Health Canada is advising consumers not to use the following product listed in the table below due to concerns about possible side-effects.
Product Description
Viapro is promoted as a dietary supplement for men used for sexual enhancement. The product comes in 375 mg capsules packaged in a 1- or 2-capsule blister pack, or in 10-capsule bottles.
Reason for Warning
The FDA warned consumers not to buy or use Viapro after it was found to contain an unauthorised substance with a structure similar to sildenafil (thio-methisosildenafil). A U.S. nationwide recall for all lots of the product was conducted voluntarily by the manufacturer at the request of the FDA.
Sildenafil is a prescription drug used in the treatment of erectile dysfunction, and should only be used under the supervision of a health care practitioner.
Possible Side-Effects
Unsupervised use of sildenafil by patients with heart disease can result in serious cardiovascular side-effects such as sudden cardiac death, heart attack, stroke, hypertension, chest pain and abnormal heartbeat. Additionally, use of sildenafil may be associated with other side-effects including temporary vision loss, seizure, prolonged erection, headache, flushing, nasal congestion and abdominal pain. Products containing sildenafil should not be used by individuals taking any type of nitrate drug (e.g., nitroglycerine) due to the risk of developing potentially life-threatening low blood pressure.
Product Description
Viapro is promoted as a dietary supplement for men used for sexual enhancement. The product comes in 375 mg capsules packaged in a 1- or 2-capsule blister pack, or in 10-capsule bottles.
Reason for Warning
The FDA warned consumers not to buy or use Viapro after it was found to contain an unauthorised substance with a structure similar to sildenafil (thio-methisosildenafil). A U.S. nationwide recall for all lots of the product was conducted voluntarily by the manufacturer at the request of the FDA.
Sildenafil is a prescription drug used in the treatment of erectile dysfunction, and should only be used under the supervision of a health care practitioner.
Possible Side-Effects
Unsupervised use of sildenafil by patients with heart disease can result in serious cardiovascular side-effects such as sudden cardiac death, heart attack, stroke, hypertension, chest pain and abnormal heartbeat. Additionally, use of sildenafil may be associated with other side-effects including temporary vision loss, seizure, prolonged erection, headache, flushing, nasal congestion and abdominal pain. Products containing sildenafil should not be used by individuals taking any type of nitrate drug (e.g., nitroglycerine) due to the risk of developing potentially life-threatening low blood pressure.
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