

antifungal drugs, such as ketoconazole and itraconazole (Onmel, Sporanox).protease inhibitors, a class of HIV medications.certain pulmonary hypertension drugs, such as riociguat (Adempas).alpha-blockers, which can treat high blood pressure or an enlarged prostate.certain blood pressure drugs, such as calcium channel blockers.nitrates, such as isosorbide mononitrate (Monoket) and nitroglycerin (Nitrostat).Since PDE5 inhibitors work on the body in similar ways, Viagra, Cialis, Levitra, and Stendra lead to similar interactions. Unless prescribed by a doctor, online ED medications are not FDA approved and may contain ineffective or harmful ingredients.Įach drug comes with the risk of drug interactions.
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Make sure to talk with your doctor or a healthcare professional before purchasing any ED medications, especially if you are buying them online. Generic versions of Viagra, Cialis, and Levitra can cost half as much as their brand-name counterparts, if not less. The exact price you pay for any drug will depend on your insurance plan, if you have one, and your pharmacy. However, if you have certain medical conditions, your health plan may pay for the drug with prior authorization. If you have health insurance, keep in mind that most insurance companies will not cover the cost of your prescription. Usually, you’ll go to the pharmacy to pick up your Viagra, Cialis, Levitra, or Stendra prescription. You can get a prescription through your doctor or online through telehealth companies. In order to get any ED medication, you’ll need a prescription. The length of time a drug stays in your system may be important if you’re taking other medications.ĭo not take any of these medications more than once in a 24-hour period. Cialis is the exception, as it remains in your bloodstream for up to 36 hours. Most of them stay in your bloodstream for about 4 to 5 hours. However, taking Viagra, Levitra, or Stendra after eating a high fat meal does slow the rate of absorption. You can take all of them with or without food. These medications are available in a variety of doses, ranging from 2.5 mg to 200 mg.

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