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How Do ED Medications Like Sildenafil and Tadalafil Work in the Philippines?

Written by Maria Maureen Ablen

Published 03/18/2025

Updated 03/25/2025

Erectile dysfunction (ED) is more common than most men think. It’s a condition that can affect confidence, relationships, and overall well-being. Fortunately, medications like Sildenafil (Viagra) and Tadalafil (Cialis) offer effective solutions, helping men regain sexual performance and improve their quality of life.

But how exactly do these medications work? What makes them different? And most importantly, how can men in the Philippines access them safely? If you’re considering ED treatment, here’s what you need to know about Sildenafil and Tadalafil, how they compare, and what to expect when using them.

How ED Medications Work

Both Sildenafil and Tadalafil belong to a class of drugs called PDE5 inhibitors, which improve blood flow to the penis by relaxing blood vessels. This makes it easier to get and maintain an erection when sexually aroused. It’s important to note that these medications don’t create instant erections—they enhance the body’s natural response to sexual stimulation.

Here’s how they work in simple terms:

You take the medication before sexual activity.
PDE5, an enzyme that restricts blood flow, is blocked.
Blood vessels in the penis relax and expand.
When aroused, more blood flows in, allowing for a firm and sustained erection.
After sexual activity, normal blood flow returns.

ED medications do not increase libido or sexual desire. If arousal isn’t present, the medication won’t be effective.

Sildenafil vs. Tadalafil: What’s the Difference?

While both medications work in similar ways, there are key differences in how long they last, how quickly they take effect, and how they fit into different lifestyles.

How Fast They Work

Sildenafil (Viagra): Takes effect within 30 to 60 minutes and should be taken on an empty stomach for best results.
Tadalafil (Cialis): Takes effect within 15 to 45 minutes and can be taken with or without food.

How Long They Last

Sildenafil: Lasts for 4 to 6 hours.
Tadalafil: Can last for up to 36 hours, making it a more flexible option.

Daily Use vs. As-Needed

Sildenafil: Taken as needed before sexual activity.
Tadalafil: Available in a lower daily dose, allowing for more spontaneity.

Side Effects

Both medications share similar side effects, including:

Headache
Flushing
Nasal congestion
Upset stomach
Dizziness

Tadalafil is more likely to cause muscle aches and back pain, while Sildenafil can sometimes cause temporary vision changes, such as a blue tint to vision.

Where to Buy ED Medications in the Philippines

Sildenafil and Tadalafil are available in the Philippines with a prescription. These medications can be purchased through licensed pharmacies, hospitals, and telemedicine platforms.

Pharmacies and Clinics

Mercury Drug, Watsons, and Southstar Drug carry both brand-name and generic versions.
Some private clinics offer ED consultations and prescriptions.

Online Consultations

Several telemedicine services allow men to consult with a doctor online and receive a prescription without visiting a clinic.
Some services offer discreet delivery of ED medication.

Avoiding Counterfeit Medications

It’s important to purchase ED medications from authorized sellers. Counterfeit Sildenafil and Tadalafil are widely available online and can be ineffective or even dangerous. If a product seems too cheap or doesn’t require a prescription, it’s likely not genuine.

Who Should and Shouldn’t Use ED Medications?

Who Can Benefit from Sildenafil and Tadalafil?

Men who consistently struggle to achieve or maintain an erection.
Those looking for a reliable, doctor-approved way to improve sexual performance.
Men with mild to moderate ED who want a safe and effective treatment option.

Who Should Avoid These Medications?

Men taking nitrate medications for heart disease, as the combination can cause a dangerous drop in blood pressure.
Those with severe heart conditions, liver disease, or low blood pressure.
Men who have experienced serious side effects from ED medications in the past.

If you’re unsure whether ED medication is right for you, consult a doctor first.

How to Use ED Medications for Best Results

To get the most out of Sildenafil or Tadalafil, follow these guidelines:

1. Take the Right Dosage

Sildenafil is typically prescribed in 25mg, 50mg, or 100mg doses.
Tadalafil is available in 2.5mg, 5mg, 10mg, or 20mg doses.
Always follow the recommended dose from your doctor.

2. Time It Correctly

Sildenafil should be taken 30-60 minutes before sex and on an empty stomach for best absorption.
Tadalafil can be taken 15-45 minutes before sex and works with or without food.

3. Avoid Alcohol and Heavy Meals

Drinking excessive alcohol can reduce the effectiveness of ED medications.
Heavy, fatty meals can slow down Sildenafil absorption.

4. Be Patient and Give It Time

Not everyone sees results instantly. Some men need to try different doses or take the medication several times before noticing improvements.
If the first dose doesn’t work, consult your doctor to adjust your prescription.

Choosing the Right ED Medication for You

The best medication depends on your lifestyle and how often you need it.

Choose Sildenafil if: You want a medication that works quickly and lasts for a few hours.
Choose Tadalafil if: You prefer a longer-lasting effect or a daily low-dose option for more spontaneous intimacy.

Both options are effective, and many men experiment with both to find what works best.

Final Thoughts

ED medications like Sildenafil and Tadalafil have helped millions of men regain confidence and improve their sex lives. With safe and legal options available in the Philippines, there’s no reason to let ED go untreated. The key is to choose the right medication, follow proper usage guidelines, and consult with a doctor for the best results.

Looking for a trusted source for ED treatments? andyou.ph offers science-backed solutions designed for Filipino men, providing expert guidance and access to safe, effective treatments.

Maria Maureen Ablen

Dr. Maria Maureen Ablen is a board-certified medical professional with a strong background in clinical care, healthcare innovation, and academic research. She is dedicated to advancing health and wellness through evidence-based practice and compassionate care.