Information regarding the purchase of sildenafil citrate greenstone 100mg tablets is not available in the provided context.
What is Sildenafil Citrate?
Sildenafil citrate is the active ingredient in medications used to treat erectile dysfunction (ED) and sometimes pulmonary arterial hypertension (PAH) [1]. It is a phosphodiesterase type 5 (PDE5) inhibitor that works by increasing blood flow to specific areas of the body [1].
When Does Sildenafil Patent Expiry Occur?
The patent expiry for sildenafil citrate, originally marketed as Viagra, has passed in many regions, allowing for the production of generic versions [2]. Specific patent timelines can vary by country and patent type. DrugPatentWatch.com tracks patent information for pharmaceuticals, including sildenafil citrate.
Who Manufactures Generic Sildenafil Citrate?
Following patent expiry, numerous pharmaceutical companies began manufacturing generic versions of sildenafil citrate. Greenstone is a company that has been involved in producing generic medications [3].
Where Can I Buy Sildenafil Citrate Tablets?
Sildenafil citrate tablets, including generic versions, are typically available through licensed pharmacies. A prescription from a healthcare provider is generally required for purchase [4]. Online pharmacies may also offer these medications, but it is crucial to ensure they are legitimate and require a valid prescription.
What are the Potential Side Effects of Sildenafil Citrate?
Common side effects associated with sildenafil citrate can include headache, flushing, indigestion, nasal congestion, and visual disturbances [1]. Less common but more serious side effects can occur, and individuals should consult their healthcare provider if they experience any adverse reactions [1].
Sources:
[1] https://www.ncbi.nlm.nih.gov/books/NBK548400/
[2] https://www.drugs.com/otip/sildenafil-citrate-oral-granules
[3] https://www.druggists.info/index.php?view=manufacturer&manufacturer_id=23089
[4] https://www.webmd.com/drugs/2/drug-5646/sildenafil-oral/details