doses. It might be dangerous to use sildenafil if you have certain medical conditions or take specific drugs. If your healthcare provider told you not to engage in sexual activity because of a heart condition (like a history of heart attack; heart disease; heart failure; angina; or arrhythmia, also known as an irregular heartbeat), it’s probably best to abstain from having sex and taking sildenafil.

6.2 Post-marketing Experience

We'll collect your vet's information at checkout to verify the prescription. Click on image to open expanded view Item No. Usually shipped in 1-3 business days. $0.21 AutoShip & Save up to 30% We'll collect your vet's information at checkout to verify the prescription. "Sildenafil is available with a veterinarian prescription.

Does sildenafil interact with other medicines (drug interactions)?

It is often prescribed to treat lung and heart problems, including pulmonary hypertension. Sildenafil is a prescription drug that is regularly prescribed by veterinarians to treat heart and lung problems which include pulmonary hypertension. Sildenafil increases the blood pressure within the lung arteries. It is often prescribed for the treatment of pulmonary hypertension. Pulmonary hypertension is abnormally high blood pressure within the lung arteries. Using sildenafil when you take medicines for high blood pressure or pulmonary arterial hypertension could cause a dangerous, potentially life-threatening dip in blood pressure. Avoid taking sildenafil with nitrates (medications for chest pain) such as isosorbide dinitrate, isosorbide mononitrate, nitroglycerin, and alpha-blockers or other blood pressure medications like riociguat. If you have a condition that puts you at higher risk of priapism—like sickle cell anemia, leukemia, Peyronie’s disease, or multiple myeloma—you should avoid sildenafil. There isn’t enough data to say whether sildenafil is safe for people with this eye condition. Sildenafil can interact with the nitrites found in certain recreational drugs popularly known as “poppers,” causing a dangerous drop in blood pressure. Don’t mix sildenafil with other ED drugs, like Cialis®, Levitra®, Revatio® (another brand name for sildenafil) or Stendra®. This can put you at risk for low blood pressure. More of something isn’t always better! Aside from heart medications and other PDE5 inhibitors, taking sildenafil with ritonavir, ketoconazole, itraconazole, or clarithromycin (an antibiotic) can increase the concentration of sildenafil in your body and make you more likely to experience side effects.

Brand Name Price Range (per tablet) Availability Prescription Needed Notes
Viagra $2 - $5 Pharmacies Yes Brand-name option
Sildenafil generics $0.50 - $1.50 Online & Local Pharmacies Yes Economical choice
Kamagra Varies Online (regulated in some countries) Yes Check legal status

Talk with a healthcare professional before mixing sildenafil with over-the-counter supplements, which aren’t regulated in the same way as prescription drugs.