CIALIS should be used with caution in patients who have conditions that might predispose them to priapism such as sickle cell anemia, multiple myeloma, or leukemia , or in patients with anatomical deformation of the penis such as angulation, cavernosal fibrosis, or Peyronie’s disease. How long does it take for Cialis to peak? The typicaldose of Viagra is 50 mg. However, it stays in your body for up to 36 hours and can be taken every 24 hours, so it can work for you constantly. Viagra vs. Do not use in larger or smaller amounts or for longer than recommended.Prescription needed: yes Accepts insurance: no Dosage: 5 mg SHOP NOW AT HIMS Healthline ‘s review Hims is a telehealth prescription company that ships a daily dosage of prescription medication. To find out what the cost of Cialis will be for you, talk with your doctor, pharmacist, or insurance provider. Note: If you have insurance, your insurance company may require prior. The cost of the medication is from $ per month for Cialis and from $40 per month for.