Taken daily

Cialis®

Your safety is our first priority. Learn more about key medication details, side effects, and other important info about your treatment at the link below.

Prescribing information

Common Side effects

  • Headache

  • Upset stomach

  • Stuffy nose

Important safety information
Do not take Cialis® if you:

  • take any medicines called nitrates, often prescribed for chest pain, or guanylate cyclase stimulators like Adempas® (riociguat) for pulmonary hypertension. Your blood pressure could drop to an unsafe level

  • are allergic to Cialis® or any of the ingredients in Cialis®

Do not combine Cialis® with other erectile dysfunction medications unless your healthcare provider has specifically instructed you that you can take your new ED medication at the same time that you are taking Cialis®.  Combining ED medications can increase the risk of side effects such as low blood pressure, dizziness, or prolonged erections and should only be done under medical supervision.

Discuss your health with your doctor to ensure that you are healthy enough for sex. If you experience chest pain, dizziness, or nausea during sex, seek immediate medical attention.

Cialis® can cause serious side effects. Rarely reported side effects include:

  • an erection that will not go away (priapism). If you have an erection that lasts more than 4 hours, get medical help right away. If it is not treated right away, priapism can permanently damage your penis

  • sudden vision loss in one or both eyes. Sudden vision loss in one or both eyes can be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy (NAION). Stop taking Cialis® and call your healthcare provider right away if you have any sudden vision loss

  • sudden hearing decrease or hearing loss. Some people may also have ringing in their ears (tinnitus) or dizziness. If you have these symptoms, stop taking Cialis® and contact a doctor right away

Before you take Cialis®, tell your healthcare provider if you:

  • have or have had heart problems such as a heart attack, irregular heartbeat, angina, chest pain, narrowing of the aortic valve, or heart failure

  • have taken a nitrate medication in the last 48 hours

  • have had heart surgery within the last 6 months

  • have pulmonary hypertension

  • have had a stroke

  • have low blood pressure, or high blood pressure that is not controlled

  • have a deformed penis shape

  • have had an erection that lasted for more than 4 hours

  • have problems with your blood cells such as sickle cell anemia, multiple myeloma, or leukemia

  • have retinitis pigmentosa, a rare genetic (runs in families) eye disease

  • have ever had severe vision loss, including an eye problem called NAION

  • have bleeding problems

  • have or have had stomach ulcers

  • have liver problems

  • have kidney problems or having kidney dialysis,

  • have any other medical conditions

Cialis® can cause small declines in your blood pressure that may cause dizziness, lightheadedness or even fainting in people sensitive to blood pressure changes. Be sure that you are well-hydrated and in a safe, controlled environment the first time that you take Cialis®.

Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.

Cialis® may affect the way other medicines work, and other medicines may affect the way Cialis® works, causing side effects. Especially tell your healthcare provider if you take any of the following:

  • medicines called nitrates

  • medicines called guanylate cyclase stimulators such as Adempas (riociguat)

  • medicines called alpha-blockers such as Hytrin® (terazosin HCl), Flomax® (tamsulosin HCl), Cardura® (doxazosin mesylate), Minipress® (prazosin HCl), Uroxatral® (alfuzosin HCl), Jalyn® (dutasteride and tamsulosin HCl), or Rapaflo® (silodosin). Alpha-blockers are sometimes prescribed for prostate problems or high blood pressure. In some patients, the use of Cialis® with alpha-blockers can lead to a drop in blood pressure or to fainting

  • medicines called HIV protease inhibitors, such as ritonavir (Norvir®), indinavir sulfate (Crixivan®), saquinavir (Fortovase® or Invirase®), atazanavir sulfate (Reyataz®), or cobicistat (Tybost®)

  • some types of oral antifungal medicines, such as ketoconazole (Nizoral®) and itraconazole (Sporanox®)

  • some types of antibiotics, such as clarithromycin (Biaxin®, telithromycin (Ketek®), or erythromycin

  • other medicines that treat high blood pressure

  • other medicines or treatments for ED, unless your healthcare provider has specifically instructed you that you can take your new ED medication at the same time that you are taking Cialis®.  Combining ED medications can increase the risk of side effects such as low blood pressure, dizziness, or prolonged erections and should only be done under medical supervision.

  • Cialis® should not be used with Revatio® or with other PAH treatments containing PDE5 inhibitors.

  • Cialis® does not protect against sexually transmitted diseases, including HIV.

The most common side effects of Cialis®; headache, flushing, upset stomach, abnormal vision, such as changes in color vision ( like having a blue color tinge) and blurred vision, stuffy or runny nose, back pain, muscle pain, nausea, dizziness, and rash.

Uncommon adverse events (<2%) have been reported in controlled clinical trials of tadalafil for once daily use or use as needed. A causal relationship of these events to tadalafil use is uncertain. Body as a whole — asthenia, face edema, fatigue, pain Cardiovascular — angina pectoris, chest pain, hypotension, myocardial infarction, postural hypotension, palpitations, syncope, tachycardia Digestive — abnormal liver function tests, dry mouth, dysphagia, esophagitis, gastritis, GGTP increased, loose stools, nausea, upper abdominal pain, vomiting Musculoskeletal — arthralgia, neck pain Nervous — dizziness, hypesthesia, insomnia, paresthesia, somnolence, vertigo Respiratory — dyspnea, epistaxis, pharyngitis Skin and Appendages — pruritus, rash, sweating Ophthalmologic — blurred vision, changes in color vision, conjunctivitis (including conjunctival hyperemia), eye pain, lacrimation increase, swelling of eyelids Otologic — sudden decrease or loss of hearing, tinnitus Urogenital — erection increased, spontaneous penile erection