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Cialis was administered to over 4000 subjects (aged 19
to 86 years) during clinical trials worldwide. Over 230
patients were treated for longer than one year and over
720 patients were treated for over 6 months. In controlled
phase 2/3 clinical trials, the discontinuation rate due
to Cialis
side effects (1.7%) was not significantly different from
placebo-treated patients (1.1%). In these studies, the
side effects reported with Cialis were generally mild
or moderate, transient, and decreased with continued dosing.
Like all prescription medications, Cialis may produce some
side effects. These side effects are generally mild
to moderate in nature, and usually go away within a
few hours of use.
The following Cialis side effects have been reported:
Headache
Back pain : In clinical trials, Back pain or myalgia was reported to occur 12 to 24 hours after dosing and typically resolved within 48 hours. This side effect was characterized by discomfort in the diffuse bilateral lumbar, gluteal, thigh, or thoracolumbar muscular discomfort. In general, the pain was reported as mild or moderate in severity and resolved without medical treatment, but severe back pain was reported infrequently (<5% of all reports).
Colour Vision: Changes
in colour vision is rare. Across all studies, (<0.1%)
of patients experienced it. .
Effects on the Digestive System : Effects include diarrhea, dry mouth, dysphagia, esophagitis , abnormal liver, loose stools, nausea, upper abdominal pain, vomiting and gastroesophageal reflux.
Nervous : Dizziness, hypesthesia, insomnia, paresthesia, somnolence and vertigo.
Cardiovascular : Angina pectoris, chest pain, hypotension, hypertension, myocardial infarction, and palpitations.
Musculoskeletal: Arthralgia, neck pain.
Respiratory: Dyspnea, epistaxis and pharyngitis.
Nasal congestion
Flushing
*There may be additional unreported
Cialis side effects.
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