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CGMP levels are kept in check by an enzyme called phosphodiesterase 5, or PDE5. Erectile dysfunction can occur when PDE5 breaks down cGMP faster than it can be produced. Urologists say their patients tend to report fewer side effects with Cialis than Viagra, and our January 2024 survey backs up this claim. Zero side effects were reported by nearly 83% of survey respondents taking Cialis or generic tadalafil, but only 28.5% of those taking Viagra or generic sildenafil reported no side effects.

But if you have heartburn that doesn’t go away, talk with your doctor. This could include dietary changes, such as avoiding foods that trigger heartburn, or a medication such as calcium carbonate (Tums). It’s unlikely that you’ll be asked to monitor your blood pressure while taking Cialis.

Headaches should usually go away after the first week of taking tadalafil. Talk to your doctor if they last longer than a week or are severe. If you are taking tadalafil for PAH, you should know that tadalafil controls PAH but does not cure it.

Or you can take Cialis® as needed at a higher dose, 30 minutes before you plan to have sex. The most common side effects are headache, upset stomach, back pain, muscle aches, stuffy or runny nose, flushing, and pain in leg or arm. Contact your care team right away if the erection lasts longer than 4 hours or if it becomes painful. This may be a sign of serious problem and must be treated right away to prevent permanent damage. If you notice any changes in your vision while taking this medication, call your care team as soon as possible. Stop using this medication and call your care team right away if you have a loss of sight in one or both eyes.

For more information, ask your healthcare provider or pharmacist. Call your healthcare provider or get help right away if you have any of the symptoms of an allergic reaction listed above. If you need emergency medical care for a heart problem, it will be important for your healthcare provider to know when you last took CIALIS.

In general, Cialis is more affordable than other ED medications like Viagra. Despite the quick sign-up process, the questionnaire is still comprehensive. Hims asks about your medical history, medications or supplements you may be taking, your history of smoking, and if you’ve used any recreational drugs within the last six months. These questions are necessary for providers to ask before patients start Cialis, or any PDE5 inhibitor, because the answers may affect your treatment plan. Unlike the other three PDE-5 inhibitors, vardenafil Cialis can be taken once a day, every day as a low dose (usually 2.5-5 mg/day depending on response and tolerability).

Common side effects of Cialis include headaches, flushing, or a stuffy or runny nose, reflecting the effects of the drug on the blood vessels of the head and neck. Cialis, like all other PDE5 inhibitors, affects blood vessels and smooth muscle in other parts of the body, not just the penis