We kindly ask you to cancel appointments at least 24 hours in advance. Otherwise, a fee will be charged.
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Zentrum Prime Tower Cubus
Hardstrasse 221, 8005 Zürich
Opening hours
Monday - Thursday07:30 - 16:30
Friday07:30 - 12:30
Saturday – Sundayclosed
Phone hours
Monday - Thursday07:30 - 11:30
12:30 - 16:00
Friday07:30 - 12:30

Contact your veterinarian if your pet experiences any unusual reactions when different medications are given together.

Medication Class Effect Risk Factors
Nitrates Severe hypotension Should not be used together
Alpha-blockers Increased blood pressure lowering Use with caution
CYP3A4 Inhibitors Elevated sildenafil levels Potential for increased side effects
Herbal Supplements (e.g., St. John’s Wort) Reduced sildenafil efficacy Active compounds may affect metabolism

Please ensure your veterinarian is aware of all medications and supplements that your pet is currently receiving.

  • Sildenafil is a medication used to treat erectile dysfunction.
  • It works by increasing blood flow to the penis.
  • Always consult a doctor before taking sildenafil.

Your veterinarian may prescribe multiple medications, even if a potential drug interaction may occur. In these instances, your veterinarian may adjust the dosage(s) or monitor your pet more closely.

  • Do not take sildenafil if you have a recent stroke or heart attack.
  • Combining sildenafil with certain drugs can be dangerous.
  • Inform your doctor of all medications before use.

Cautions: While this medication does not have an FDA–approved indication for animal use, it is a common and acceptable practice for veterinarians to prescribe this human medication for use in animals.

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Answer confidential assessmentYour responses help us understand your unique situation Your responses help us understand your unique situation A doctor or nurse practitioner will message you within 1 dayPersonalized discussion about treatment options FREE fast delivery to your door2-3 business days and then monthly delivery for 11 refills - cancel anytime 2-3 business days and then monthly delivery for 11 refills - cancel anytime A single Viagra pill costs between $60-$80 at most online pharmacies. The price varies slightly between 50 mg and 100 mg tablets. So the name-brand medication can get pricey if you’re filling a prescription for more than a few pills. If you’re looking for the same results at a much more affordable price point, consider generic Viagra (sildenafil). Sildenafil citrate is the active chemical ingredient in Viagra used to treat erectile dysfunction.

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This means that the generic med will work exactly the same as its pricier counterpart. Many online pharmacies are selling the generic med for $30-$35/pill. At Lemonaid, we care about making great care affordable and accessible to everyone. Take Viagra 30-60 minutes before you plan to have sex. And if sex doesn’t happen quite when you’d planned on it, no big deal.

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It’s fine to take your Viagra pill up to 4 hours before sex. If you find that it’s taking longer than you’d like for your little blue pill to kick in, our medical team recommends taking your meds on an empty stomach. While this med may be taken with or without food, eating a high-fat meal beforehand can cause it to work more slowly. Once you’ve taken your meds, you can expect peak performance for 2-3 hours. After that, the effects will slowly start to dissipate in your body. Use with caution in pets with resting hypotension, fluid depletion, severe left ventricular outflow obstruction, bleeding disorder, or autonomic dysfunction.

Product Dosage Quantity + Bonus Price
Viagra Generic25mg120 + 6 Pills125.56€ 119.58€
Viagra Generic150mg180 + 10 Pills236.46€ 225.20€
Viagra Generic25mg60 + 4 Pills71.99€ 68.56€
Viagra Generic100mg270 + 10 Pills270.47€ 257.59€
Viagra Generic150mg20 Pills55.02€ 52.40€
Viagra Generic150mg90 + 6 Pills147.18€ 140.17€
Viagra Generic25mg180 + 6 Pills154.93€ 147.55€
Viagra Generic200mg360 + 10 Pills481.98€ 459.03€
Viagra Generic100mg360 + 10 Pills330.21€ 314.49€
Viagra Generic25mg30 + 4 Pills47.97€ 45.69€
Viagra Generic50mg30 + 4 Pills54.26€ 51.68€
Viagra Generic50mg360 + 10 Pills225.33€ 214.60€
Kamagra100mg180 + 6 Pills436.79€ 415.99€
Viagra Generic25mg20 Pills37.74€ 35.94€
Kamagra Soft Tabs100mg60 + 4 Pills180.59€ 171.99€
Viagra Generic200mg60 + 4 Pills125.19€ 119.23€

Lower dosages may be required in patients with significant liver or kidney impairment.

