Renhe is the brand name, generic name tadalafil, 5mg 28 tablets price is about 200 yuan ~ 300 yuan / box, due to the influence of different regions, the price varies. Tadalafil specifications for 5mg * 28 tablets of the price by different regions and pharmacies, different sales platforms and other factors, the price fluctuations, the market price is generally about 200 yuan ~ 300 yuan / box, the price is for reference only. The specific selling price is subject to the local regular pharmaceutical institutions. Tadalafil can treat erectile dysfunction. Adverse effects of this product can be seen as headache, dyspepsia, flushing, nasal congestion, myalgia, back pain, myalgia, and so on. Tadalafil is contraindicated in people who are allergic to any of the ingredients in this product, patients who are taking any form of nitrates, guanylate cyclase stimulators, women, children and other people. It should be purchased and used under medical supervision.