Avanafil is known by the trademark names Stendra and Spedra.

Avanafil (Stendra) is an efficient drug used in the erectile dysfunction treatment of men of all ages. The medicine, sold and marketed in the USA under a brand name Stendra, is a phosphodiesterase inhibitor.

Direction and dosage

The dosage of Stendra may vary due to innodividual indications. The minimum effective dose that is recommended, nevertheless, is a 100 mg pill taken right before the forthcoming sexual activity. Stendra should not be taken more often than once per 24 hours.


Please consult your physician before using Stendra for the erectile dysfunction treatment. The etiology of the erectile problems may be of varied type, with some being less exposed to the effect of Stendra. Please visit your physician to examine the state of your cardiovascular system to prevent possible side effects and maximize the efficiency of the treatment.


Avanafil (Stendra) is not compatible with all kinds of organic nitrates due to the increase of hypotension risks. Please do not take nitrates earlier than 12 hours after the last use of avanafil. In case any hypersensitivity to Stendra occurs, please stop administration of the drug immediately and consult your doctor.

Possible adverse effects

Stendra is not likely to cause side effects. However, about 5% of users experience headache and/or flushing. Less common adverse effects of avanafil include gastrointestinal issues, back pain and nasal congestion. To avoid these effects, please consult your physician to adjust the dosage to your innodividual characteristics and needs.

Interactions with other drugs

Do not take avanafil (Stendra) with alcohol, organic nitrates, antihypertensives and alpha-blockers, as the combination of the abovelisted drugs may cause hypotension.

Missed dose

No negative therapeutic effects occur in case a patient misses the dose of avanafil. Stendra causes no addiction and produces single-time effect only.


Avoid the overdose of Stendra, as this may lead to several side effects, including fatigue, drowsiness, dizziness, sudden flush, headache, back pain and/or stronger adverse effects listed in the corresponding section. In case of overdose, please contact your physician immediately for special instructions!


Stendra should be kept at room temperature in a dry and dark place out of reach of children.


The information provided is of general character and does not include neither all cases of prescription, nor possible adverse effects, and thus can not and should not be used for self-diagnosis and self-treatment.

Please contact your doctor or healthcare advisor for more specific instructions regarding the usage of Stendra in any particular case. We reject responsibility for the reliability of this information, any mistakes it may contain, any damage resulting from the unauthorized use of the medicine described or self-treatment.
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