Viagra might have ruined my life.

[ShootTheGypsy]

About 5 months ago, I happened upon a few pills of generic Sildenafil from India - Viagra, essentially. I didn't have any medical condition that would require me to take them, but I took them anyway just out of curiosity (I took two 50 mg pills). Long story short, the drug lived up to its reputation, but it also had a nasty side effect. About an hour after I had taken the pills, I began to develop a very strange sensation in my frontal lobes (I hesitate to call it a headache, as it didn't feel like any headache I have ever had before). The front of my head - especially behind my right eye - felt tingly and sort of warm. It also felt like there was TONS of pressure pushing out against the inside of my skull, as though my head was about to explode. Also, with the headache came horrible cognitive impairment. I couldn't think clearly at all and felt like I had lost 30 IQ points. The sluggish thinking was so bad initially that I actually thought that I had suffered a stroke or something - it was horrible! Anyways, I have felt like this every day since that time (five months), and I don't know what to do. I now often experience more conventional and painful headaches overlapping the original fuzzy sensation in my frontal lobes; I have to take Ibuprofen every day. Intellectually, I'm really suffering right now. It's significantly more difficult to carry on a conversation, solve complex problems, and think abstractly. My creativity's severely lacking and, as a result, I feel that I've lost much of my personality. In terms of what I've done to solve this problem, I've had an MRI (which didn't reveal any abnormalities) and a visit with a neurologist, who didn't find anything significantly wrong with me.

Does anyone think they know what might be going on? I've considered the possibility that the Viagra triggered some kind of condition relating to chronic headache or chronic migraine, but I'm not convinced that that is what is wrong with me. The bizarre and mysterious tingly feeling in the front of my head scares me and makes me think that something is seriously wrong with my brain.

Any advice would be greatly appreciated.