Erectile Dysfunction

The recommended dose is a 100 mg tablet, as needed.

You should not take Spedra more than once a day. 

You can staring by taking the low dose of 50mg and increase according to response and tolerability. 

• If you are allergic to avanafil or any of the other ingredients of this medicine

• If you are taking “nitrate” medicines for chest pain (angina), such as amyl nitrite or glyceryl trinitrate. Spedra can increase the effects of these medicines and severely lower your blood pressure

• If you are taking medicines for HIV or AIDS such as ritonavir, indinavir, saquinavir, nelfinavir or atazanavir

• If you are taking medicines for fungal infections such as ketoconazole, itraconazole or voriconazole or certain antibiotics for bacterial infections, such as clarithromycin or telithromycin

• If you have a serious cardiac problem

• If you have had a stroke or heart attack in the last 6 months

• If you have low blood pressure or high blood pressure not controlled by medicines

• If you have chest pain (angina) or you get chest pain during sexual intercourse

• If you have a serious liver or kidney problem

• If you have loss of vision in one eye due to not enough blood getting to your eye (non-arteritic ischemic optic neuropathy [NAION])

• If certain serious eye problems run in your family (such as retinitis pigmentosa).

• If you are taking riociguat. This medicine is used to treat pulmonary arterial hypertension (i.e., high blood pressure in the lungs) and chronic thromboembolic pulmonary hypertension (i.e., high blood pressure in the lungs secondary to blood clots). PDE5 inhibitors have been shown to increase the hypotensive effects of this medicine.

Common (up to 1 in 10 people)

Headache

Flushing

Nasal congestion

Uncommon (up to 1 in 100 people)

Feeling dizzy

Feeling sleepy or very tired

Sinus congestion

Back pain

Hot flush

Feeling out of breath when you exert yourself

Heartbeat changes seen on a heart tracing (ECG)

Increased heart beat

Feeling your heartbeat in your chest (palpitations)

Indigestion, feeling or being sick to your stomach

Blurry vision

Raised liver enzymes

Rare (up to 1 in 1,000 people)

Influenza

Influenza-like illness

Stuffy or runny nose

Hayfever

Congestion in the nose, sinuses or upper part of the airway bringing air into the lungs

Gout 5

Trouble sleeping (insomnia)

Premature ejaculation

Feeling strange

Feeling unable to keep still

Chest pain

Serious chest pain

Fast heart beat

High blood pressure Dry mouth

Stomach ache or heartburn

Pain or discomfort in the lower abdomen

Diarrhoea

Rash

Pain in the lower back or side of lower chest

Muscle aches or pains

Muscle spasms

Frequent urination

Penile disorder

Spontaneous erection without sexual stimulation

Itching in the genital area

Feeling weak or tired all the time

Swelling in the feet or ankles

Increased blood pressure Pink or red urine, blood in the urine

Abnormal extra sound from the heart  

An abnormal blood test result for a prostate test called ‘PSA’

An abnormal blood test result for bilirubin, a chemical produced from the normal breakdown of red blood cells

An abnormal blood test result for creatinine, a chemical excreted in the urine, and a measure of kidney function

Weight gain

Fever

Nosebleed

See other products under erectile dysfunction.

https://www.medicines.org.uk/emc/files/pil.5331.pdf