Any erectile dysfunction (ED) treatments that are available at a pharmacy or prescribed by your GP are generally safe for most people. However, like with most medications, there are some risks depending on other health issues you may have.
have had an allergic reaction to tadalafil, sildenafil (Viagra), or any other medicines in the past
are taking medicines called nitrates for chest pain
have a serious heart condition
Have a serious liver condition
have recently had a stroke or a heart attack
have low blood pressure or uncontrolled high blood pressure
have ever lost your vision due to reduced blood flow to the eye
hot flushes, including facial flushing
a colour tinge to your vision or blurred vision
If you get these side effects, you can keep taking the medicine, but it’s important that you tell a doctor or pharmacist if they bother you or do not go away.
Chest pains - if this happens during or after sex, sit up gently and try to relax. Don’t use nitrates to treat your chest pain.
Prolonged and sometimes painful erections - if you have an erection that lasts for more than 4 hours, contact your GP.
A sudden decrease or loss of vision.
A serious skin reaction - symptoms may include fever (a high temperature), severe peeling and swelling of the skin, blistering of the mouth, genitals, and around the eyes.
Gill Stone MRPharmS
Sildenafil Vs tadalafil
Sildenafil and tadalafil are medicines used to treat erection problems, more commonly known as erectile dysfunction (ED). Find out how they differ here.
What erectile dysfunction treatments are there?
Find out about some of the common erectile dysfunction treatment options to see what might work best for you.
Tadalafil: a medicine to treat erection problems and symptoms of an enlarged prostate. nhs.uk. Published September 10, 2019. Accessed December 21, 2021.https://www.nhs.uk/medicines/tadalafil/
Sildenafil (Viagra): medicine for erection problems. nhs.uk. Published August 29, 2018. Accessed December 21, 2021.https://www.nhs.uk/medicines/sildenafil-viagra
Tadalafil 10 mg film-coated tablets - Summary of Product Characteristics (SmPC) - (emc). Accessed December 21, 2021.https://www.medicines.org.uk/emc/product/8636/smpc
Sildenafil 50 mg film-coated tablets - Patient Information Leaflet (PIL) - (emc). Accessed December 29, 2021.https://www.medicines.org.uk/emc/product/7141/pil