Since viagra was first available to the public in 1998, the number of the number of people who had positive results in relation to the number of the number of people who had negative experiences is miniscule.
However, there are some things you need to be aware of if you take PDE5 inhibitor meds like viagra, cialis, levitra. The most common side effects of these medications are headaches, skin (especially facial) flushing, upset stomach, blocked nasal passages. With cialis, back pain and muscle aches may occur.
Another fairly common side effect is visual disturbances including blurred vision, bluish vision, sensitivity to light, loss of peripheral vision, increased fluid pressure inside the eye. Some side effects can be more prevalent at larger dose levels, than at lower doses.
Less common side effects include heart and related blood vessel (cardiovascular) problems, strokes, severe low blood pressure, priapism (prolonged erection), sudden hearing loss.
In very rare cases viagra and similar medications can cause death. The most common causes of death associated with these medications result from complications related to:
--- Cardiovascular events like heart attack.
--- Severe hypotension (low blood pressure).
If you take any of the following, consult your doctor before taking viagra os similar products:
--- Protease inhibitors.
--- Cimetidine alpha blockers.
Since viagra and similar medications lower blood pressure, you should not take nitrates (including amyl nitrate) that are often prescribed for chest pain, while taking them.
Viagra, cialis, levitra, should be avoided by people with:
--- Low blood pressure.
--- Decreased liver function.
--- Impaired renal (kidney) function.
--- Hereditary degenerative retinal disorders.
--- Stroke or heart attack in the preceding 6 months.
--- Cardiovascular problems that make sex dangerous.
Like any medication, there are certain people who will have allergic reactions. These can include a rash, breathing problems, diarrhea, hives, itchiness, nausea, racing heart, stomach pain, vomiting, other similar problems.
If you suffer a minor allergic reaction like itchiness, discontinue the medication and on your next visit discuss the matter with your doctor.
A person who suffers a severe allergic reaction like breathing problems should seek medical attention immediately. Severe allergic reactions can result in unconsciousness and/or death.
Not all, but some doctors recommend not eating grapefruit or drinking grapefruit juice when taking medications like viagra, cialis, or levitra. It may reduce the amount of medication that your body can absorb.
They say this can lead to a buildup in your blood, which can increase the potential and severity of side effects associated with these kinds of meds.
Splitting pills is sometimes done to save money or to reduce the dose size. For instance splitting a 100 milligram viagra pill into two 50 milligram halves.
This usually poses no problem, but be aware that the active ingredient is not evenly distributed in the pill. So there is no guarantee that each half contains 50 mg.
These medications will not work for every man with erectile dysfunction, but medical tests and reports from actual consumers report that they work for about 70%-80% of the men with physical reasons for erectile dysfunction.
Men with erectile dysfunction caused by mental factors (like anxiety, depression, fatigue, stress) respond very well as long as there are no underlying physical reasons that are causing problems.
Medications like viagra, cialis, levitra work for about 90% of men with psychological erectile dysfunction. The precautions on this page hold true for viagra, cialis, levitra.
Alcohol can reduce the effectiveness of these medications, and for optimal results should be avoided when viagra, cialis, or levitra are being taken.
High fat foods can increase the time it takes for these drugs to work, this is less so with cialis, and may limit effectiveness. On your first attempt, it might be best on an empty stomach or with a small low-fat meal.
These drugs work by inhibiting a chemical called phosphodiesterase type 5. Because of their mode of action, these drugs are commonly referred to simply as PDE5 inhibitors.
The chemical structure of both viagra and levitra are very similar. The chemical structure of cialis is different from both viagra and levitra.
Cialis effects last about 24-36 hours.
Viagra effects last about 4-6 hours.
Levitra effects last about 4-6 hours.
The major difference between cialis when compared to viagra or levitra is that the effects of cialis last longer, and brand name cialis is usually more expensive per dose.
Some consumers prefer the fact that cialis is longer acting than viagra or levitra. However, there are some men who favor the short duration of viagra and levitra over the longer lasting effects of cialis.
The cost of these medications can be greatly reduced by purchasing generic viagra, generic cialis, or generic levitra instead of the brand name product.
Generic drugs are chemically identical to the brand name product and will produce the same results as long as you observe the same precautions.
For someone interested in making their own decision about what they prefer, you can buy trial packs that contain two or more medications, viagra, cialis, levitra.
The trial packs contain generic versions of the medications, so they are inexpensive. Some of the trial packs contain different forms of the medications.