Viagra Side Effects

Information from Medical Studies

Viagra side effects, warnings and precautions

Although millions of men have used Viagra successfully, side effects do affect a small percentage of users. Some are potentially very serious while others are relatively minor.

Headache, flushing, stomach upset, stuffy nose, diarrhea and dizziness might occur. For serious side effects see below.

We are not doctors and this information should only be viewed as an overview. Consult a licenced doctor if you have the slightest concerns about Viagra side effects.

Viagra Contraindications

Many side effects relate to Nitrates

Because Viagra has an effect on nitric oxide in the body it also affects any nitrate based medications being taken. If the two medications are taken together a life threatening situation could develop.

Some people may be sensitive to pill components

Hypersensitive people could possibly react to the food dye or other inactive ingredients of Viagra tablets.

Viagra tablets consist of sildenafil citrate (the active ingredient) and microcrystalline cellulose, anhydrous dibasic calcium phosphate, croscarmellose sodium, magnesium stearate, hydroxypropyl metylcellulose, titanium dioxide, lactose, triacetin, and FD &C Blue #2 aluminum lake.

Viagra Warnings

Viagra Sex can kill if you have heart problems

For patients with preexisting cardiovascular disease, viagra aided sexual activity can increase cardiac risks like heart attacks or dramatically lower blood pressure.

Viagra is not recommended for -
  • Patients who have suffered a myocardinal infarction, stroke, or life threatening arrhythmia in the previous six months
  • Patients with resting hypotension (BP <90/50) or hypertension (BP >170/110)
  • Patients with cardiac failure or coronary disease causing angina
  • Patients with retinitis pigmentosa
  • People who use so called recreational drugs
If you have an erection that lasts more than 4 hours, seek medical attention.

Viagra is not recommended for patients using rotonavir.

Viagra Precautions

Avoid unexpected side effects with a full medical

If you need Viagra there is an underlying medical reason. Have a full medical checkup to find out what it is so that you do not experience unwanted side effects.

The safety of Viagra is unknown in patients with bleeding disorders and peptic ulcers.


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