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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

The content on this page has been supplied to canadianpharmacyworld.com by an independent third party contracted to provide information for our website. Canadianpharmacyworld.com relies on these third parties to create and maintain this information and cannot guarantee the accuracy or reliability of the information that has been provided to us. The drug information provided here is only a summary and does not contain all the list of possible side effects and drug interactions regarding this medication.

How much will it cost?

Sildenafil Citrate* is a generic form of Viagra®, an oral medication FDA-approved for treating Erectile Dysfunction. Sildenafil Citrate (generic Viagra®)* works by blocking PDE5 (phosphodiesterase type 5), an enzyme in the body that breaks down the chemicals responsible for blood flow (and therefore erections). The result is increased blood flow to the penis to help a man get and keep an erection. Take as needed for erectile dysfunction, 30 minutes to 4 hours before sexual activity. This medication works best on an empty stomach and without the consumption of alcohol close to its use.

What the Clinician Evaluates

Follow your provider’s recommendation for best results. How long does it take for Sildenafil Citrate (generic Viagra®) to work? Sildenafil Citrate (generic Viagra®)* typically takes between 30 minutes to an hour to begin working and lasts up to 12-24 hours in the body. What are the most common side effects of Sildenafil Citrate (generic Viagra®)? The most common side effects include headache, flushing, indigestion, abnormal vision, nasal congestion, back pain, muscle pain, nausea, dizziness and rash. Be sure to contact your doctor or pharmacist if you have any specific question or concern.

Product Dosage Quantity + Bonus Price
Viagra Soft Tabs100mg60 + 6 Pills152.94€ 145.66€
Viagra Soft Tabs100mg30 + 4 Pills83.06€ 79.10€
Viagra Original100mg92 + 4 Pills362.88€ 345.60€
Viagra Generic50mg60 + 4 Pills83.93€ 79.93€
Viagra Generic150mg270 + 10 Pills326.61€ 311.06€
Viagra Generic50mg270 + 8 Pills198.48€ 189.03€
Viagra Generic25mg120 + 6 Pills125.56€ 119.58€
Viagra Generic50mg120 + 6 Pills129.64€ 123.47€
Viagra Generic200mg270 + 10 Pills379.76€ 361.68€
Viagra Generic100mg90 + 6 Pills129.02€ 122.88€

If you require any advice or information about the drugs on this page, a medical condition or treatment advice, you should always speak to a healthcare professional.

Sildenafil Safety, Side Effects & Drug Interactions — What to Know Before You Buy Online

This weekend viagra medication should not be taken with other similar medications such as Avanafil (Stendra), Tadalafil (Cialis) or Vardenafil (Levitra). Sildenafil may make you dizzy or cause vision problems. You should not drive or do any activity that requires you to be alert. Before starting Viagra (sildenafil), it is vital to understand certain medical conditions. Do NOT take Viagra if you have the following conditions: • Hypersensitivity: a known allergy or hypersensitivity to sildenafil or any inactive ingredients in the tablet.

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• Nitrate Use: a prescription for nitrates (such as nitroglycerin, isosorbide) for chest pain or use of recreational "poppers," as the combination can cause a life-threatening drop in blood pressure. • Riociguat Use: a prescription for guanylate cyclase stimulators like riociguat for pulmonary hypertension. Consult your doctor about all of your medical conditions, both past and present, before starting Viagra. • Anatomical Deformities: Conditions affecting the shape of the penis (e.g., Peyronie's disease). • Bleeding Disorders: Active stomach ulcers or hemophilia. Please note that not all products, including any referenced in this page, are shipped by our affiliated Canadian Pharmacy. We are affiliated with other dispensaries that ship product to our customers from the following jurisdictions: Canada, Singapore, New Zealand, Turkey, Mauritius, India, and United Kingdom.

2. Choose your treatment

You can view detailed safety information for Sildenafil Citrate (generic Viagra®)* here. Reach out to your medical provider regarding any side effects that you experience. Are there potential Sildenafil Citrate (generic Viagra®) interactions with other medications? Sildenafil Citrate (generic Viagra®)* may interact with other medications such as nitrates (often prescribed for chest pain), guanylate cyclase stimulators (often prescribed for cardiovascular conditions and include Adempas (riociguat)), alpha-blockers (commonly used for prostate problems or high blood pressure), HIV protease inhibitors, certain oral antifungal drugs such as ketoconazole, specific antibiotics, or other drugs for high blood pressure or erectile dysfunction. Sildenafil* is also found in REVATIO®, used for treating pulmonary arterial hypertension (PAH).

A doctor or nurse practitioner will message you within 1 day

Sildenafil Citrate (generic Viagra®)* should not be taken with REVATIO® or other PAH treatments containing sildenafil* or PDE5 inhibitors like Adcirca (tadalafil). Always consult your medical provider for safe medication use. Please tell your medical provider about any prescription or over-the-counter medications you are taking as Sildenafil Citrate (generic Viagra®)* may interact with other drugs. * Sildenafil Citrate tablets (25mg, 50mg, & 100mg), Rx only, treats erectile dysfunction. Sildenafil Citrate may cause side effects, including headache, flushing, and indigestion. The items in your order maybe shipped from any of the above jurisdictions.

  • Online pharmacies may offer generic Viagra in various formats.
  • Some provide discreet packaging for privacy.
  • They often include detailed product information.
  • Price comparisons can lead to significant savings.
  • Use filters to find the best supplier options.
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The products are sourced from various countries as well as those listed above.

