Viagra is not for use by females. Box , Mission, KS If your pharmacy does not participate, you may be able to submit a request for a rebate in connection with this Savings Offer. You are encouraged to report adverse events related to Viatris products by calling U. Side Effects Are Minimal. Other uses for this medicine This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information. The most common side effects of VIAGRA: headache; flushing; upset stomach; abnormal vision, such as changes in color vision such as having a blue color tinge and blurred vision; stuffy or runny nose; back pain; muscle pain; nausea; dizziness; rash.7 Over The Counter Medications for ED. Depending on the cause of erectile dysfunction, the most effective treatment can vary. Typically, the best way to treat erectile dysfunction is to address the underlying cause. Second is by using oral medications like Viagra® (sildenafil), Cialis® (tadalafil), or Levitra® (vardenafil), all of . Viagra alternatives range from medical options like Cialis and Levitra to natural methods like acupuncture and even therapy. We break them all down here. Share on Pinterest. Yes, penile pumps (also known as ED pumps) are over-the-counter devices that work to treat erectile dysfunction (ED), similar to Viagra. Viagra (sildenafil) is usually the first .