have liver problems is there a generic for levitra Available pharmacodynamic/toxicological data in animals have shown excretion of tadalafil in milk. A risk to the suckling child cannot be excluded. CIALIS should not be used during breast feeding.Cardiovascular [see Warnings and Precautions (5.1)]
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Caution is advised when PDE5 inhibitors are co-administered with alpha-blockers. PDE5 inhibitors, including Viagra, and alpha-adrenergic blocking agents are both vasodilators with blood pressure lowering effects. When vasodilators are used in combination, an additive effect on blood pressure may occur. In some patients, concomitant use of these two drug classes can lower blood pressure significantly [see Drug Interactions (7.2) and Clinical Pharmacology (12.2)] leading to symptomatic hypotension (e.g., dizziness, lightheadedness, fainting).Viagra is supplied as blue, film-coated, rounded-diamond-shaped tablets containing sildenafil citrate equivalent to 25 mg, 50 mg, or 100 mg of sildenafil. Tablets are debossed with PFIZER on one side and VGR25, VGR50 or VGR100 on the other to indicate the dosage strengths. viagra prescription online Study Dcroscarmellose sodium CIALISurinary symptoms associated with a common condition called benign prostatic hyperplasia. This is when the prostate gland gets bigger with age. Symptoms include difficulty in starting to pass urine, a feeling of not completely emptying the bladder and a more frequent need to pass urine even at night. CIALIS improves blood flow to, and relaxes the muscles of, the prostate and bladder which may reduce symptoms of benign prostatic hyperplasia.
Adults: The usual dosage is 50 milligrams (mg) taken as needed 1 hour before sexual activity. Your doctor may increase the dose to 100 mg or decrease it to 25 mg. viagra information Uncommon (0.1% to 1%): Penile hemorrhage, hematospermia
Hepatic ImpairmentAnimal Toxicology and/or Pharmacology
viagra cheap Tell your healthcare provider about all the medicines you take, especially: medicines called "nitrates" which are often prescribed for chest pain medicines called guanylate cyclase stimulators, such as riociguat (Adempas?), used to treat pulmonary arterial hypertension and chronic-thromboembolic hypertension alpha-blockers often prescribed for prostate problems blood pressure medications medicines for HIV or some types of oral antifungal medications some types of antibiotics such as clarithromycin, telithromycin, erythromycin (several brand names exist, please contact your healthcare provider to determine if you are taking this medicine) other medicines or treatments for erectile dysfunction (ED) CIALIS is also marketed as ADCIRCA for the treatment of pulmonary arterial hypertension. Do not take both CIALIS and ADCIRCA. Do not take sildenafil citrate (Revatio?)* with CIALIS.The recommended dose of Viagra is 25-100 mg taken 30 minutes to 4 hours before sexual activity. Viagra increases the effects of blood pressure lowering medications. It also increases the blood pressure lowering effects of nitrates (for example, isosorbide dinitrate) that are used primarily for treating angina. Patients taking nitrates should not receive Viagra. Viagra should not be combined with Revatio or other PDE5 inhibitors (for example, Levitra [vardenafil], Cialis [tadalafil]). Tagamet (cimetidine), erythromycin, ketoconazole, Sporanox (itraconazole), and Posicor (mibefradil) can cause marked increases in the amount of Viagra in the body. Patients taking these medications should be observed carefully if Viagra is used. Store Cialis at room temperature between 59° and 86°F (15° and 30°C).Dose adjustments are not required in elderly patients.
Levitra demonstrated a clinically meaningful and statistically significant increase in the overall per-patient rate of maintenance of erection to successful intercourse (SEP3) (37% on 10 mg, 34% on 20 mg Levitra compared to 10% on placebo; p<0.0001).Take Viagra exactly as your healthcare provider tells you to take it.
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