  • The recommended dose varies from 25 to 100 mg.
  • Do not exceed one dose per 24 hours.
  • Sildenafil may cause headaches or flushing.

The safe use of sildenafil during pregnancy or lactation has not been established in animals.

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Viagra can last up to 8 hours for some men, though it’s unusual. Many different factors account for how this medication may affect you, including how long it lasts in any one person’s system. These are things like diet, the rate of your metabolism, your dosage, as well as your environment. It’s unlikely that this medication will increase the amount of time you can have sex. That’s because this drug works by supporting your body to function the way it usually would when you feel aroused.

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In other words, taking this med means that you’ll be able to experience sexual stimulation and orgasm the same way you would naturally. Viagra won’t make you last longer in bed or have more orgasms than your body can safely handle. Because Viagra and sildenafil are some of the most widely counterfeited ED meds, you need to be careful about where you get them online. Please consult with your healthcare provider before taking anything marketed as an herbal supplement for erectile dysfunction since these aren’t FDA-approved treatments. Many of these supplements have been shown to contain dangerous and harmful ingredients.

How can Lemonaid Health help if I suffer from ED?

We also recommend that you ask your doctor, nurse practitioner, sildenafil citrate 100mg tablets or healthcare provider before using any over-the-counter medicines for ED. Another danger is buying something marketed as Viagra online that’s actually a counterfeit drug. To ensure you’re treating ED safely, you should always Buy from a licensed online pharmacy with a US mailing address Buy from a pharmacy that requires a prescription Work with a licensed doctor or nurse practitioner and pharmacist Ensure you can contact your provider for questions or other help At Lemonaid, we care about getting you the help you need, including the right ED medications. Our fully-certified medical team only prescribes FDA-approved medications and our US-based, fully licensed pharmacy only stocks the real deal: branded Viagra & sildenafil. Our medical team is here to help with all of your questions and concerns. Do NOT use this medication concurrently with nitrates (e.g., nitroglycerin), and do not administer to animals with known history or suspected allergy⁄hypersensitivity to this medication or any of its ingredients.

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Viagra can cause serious side effects too. These include sudden vision loss in one or both eyes, sudden hearing loss, chest pain, and irregular heartbeat. Viagra can also cause low blood pressure, which is most pronounced 1-2 hours after taking the medication. There’s one final side effect we want to note. If you experience a condition called priapism, where you have an erection that lasts longer than 4 hours or doesn’t go away, stop taking Viagra and seek emergency medical help right away.

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This condition occurs at much higher rates in men with sickle cell anemia. Hover over image to zoom inClick image to open expanded view Description: Sildenafil is a vasodilator typically used in dogs to treat high blood pressure in the lungs. It may also be used to treat megaesophagus, or certain heart conditions including Eisenmenger's syndrome.Typically used to treat high blood pressure in the lungs (pulmonary arterial hypertension)Can also be used to improve clinical signs associated with congenital megaesophagus or certain heart conditions including Eisenmengerâs syndromeActive IngredientSildenafil citrate Generic Name: SildenafilBrand Name(s)Viagra®, Revatio® Drug Class: Vasodilator, Phosphodiesterase Type 5 (PDE5) Inhibitor Manufacturer: Sildenafil 20 mg Tablets: 7 mm, round, white tablet, film–coated, not scored, imprinted with SC on one side and 20 on the other side. (NDC 27241–0124–03)Sildenafil 20 mg Tablets Product Description & Form: *Tablet size, color, shape, markings, or coating may be different from description. Sildenafil Tablets are a generic medication, and therefore the current manufacturer may change at any given time based on availability.

