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  2. Cialis Side Effects: What to Expect (& How to Avoid Them) - AOL

    www.aol.com/cialis-side-effects-expect-avoid...

    One difference is that Cialis is active in the body for longer than other oral ED meds, meaning its side effects can last longer too. Potential side effects of Cialis include: Headaches

  3. Nitroglycerin - Wikipedia

    en.wikipedia.org/wiki/Nitroglycerin

    Nitroglycerin (NG) (alternative spelling of nitroglycerine), also known as trinitroglycerol (TNG), nitro, glyceryl trinitrate (GTN), or 1,2,3-trinitroxypropane, is a dense, colorless or pale yellow, oily, explosive liquid most commonly produced by nitrating glycerol with white fuming nitric acid under conditions appropriate to the formation of the nitric acid ester.

  4. Nitroglycerin (medication) - Wikipedia

    en.wikipedia.org/wiki/Nitroglycerin_(medication)

    Nitroglycerin, also known as glyceryl trinitrate (GTN), is a vasodilator used for heart failure, high blood pressure (hypertension), anal fissures, painful periods, and to treat and prevent chest pain caused by decreased blood flow to the heart or due to the recreational use of cocaine.

  5. 8 Common Cardiovascular Diseases for Men & How to Prevent Them

    www.aol.com/8-common-cardiovascular-diseases-men...

    Some people don’t experience any symptoms at all. Symptoms common in several types of cardiovascular disease include: Shortness of breath. Chest pain. Fatigue. Dizziness. Fainting. Fever ...

  6. Got Headaches from Viagra or Cialis? Here's Why & How to Treat It

    www.aol.com/got-headaches-viagra-cialis-heres...

    In one study of Viagra published in the journal Urology in 2000, researchers noted that a relatively high dose of Viagra or another ED medication may cause a higher risk of developing headaches ...

  7. Cluster headache - Wikipedia

    en.wikipedia.org/wiki/Cluster_headache

    Cluster headache is a neurological disorder characterized by recurrent severe headaches on one side of the head, typically around the eye(s). [1] There is often accompanying eye watering, nasal congestion, or swelling around the eye on the affected side. [1] These symptoms typically last 15 minutes to 3 hours. [2]

  8. Macropsia - Wikipedia

    en.wikipedia.org/wiki/Macropsia

    Dysmetropsia in one eye, a case of aniseikonia, can present with symptoms such as headaches, asthenopia, reading difficulties, depth perception problems, or double vision. [3] The visual distortion can cause uncorrelated images to stimulate corresponding retinal regions simultaneously impairing fusion of the images.

  9. Retinal migraine - Wikipedia

    en.wikipedia.org/wiki/Retinal_migraine

    Retinal migraine is a retinal disease often accompanied by migraine headache and typically affects only one eye. It is caused by ischaemia or vascular spasm in or behind the affected eye. The terms "retinal migraine" and "ocular migraine" are often confused with " visual migraine ", which is a far-more-common symptom of vision loss, resulting ...