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Cialis vs. Viagra: Which One Is Right for You?

Published 12/09/2024

Updated 04/30/2025

If you're experiencing erectile dysfunction (ED), you're not alone. Millions of men in the Philippines and around the world deal with this common condition, and two of the most widely known treatments are Cialis® (tadalafil) and Viagra® (sildenafil). While both medications are effective, they work in slightly different ways—and choosing the right one depends on your lifestyle, goals, and how your body responds to treatment.

This guide compares the two options side by side to help you decide which ED treatment best fits your needs. Whether you're looking for on-demand support or more flexibility, understanding how each medication works can lead to better results—and better confidence.

How They Work

Both Cialis and Viagra belong to a class of medications called PDE5 inhibitors. They work by increasing blood flow to the penis during sexual arousal, which helps you get and maintain an erection. However, they differ in how long they last and how quickly they take effect.

Viagra® (Sildenafil)

Time to Effect: 30 to 60 minutes
Duration: Around 4–6 hours
Best For: Occasional use, planned sexual activity

Cialis® (Tadalafil)

Time to Effect: Around 30 minutes
Duration: Up to 36 hours
Best For: More spontaneous activity or daily use

Viagra is often taken about an hour before sexual activity and works best on an empty stomach. Cialis, on the other hand, is less affected by food and can be taken either as needed or as a daily low-dose tablet. This makes Cialis a more flexible option for men who prefer spontaneity.

Key Differences Between Cialis and Viagra

Feature	Viagra (Sildenafil)	Cialis (Tadalafil)
Onset of Action	30–60 minutes	~30 minutes
Duration	4–6 hours	Up to 36 hours
Food Interactions	May be less effective after a heavy meal	Less affected by food
Dosing Options	On-demand only	On-demand or daily
Frequency	Taken before sex	Can be taken daily or as needed

Real-World Scenarios: Which One Fits Your Lifestyle?

To decide which medication might be right for you, think about how and when you expect to use it. If you plan sexual activity and want a shorter acting medication, Viagra is reliable and effective. If you value spontaneity or want the option of not having to time your dose, Cialis offers more freedom.

Men who use tadalafil more regularly have reported increased confidence and a reduced sense of pressure, as found in a 2006 study in the Journal of Sexual Medicine. The ability to be intimate without scheduling can make a significant difference in how you experience sex and connection.

Side Effects to Consider

Both medications are generally well-tolerated, but side effects can occur. These typically include headache, flushing, nasal congestion, dizziness, upset stomach, and muscle or back pain (more commonly with Cialis). Viagra users may also experience temporary visual changes.

Some men in the Philippines report better tolerability with tadalafil due to fewer vision-related complaints. Side effects vary from person to person, but most are mild and short-lived.

Affordability and Access in the Philippines

Generic versions of both medications are now available locally. For men looking for a lower-cost option for occasional use, sildenafil is often more accessible. For those considering longer-term or spontaneous use, tadalafil can be more practical in the long run.

You can compare options on our generic Viagra and generic Cialis product pages, where we outline what’s in stock and how it can be delivered discreetly.

What to Watch Out For

These medications are not suitable for everyone. Men taking nitrates for heart issues or those with certain kidney or liver conditions should avoid PDE5 inhibitors. It’s essential to undergo proper screening before starting any ED treatment.

Through our doctor-guided sexual health process, we make sure that every treatment recommendation takes into account your unique health background and goals.

Why Some Doctors Recommend Cialis in the Philippines

Tadalafil’s longer duration and food flexibility make it a practical choice for many Filipino men with unpredictable schedules or multiple daily obligations. Meanwhile, sildenafil is still favored by those who want a shorter-acting but powerful solution that kicks in quickly.

You can get a more detailed look at how men in the Philippines are choosing between these options in our article comparing sildenafil and tadalafil as ED treatments.

When These Medications Don’t Work

It’s possible that neither treatment works right away, especially if there are psychological or hormonal factors involved. The National Institutes of Health notes that PDE5 inhibitors require sexual stimulation to be effective, and stress or performance anxiety can interfere.

Lifestyle adjustments, hormone assessments, and open communication with your partner may help alongside prescription treatment. Some men also explore alternative options like natural ED remedies, especially when used as part of a holistic approach.

How to Start Safely

If you're considering ED treatment, start by filling out our short health consent form. A licensed Filipino doctor will review your health profile and recommend the treatment that best matches your needs. All medications are delivered in discreet packaging and come with ongoing support from the Andyou team.

Whether you're dealing with ED for the first time or looking to switch treatments, you're not alone—and the right solution may be closer than you think.

Final Thoughts

Cialis and Viagra both offer proven results. One provides longer coverage with more flexibility; the other delivers faster results for specific moments. The choice depends on your goals, schedule, and how your body responds.

By learning more about each option and working with a medical provider who understands the needs of men in the Philippines, you can take a confident step toward improving your sexual health.