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*Tablet size, color, shape, markings, or coating may be different from description. (Manufacturer: Ajanta Pharma, NDC 27241–0124–03)Sildenafil 20 mg Tablets Usage: Sildenafil Tablets should be given orally as directed by yourveterinarian. Missed Doses: Administer the dose as soon as possible. If it is almost time for the next dose, skip the missed dose and continue with the regular schedule. Do not give two doses at once. Be sure to inform Vetsource and your veterinarian if your pet has any known drug sensitivities or allergies.

  • Sildenafil’s effects typically last 4-6 hours.
  • It is available by prescription only.
  • Do not take sildenafil with nitrates.

If your pet displays symptoms of an allergic reaction, discontinue therapy and call your veterinarian immediately or seek emergency veterinary attention.

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Side Effects: Sildenafil is generally well tolerated, and side effects are typically uncommon. Reported side effects with this medication include (but may not be limited to): flushing⁄redness in the inguinal (groin) area and GI effects (e.g., appetite loss, vomiting, diarrhea). Notify your veterinarian if the effects described above sildenafil oral jelly 100 mg or any other side effects appear and become persistent or troublesome. If you notice anything unusual, contact your veterinarian. Drug & Food Interactions: The following medications may have potential interactions with this medication (but may not be a comprehensive list): ACE inhibitors (e.g., enalapril, benazepril), other concurrent antihypertensives, azole antifungals, beta blockers(e.g., atenolol, sotalol), furosemide, and phenobarbital. Symptoms may include (but are not limited to): swollen lips, tongue, face, or airways, difficulty breathing, agitation, profuse salivation, and widespread hives or itching.

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Plus, we follow the same HIPAA privacy laws as a brick-and-mortar doctor’s office. We make it safe, easy, and affordable to get incredible medical care from home, with meds delivered right to your door. This medication comes in 3 different strengths or dosages: 25 mg, 50 mg, and 100 mg. If you use sildenafil oral strips Lemonaid, we’ll typically recommend trying the 50 mg pill first as this is the suggested starting dose. Our medical team will adjust the strength of your pills as necessary based on your experience with the starting dose.

Why do I need to know my blood pressure?

A Lemonaid medical professional will help you figure out which dosage makes the most sense for your needs. If you’ve never tried this med before, you might be wondering, “how much Viagra should I take the first time?” As we mentioned, the typical starting dosage is 50 mg but varies on a case-by-case basis. If you have questions about your dosage or how to take this medication correctly, we’re here for you. Schedule an easy online appointment with a member of our medical team today, and we’ll help you find the appropriate Viagra dosage for your unique situation. Like all medicines, Viagra comes with a risk of side effects.

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If we prescribe this medicine, it’s essential that you read the treatment plan we provide before taking it. The treatment plan will offer a more detailed list of possible side effects. The most common side effects of Viagra are headache, upset stomach, flushing, minor changes in vision, stuffy or runny nose, back pain, muscle pain, nausea, mild dizziness, & rash. The good news is these side effects often go away on their own, but you should seek medical advice if they don’t. If you’re having a hard time with any of these issues, please talk to your doctor or medical provider right away. Adverse Reactions: If you are concerned that your pet has experienced an adverse reaction to this medication, please contact Vetsource customer service at 877–738–4443.

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    Dear Patients


    We would like to inform you that allcare Hausarzt-Zentren AG has been dissolved. We regret the resulting inconvenience and understand that this is a difficult situation for you.

    Please be assured that we are doing everything we can to reopen the practices as soon as possible. As soon as we have news, we will contact you immediately.

    Your well-being is important to us and we hope for your understanding and thank you for your patience during this time.

    Kind regards

    Your allcare team