The Truth About Erectile Dysfunction: 7 Common Myths Debunked

* The product images are for 50mg viagra reference only. Generic equivalents may also be supplied by alternate manufacturers. CanadianPharmacyWorld.com offers Viagra (sildenafil) with a valid prescription from your doctor. We are a licensed online pharmacy that supplies brand Viagra and generic sildenafil at huge savings. Our goal is to provide safe and affordable medications to our customers from the comfort of their homes.

When to Re-Shop Your Price

Check out our featured drugs to buy Levitra For more information about our Online Canadian Pharmacy, please click on About us. The brand Viagra comes from New Zealand by Aspen, and Canada & Turkey by Viatris. Viagra is available in dosages of 25 mg, 50 mg, and 100 mg oral tablets, and 50 mg orodispersible film. Generic sildenafil is available in 25mg, 50 mg, and 100 mg oral tablets. Viagra (sildenafil) is a phosphodiesterase-5 (PDE5) inhibitor used to treat erectile dysfunction (ED) by increasing blood flow to the penis during sexual stimulation. Rest assured, we only affiliate with our authorized dispensaries that procure product through reliable sources.

Why choose Rex MD?

• Cardiovascular Health: History of heart attack, stroke, or life-threatening heart rhythm irregularities within the last six months. • Kidney Disease: Impaired renal function, which may require a lower starting dose (25 mg). • Priapism Risk: Blood cell disorders such as sickle cell anemia, multiple myeloma, or leukemia. It Takes Two: Are Modern Lifestyles Creating a Male Fertility Crisis? Can You Really Save by Buying Viagra, Cialis, & Levitra from a Canadian Pharmacy? Similar Drugs in the category of Erectile-Dysfunction-Drugs: Treat erectile dysfunction with an affordable FDA-approved medication that has the same active ingredient as “name brand” Viagra, but costs significantly less. Through Rex MD, a licensed healthcare provider can prescribe sildenafil or another ED treatment online, if appropriate.

User Feedback Preferences Reported Efficacy Common Side Effects Additional Comments
John D., USA Cheap prices, quick delivery Very effective Mild Headache Satisfied with service
Priya K., UK Discreet packaging, easy website Effective any time Flushing Would buy again
Ahmed R., Egypt Low-dose options preferred Good None reported Appreciates affordability
Maria L., Spain Fast shipping, authentic products Very good Dizziness occasionally Would recommend to friends

Plus, you’ll get your medication quickly and discreetly with free, rush shipping.

Shipping Policy:

If you would like to learn more about sildenafil citrate, please see the full prescription information here. You are encouraged to report negative side effects of prescription drugs to the FDA. ** Tadalafil (2.5mg, 5mg, 10mg, & 20mg), Rx only, treats erectile dysfunction. Tadalafil may cause side effects, including headache, indigestion, back pain, and muscle pain. If you would like to learn more about tadalafil, please see the full prescription information here.

How to take it

The information provided on this page is not a substitute for professional medical advice, diagnosis, or treatment. You should not rely upon the content provided here for specific medical advice. If you have any questions or concerns, please talk to your doctor. All product names, manufacturer or distributor names, logos, trademarks, and registered marks ("Product Marks") are the property of their owners and are for identification purposes only. Product Marks do not imply any affiliation, endorsement, connection, or sponsorship by their owner(s). The more affordable, generic version of Viagra Taken on an as-needed basis for satisfying sex Always take sildenafil as instructed by your healthcare provider. It’s typically taken about one hour before you plan to have sex.

Are there any Precautions and Drug Interactions for Viagra?

For ED, sildenafil is typically taken about one hour before sexual activity, but it can be taken anywhere from 30 minutes to 4 hours prior. For the fastest results, take it on an empty stomach; a high-fat meal may delay how quickly the medication starts to work. It is also marketed under the name Revatio for the treatment of pulmonary arterial hypertension (PAH). • Flushing (redness or warming of the face, neck, or chest) • Vision changes, which can include seeing a slight blue tinge to objects, blurred vision, or increased light sensitivity • Hypotension (low blood pressure), which may cause light-headedness or fainting Stop taking the medication and seek immediate medical help if you have any of the Serious Side Effects that may include: • Allergic reaction: Swelling of the face, lips, or throat. • Cardiovascular event: Chest pain, shortness of breath, or symptoms of a stroke.

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• Hearing loss: Sudden decrease or loss of hearing, often with ringing. • Priapism: A painful erection or one lasting longer than four hours. • Vision loss: Sudden loss of vision in one or both eyes. You should not take Viagra if you are allergic to Sildenafil or if you take other medications to treat pulmonary arterial hypertension. Do not take Viagra with a nitrate medication because it can cause a sudden or serious decrease in blood pressure. After about 30 minutes, its effects will kick in, and for up to four hours, you are able to get hard if you are sexually excited. If you take sildenafil after a high-fat meal, it may take longer for the medicine to start working.

  • FDA-approved generic Viagra guarantees drug safety.
  • It is manufactured by reputable pharmaceutical companies.
  • Authentic products are usually accompanied by proper labeling.
  • Beware of very low pricing that may suggest counterfeit.
  • Check the ingredients list for sildenafil citrate.
  • Confirm the origin country of the medication.
  • Purchase from trusted sources to ensure quality.

Potential side effects can include flushing, headache, nausea, dizziness, chest or arm pain, and, in rare cases, changes in vision or loss of sight. Seek emergency care right away if you have an erection that lasts longer than four hours or it becomes painful. Do not drink alcohol to excess (more than five drinks) while taking this medication. Prescription products require an online consultation with a provider who will determine if a prescription is appropriate.

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    Dr. Semm AG


    Admin +41 43 311 20 22
    E-Mail [email protected]
    Invoice inquiries [email protected]

    VAT number CHE-323.730.683
    Bank details Zürcher Kantonalbank
    IBAN CH90 0070 0110 0074 8545 1

    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