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Sildenafil is in a class of medications called phosphodiesterase (PDE) inhibitors. Sildenafil treats erectile dysfunction by increasing blood flow to the penis during sexual stimulation. Sildenafil treats PAH by relaxing the blood vessels in the lungs to allow blood to flow easily.

However, some men may find they have a stronger reaction when taking one of these medications. You can find out more about how Cialis and Viagra are different in our Cialis vs Viagra article. Alprostadil is also available for administration directly into the urethra under the brand name Muse. The dose ranges from 125 to 250 mcg and may be increased or decreased until the patient achieves a sufficient erection for sexual intercourse. These alprostadil formulations can cause localized side effects, in comparison to PDE5 inhibitors, including penile pain, and specifically with Muse urethral pain may be experienced. Alprostadil should be taken instead of, not in addition to, PDE5 inhibitors.

In a clinical trial that compared tadalafil 5 mg coadministered with finasteride 5 mg to placebo plus finasteride 5 mg in the relief of BPH symptoms, no new adverse reactions were identified. Preclinical studies showed an additive systemic blood pressure lowering effect when PDE5 inhibitors were combined with riociguat. In clinical studies, riociguat has been shown to augment the hypotensive effects of PDE5 inhibitors.

The recommended starting dose for tadalafil is 10mg taken once per day, as needed. A clinician will review your online consultation and determine if this is appropriate for you. If you feel the effect of tadalafil is too strong or too weak, feel free to contact us and we can advise you on adjusting your dosage. If your prescription is approved by a Numan clinician&nbsp