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Stendra interactions are not numerous but it’s very important.to make sure that you are not taking some incompatible drugs to prevent side effects.

Most dangerous Stendra interactions:

  • amlodipine;
  • lisinopril;
  • ciprofloxacin;
  • tamsulosin

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Stendra characteristic

Stendra Drug Interactions

Metabolism and clearance of the drug from the body can be reduced in case of Avanafil interactions with other drugs that increase the concentration of drug in blood and increase its potential toxicity. Therefore it is strictly prohibited to use this drug in combination with drugs listed below:

  • ketoconazole;
  • duloxetine;
  • cetirizine;
  • itraconazole;
  • simvastatin;
  • amlodipine;
  • ibuprofen;
  • indinavir;
  • melatonin;
  • tadalafil;
  • sildenafil;
  • cholecalciferol;
  • ritonavir;
  • bupropion;
  • atazanavir;
  • rosuvastatin;
  • ciprofloxacin;
  • magnesium oxide;
  • metformin;
  • finasteride;
  • omega-3 polyunsaturated fatty acids;
  • aspirin;
  • clarithromycin;
  • testosterone;
  • nelfinavir;
  • lisinopril;
  • tamsulosin;
  • saquinavir;
  • telithromycin;
  • grapefruit

It is recommended not to exceed the daily dose of the drug in combination with the following drugs as they increase amount of avanafil in blood:

  • erythromycin;
  • amprenavir;
  • fluconazole;
  • diltiazem.

Stendra disease interactions

There are some disease interactions with Avanafil:

  • cardiovascular disease;
  • renal dysfunction;
  • liver disease;
  • retinitis pigmentosa;
  • seizure disorders;
  • priapism;
  • alcoholism;
  • hearing loss

Joint reception of generic Avana and nitrates (nitroglycerin, etc.) increases heart rate and leads to a sharp decrease in blood pressure. Also, patients who take these drugs for cardiac angina may experience exacerbated state of health up to myocardial infarction and death, so Stendra (Avanafil) should not be used with nitrates. If there is a need to use nitrates in patients who have already taken the pill, it must be at least 12 hours after the last drug intake.

For the same reason, it is forbidden to use this drug and poppers at the same time, which are composed of alkyl nitrites, which have vasodilator effect (dilate blood vessels). Canadian Health&Care Mall reminds that simultaneous administration of these drugs can lead to sudden hypotension or death.

Avanafil also enhances alpha-blockers effect, those who are taking these drugs should receive their stable dose before taking Avanafil. In such situations, it is administered in a minimum dose that is 50 mg. If the patient has already taken Stendra and there is a need to take alpha-blockers, these drugs are also prescribed in minimal dosage.

Interaction of Stendra and alcohol may cause a decrease in blood pressure, which is accompanied by dizziness, headaches, heart palpitations, so it is recommended to refrain from drinking alcohol, if necessary to use of this drug.

Interaction with other inhibitors of PDE-5 – avanafil is not recommended to combine with the same drugs used to treat erectile dysfunction – Viagra, Levitra and others.