Cialis vs Viagra

Cialis vs. Viagra: Which Is Better? Side Effects, Differences

Introduction of Cialis Vs. Viagra

Viagra (sildenafil) and Cialis (tadalafil) both are phosphodiesterase-5 (PDE5) inhibitors used to treat erectile dysfunction or impotence. Another name of tadalafil is Adcirca. 

Both are oral medication used for treating the inability to obtain or maintain a penile erection. When erectile dysfunction becomes a problem, many men start to take these oral ED medications. 

They often help in recognizing the issue. Both drugs work by blocking phosphodiesterase type 5 enzymes. They also boost nitric oxide in your body. This action stimulates the muscles in your penis to relax. These relaxed muscles allow blood to flow freely so that when you are excited, you can get an erection. It also helps you in maintaining the erection long enough to have sex.

Comparison Between Viagra Vs. Cialis

Brand name Viagra Cialis
What is the generic name of Cialis and Viagra? sildenafil tadalafil
Is a generic version available? Yes Yes
What strengths does it come in? 25 mg, 50 mg, 100 mg 2.5 mg, 5 mg, 10 mg, 20 mg
What form does it come in? oral tablet oral tablet
When do I take it? 30-60 minutes before sex 30 minutes before sex
What’s the typical dosage? 50 mg 10 mg (when used as needed); 2.5 mg (when used daily)
How long does it work? 4 hours up to 36 hours
How do I store it? Around room temperature, between 68°F to 77°F (20°C to 25°C) At 25°C (77°F)

Side effects of Cialis Vs. Viagra

Cialis

If you are taking Cialis and you have chest pain, dizziness, or nausea during sex, seek medical help immediately as you may have a life-threatening situation.

The most common side effects of tadalafil are:

  • facial flushing (reddening),
  • headaches,
  • stomach upset,
  • diarrhea,
  • flu-like symptoms, and

Tadalafil also may cause:

  • low blood pressure,
  • blurred vision,
  • changes in color vision, and
  • abnormal ejaculation.
  • Priapism (an erection that stays for more than four hours that may damage the penis)

Viagra

Similar to Cialis, If you are taking Viagra and you have chest pain, dizziness or nausea during sex, seek medical help immediately as you may have a life-threatening situation.

Approx 15% of people taking Viagra experience side effects of this medication. 

The most common side effects are:

  • facial flushing (1 in 10),
  • headaches (1 in 6),
  • stomach pain,
  • nasal congestion,
  • nausea,
  • dizziness,
  • rash,
  • urinary tract infections (UTIs)
  • diarrhea, and
  • an inability to differentiate the colors (between blue and green).
  • Priapism (an erection that stays for more than four hours that can damage the penis)

Drug interactions Cialis Vs. Viagra

Each drug comes with the risk of interactions with other drugs. Since PDE5 inhibitors work on the body in similar ways so Viagra and Cialis lead to similar interactions.

Both drugs interact with:

  • nitrates, such as nitroglycerin (Nitrostat) and isosorbide mononitrate (Monoket) 
  • certain blood pressure drugs, like calcium channel blockers
  • alpha-blockers, which can treat an enlarged prostate or high blood pressure
  • certain pulmonary hypertension drugs, like riociguat (Adempas)
  • protease inhibitors, a class of HIV drugs
  • antifungal drugs, like ketoconazole and itraconazole (Onmel, Sporanox)
  • antibacterial drugs, like clarithromycin (Biaxin)

Precautions Cialis Vs. Viagra

Drinking excessive alcohol with both of these drugs should be avoided, and you should not combine different erectile dysfunction drugs.

Cialis may be less effective if used with antiseizure medications like phenobarbital and carbamazepine (Tegretol). 

It is best to consult your doctor if you want to know what is best and safe for you from Viagra and Cialis. 

In some cases, using both medications may mean you should completely avoid PDE5 inhibitors. In other cases, adjusting your dosage of both medications may reduce the possibility of interactions with other drugs while using PDE5 inhibitors.

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